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CAWS Publications

Research Articles

Food Animal Well-being

Cheng, H. Cecal microbiota transportation, social stress, and injurious behaviors in chickens – A review - October 2026
Hernandez, RO., Erasmus, MA., Griffith, NA., et al. Preliminary estimates of genetic parameters for bone geometry, strength, and metabolism traits and their relationship with walking ability in turkeys (Meleagris gallopavo) - August 2026
von Seggern, IC., Sutherland, HL., Erasmus, MA., et al. Inhibition of either the sympathetic or parasympathetic nervous system increases tonic immobility duration in laying hens - August 2026
Roge, E., Schober, JM., von Seggern, IC., et al. Decreased brain serotonin activity is consistent with transportation stress in both sexes at different ages while circulating corticosterone levels have both age- and sex-related differences in Pekin ducks - August 2026
Whittle, RH., Fraley, GS., Scanes, C., et al. Impact of water deprivation on broilers divergently selected for water efficiency - July 2026
Wilson, NK., Schober, JM., Oluwagbenga, EM., et al. In ovo dexamethasone elicits an increase in ACTH-stimulated glucocorticoid release but no effects on fear behaviors in Pekin ducks - May 2026
Osório-Santos, Z., Byrd, JL., DeHaven, M., et al. Preferences of dairy cows for different types of grooming brushes - February 2026
von Seggern, IC., Schober, JM., Fraley, GS. Age differences in fear response of laying hens exposed to isolation test in light and dark environments - January 2026
Emmert, B., Robison, CI., Siegmund, T., et al. Evaluation of pulsed alternating wavelength system lighting on the welfare quality and serotonin turnover of commercial laying hens throughout a lay cycle - January 2026
Klassen, KE., Mitchell, JA., Richert, BT., et al. Effect of environmental enrichment access in farrowing crates on sow and piglet behavior and early post-weaning outcomes - January 2026
Neave, HW., Zabel, G., McCoard, S., et al. Improving the welfare of ruminants around weaning: transitioning from milk to a solid diet - November 2025
Neave, HW. Measuring minds: Understanding the mental states of dairy cattle in different management conditions - May 2025
Fotso-Kenmogne, PR., Carneiro, PLS., Silva, DA., et al. Genomic-based genetic parameters for daily milk yield and various lactation persistency traits in American Holstein cattle - May 2025
Misztal, I., Brito, LF., Lourenco, D. Breeding for improved heat tolerance in dairy cattle: Methods, challenges, and progress - May 2025
Bérat, H., Gengler, N., Maskal, JM., et al. Investigating the genetic background of novel behavioral indicators of robotic milking efficiency in North American Holstein cattle - April 2025
Freitas, FAO., Brito, LF., Silva-Vignato, B., et al. Expression Quantitative Trait Loci (eQTL) associated with performance traits, blood biochemical parameters, and cytokine profile in pigs - March 2025
Abraham, ME., Serpa, P., Fraley, GS., et al. Age effects on measurements of hypothalamic-pituitary-adrenal axis activation in laying hens - March 2025
Whittle, RH., Karcher, DM., Erasmus, MA., et al. Effects of genetic strain, stocking density, and age on broiler behavior - February 2025
Pinto, LFB., Lewis, RM., Rocha, AO., et al. Genome-wide association and functional annotation analyses reveal candidate genes and pathways associated with various ewe longevity indicators in U.S. Katahdin sheep - July 2025
Oluwagbenga, E., Wesley, S., Rocheford, E., et al. High-carotenoid orange corn diet altered serotonin and dopamine activity in the brain while heat stress altered total antioxidant capacity in a sex dependent manner in Pekin ducks - September 2025
Oluwagbenga, EM., Rocheford, E., Rocheford, T., et al. Parental intake of high-carotenoid orange corn diet alleviated glucocorticoid and fear response but not growth in F1 Pekin ducks - September 2025
Schober, JM., Ayres, G., Chambers, G., et al. Effects of auditory enrichment on Pekin duck production and welfare - September 2025
Oluwagbenga, E., Rocheford, E., Rocheford, T., et al. Orange corn diet decreased serum corticosterone and improved gait, egg production, egg quality and fertility of breeder Pekin ducks exposed to heat stress - August 2025
Klassen, KE., Pempek, JA., Richert, BT., et al. Impact of farrowing crate enrichment strategies on the welfare and performance of sows, suckling piglets, and post-weaned piglets - July 2025
Araujo, AC., Johnson, JS., Graham, JR., et al. Transgenerational epigenetic heritability for growth, body composition, and reproductive traits in Landrace pigs - January 2025
de Carvalho, FE., Ferraz, JB., Pedrosa, VB., et al. Genetic parameters and genome-wide association studies including the X chromosome for various reproduction and semen quality traits in Nellore cattle - January 2025
Santana, ML., Bignardi, AB., Rodrigues, GRD., et al. Genotype-by-environment interaction for yearling weight of Nellore cattle in pasture and feedlot conditions using a “double” genomic reaction norm model - January 2025
Pinto, LFB., Lewis, RM., Rocha, AO., et al. Estimation of genetic parameters and genetic trends for ewe longevity indicators in U.S. Katahdin sheep - January 2025
Byrd, MH., Wen, H., Freitas, PHF., et al. Phenotypic assessment of F0 generation lactating sows genomically selected for heat stress tolerance - January 2025
Silva, MRG., Veroneze, R., Marques, DBD., et al. A meta-analysis of genome-wide association studies to identify candidate genes associated with feed efficiency traits in pigs - January 2025
Rodrigues, GRD., Brito, LF., Mota, LFM., et al. Genome-wide association studies and functional annotation of pre-weaning calf mortality and reproductive traits in Nellore cattle from experimental selection lines - December 2024
Neave, HW., Rault, JL., Jensen, EH., et al. Salivary oxytocin response of dairy cows to nursing and permanent separation from their calves, and the influence of the cow-calf bond - December 2024
Pinto, LFB., Lewis, RM., Rocha, AO., et al. Factors affecting the length of productive life in U.S. Katahdin ewes - November 2024
Wen, H., Johnson, JS., Mulim, HA., et al. Genomic regions and biological mechanisms underlying climatic resilience traits derived from automatically-recorded vaginal temperature in lactating sows under heat stress conditions - November 2024
Setser, MMW., Neave, HW., Costa, JHC., et al. Are you ready for a challenge? Personality traits influence dairy calves' responses to disease, pain, and nutritional challenges - November 2024
Shi, R., Brito, LF., Li, S., et al. Genomic prediction and validation strategies for reproductive traits in Holstein cattle across different Chinese regions and climatic conditions - October 2024
Sousa, LPB., Pinto, LFB., Cruz, VAR., et al. Genome-wide association and functional genomic analyses for body conformation traits in North American Holstein cattle - October 2024
Neto, JBS., Mota, LFM., Londoño-Gil, M., et al. Genotype-by-environment interactions in beef and dairy cattle populations: A review of methodologies and perspectives on research and applications - October 2024
Aponte, PFC., Carneiro, PLS., Araujo, AC., et al. Investigating the genomic background of calving-related traits in Canadian Jersey cattle - August 2024
Graham, JR., Taghipoor, M., Gloria, LS., et al. Trait development and genetic parameters of resilience indicators based on variability in milk consumption recorded by automated milk feeders in North American Holstein calves - August 2024
Fu, Y., Cheng, H. The Influence of Cecal Microbiota Transplantation on Chicken Injurious Behavior: Perspective in Human Neuropsychiatric Research - August 2024
Kroger, CA., Lee, W., Fraley, GS., et al. Genetic parameters for egg quality traits in Pekin ducks - August 2024
Silva, EFP., Gaia, RC., Mulim, HA., et al. Genome-Wide Association Study of Conformation Traits in Brazilian Holstein Cattle - August 2024
Abraham, ME., Robison, CI., Serpa, PBS., et al. Cage-free pullets minimally affected by stocking density stressors - May 2024
Wen, H., Johnson, JS., Gloria, LS., et al. Genetic parameters for novel climatic resilience indicators derived from automatically-recorded vaginal temperature in lactating sows under heat stress conditions — June 2024
Pinto, LFB., Medrado, BD., Pedrosa, VB., et al. A systematic review with meta-analysis of heritability estimates for temperament-related traits in beef and dairy cattle populations - May 2024
Medeiros, GC., Ferraz, JBS., Pedrosa, VB., et al. Genetic parameters for udder conformation traits derived from Cartesian coordinates generated by robotic milking systems in North American Holstein cattle - May 2024
de Oliveira, LF., Veroneze, R., Sousa, KRS., et al. Genomic regions, candidate genes, and pleiotropic variants associated with physiological and anatomical indicators of heat stress response in lactating sows - May 2024
Mulim, HA., Hernandez, RO., Vanderhout, RJ., et al. Genetic background of walking ability and its relationship with leg defects, mortality, and performance traits in turkeys (Meleagris gallopavo) - May 2024
Rasmussen, SN., Wurtz, KE., Erasmus, MA., et al. Animal-based methods for the assessment of broiler chicken welfare in organic and conventional production systems - May 2024
Rasmussen, SN., Yoder, H., Erasmus, MA., et al. Influence of space availability on measures of fear in conventional broiler chickens - April 2024
Schober, JM., Merritt, J., Ulrey, M., et al. Vocalizations of the Pekin duck (Anas platyrhynchos domesticus): How stimuli, sex, and social groups affect their vocal repertoire - April 2024
Dennis, M., Dong, Y., Guo, Y., et al. Environmental enrichment has minimal impact on fresh and processed meat quality of turkeys - March 2024
Pedrosa, VB., Chen, S., Gloria, LS., et al. Machine learning methods for genomic prediction of cow behavioral traits measured by automatic milking systems in North American Holstein cattle - February 2024
Fu, Y., Hu, J., Zhang, H., et al. The Impact of Early-Life Cecal Microbiota Transplantation on Social Stress and Injurious Behaviors in Egg-Laying Chickens - February 2024
Bergman, MM., Schober, JM., Oluwagbenga, EM., et al. Preening cups in duck housing are associated with an increase in central dopamine activity that suggests a negative affective state - February 2024
Benfica, LF., Brito, LF., do Bem, RD., et al. Genome-wide association study between copy number variation and feeding behavior, feed efficiency, and growth traits in Nellore cattle - January 2024
Cardoso, MGR., Bignardi, AB., Pereira, RJ., et al. Genotype-by-gestational thermal environment interaction and its impact on the future performance of tropical composite beef cattle offspring - January 2024
Freitas, FAO., Brito, LF., Fanalli, SL., et al. Identification of eQTLs using different sets of single nucleotide polymorphisms associated with carcass and body composition traits in pigs - January 2024
Wen, H., Johnson, JS., Freitas, PHF., et al. Longitudinal genomic analyses of automatically-recorded vaginal temperature in lactating sows under heat stress conditions based on random regression models - December 2023
São José, GLF., Nuñez, AJC., Gomes, JD., et al. Production and meat quality traits of genetically lean immunocastrated pigs naturally divergent for loin tenderness - December 2023
de Oliveira, LF., Brito, LF., Marques, DBD., et al. Investigating the impact of non-additive genetic effects in the estimation of variance components and genomic predictions for heat tolerance and performance traits in crossbred and purebred pig populations - December 2023
Maskal, JM., Pedrosa, VB., de Oliveira, HR., et al. A comprehensive meta-analysis of genetic parameters for resilience and productivity indicator traits in Holstein cattle - December 2023
Jiang, S., Fu, Y., Cheng, H. Daylight exposure and circadian clocks in broilers: part I - photoperiod effect on broiler behavior, skeletal health, and fear response - December 2023
Sousa, LPB., Pinto, LFB., Cruz, VAR., et al. Genome-wide association and functional genomic analyses for various hoof health traits in North American Holstein cattle - November 2023.
Riaz, MF., Bergman, M., Schober, J., et al. Red-green or full-spectrum white LEDs have no effects on incubation or post-hatch production variables in broilers - October 2023
Green, HE., Oliveira, HR., Alvarenga, AB., et al. Genomic background of biotypes related to growth, carcass and meat quality traits in Duroc pigs based on principal component analysis - October 2023
Setser, MMW., Neave, HW., Costa, JHC. The history, implementation, and application of personality tests in livestock animals and their links to performance - October 2023
Weimer, S., Fraley, GS., Orlowski, S., et al. Editorial: Environmental impacts in domestic birds: towards homeostasis, efficiency and well-being - September 2023
Schober, JM., Merritt, J., Swanson, M., et al. Preening cups increase apparent wet preening behaviors, but have no impact on other behaviors, body condition, growth, or body morphometrics of grow-out Pekin ducks - September 2023
Oluwagbenga, EM. & Fraley, GS. Heat stress and poultry production: a comprehensive review - September 2023
Freitas, PHF., Johnson, JS., Wen, H., et al. Genetic parameters for automatically-measured vaginal temperature, respiration efficiency, and other thermotolerance indicators measured on lactating sows under heat stress conditions - September 2023
Lázaro, SF., Tonhati, H., de Oliveira, HR., et al. Genetic parameters and genome-wide association studies for mozzarella and milk production traits, lactation length, and lactation persistency in Murrah buffaloes - September 2023
de Souza, TC., Pinto, LFB., da Cruz, VAR., et al. A comprehensive characterization of longevity and culling reasons in Canadian Holstein cattle based on various systematic factors — August 2023
Hu, L., Brito, LF., Luo, H., et al. Differential Responses of Physiological Parameters, Production Traits, and Blood Metabolic Profiling between First- and Second-Parity Holstein Cows in the Comparison of Spring versus Summer Seasons - July 2023
Neustaeter, A., Brito, LF., Hanna, WJB., et al. Investigating the Genetic Background of Spastic Syndrome in North American Holstein Cattle Based on Heritability, Genome-Wide Association, and Functional Genomic Analyses - July 2023
Markland, L., Johnson, JS, Richert, BT., et al. Investigating the effects of jute nesting material and enriched piglet mats on sow welfare and piglet survival - July 2023
Fu, J., Hu, J., Cheng, H. Research Note: Probiotic, Bacillus subtilis, alleviates neuroinflammation in the hippocampus via the gut microbiota-brain axis in heat-stressed chickens - June 2023
Fu, Y., Hu, J., Erasmus, M., et al. Cecal microbiota transplantation: unique influence of cecal microbiota from divergently selected inbred donor lines on cecal microbial profile, serotonergic activity, and aggressive behavior of recipient chickens - May 2023
Oluwagbenga, EM., Tetel, V., Schober, J., et al. Chronic heat stress part 2: increased stress and fear responses in f1 Pekin Ducks raised from parents that experienced heat stress - May 2023
Lyte, JM., Lyte, M., Daniels, KM., et al. Catecholamine concentrations in duck eggs are impacted by hen exposure to heat stress - February 2023
Garcia, JS., Jones, DR., Gast, RK., et al. Environmental sampling methods’ influence on detection of pathogens in cage-free aviary housing - February 2023
Ni, JQ., Erasmus, MA., Jones, DR., et al. Effectiveness and characteristics of a new technology to reduce ammonia, carbon dioxide, and particulate matter pollution in poultry production with artificial turf floor - February 2023
Michalsky, E., Setser, MMW., Mazon, G., et al. Personality of individually housed dairy-beef crossbred calves is related to performance and behavior - January 2023
Campbell, DLM., Belson, S., Erasmus, MA., et al. Behavior and welfare impacts of water provision via misting in commercial Pekin ducks - December 2022
Jarrett, RA., Erasmus, MA., Murillo, AC., et al. Laying hen production and welfare in a cage-free setting is impacted by the northern fowl mite - December 2022
Tonissen, S., Tetel, V., Fraley, GS. Transportation stress increases Fos immunoreactivity in the paraventricular nucleus, but not in the nucleus of the hippocampal commissure in the Pekin duck, Anas platyrhynchos domesticus - November 2022
Oluwagbenga, EM., Tetel, V., Schober, J., et al. Chronic heat stress part 1: Decrease in egg quality, increase in cortisol levels in egg albumen, and reduction in fertility of breeder pekin ducks - November 2022
Welk, A., Neave, HW., Spitzer HB., et al. Effects of intake-based weaning and forage type on feeding behavior and growth of dairy calves fed by automated feeders - November 2022
Cellier, M., Nielsen, BL., Duvaux-Ponter, C., et al. Browse or browsing: Investigating goat preferences for feeding posture, feeding height and feed type - November 2022
Neave, HW., Schütz, KE., Dalley, DE. Behavior of dairy cows managed outdoors in winter: Effects of weather and paddock soil conditions - October 2022
Mohammed, A., Tomaszewska, E., Hu, J., et al. Effects of a synbiotic as an antibiotic alternative on behavior, production performance, cecal microbial ecology, and jejunal histomorphology of broiler chickens under heat stress - September 2022
Rasmussen, SN., Erasmus, MA., Riber, AB. The relationships between age, fear responses, and walking ability of broiler chickens - August 2022
Neave, HW., Zobel, G., Thoday, H., et al. Toward on-farm measurement of personality traits and their relationships to behavior and productivity of grazing dairy cattle - July 2022
Neave, HW., Zobel, G., Thoday H., et al. Toward on-farm measurement of personality traits and their relationships to behavior and productivity of grazing dairy cattle - July 2022
Davis, M., Stevenson, R., Ford, E., et al. Heat stress and an immune challenge influence turkey meat quality, but conspecific-directed pecking behavior does not - July 2022
Weimer, SL., Zuelly, S., Davis, M., et al. Differences in carcass composition and meat quality of conventional and slow-growing broiler chickens raised at 2 stocking densities - June 2022
Huang, X. & Cheng, H. Perspective: Chicken Models for Studying the Ontogenetic Origin of Neuropsychiatric Disorders - May 2022
Hu, J., Mohammed, AA., Murugesan, GR., et al. Effect of a synbiotic supplement as an antibiotic alternative on broiler skeletal, physiological, and oxidative parameters under heat stress - April 2022
Huang, X., Feng, Z., Cheng, H. Perspective: Gestational Tryptophan Fluctuation Altering Neuroembryogenesis and Psychosocial Development - April 2022
Tetel, V., Tonissen, S., Fraley, GS. Sex difference in changes in heterophil to lymphocyte ratios in response to acute exposure of both corticosterone and cortisol in the Pekin duck - April 2022
Jiang, S., Hu, J., Cheng, H. The Impact of Probiotic Bacillus subtilis on Injurious Behavior in Laying Hens - March 2022
Huang, X., Hu, J., Peng, H., et al. Embryonic Exposure to Tryptophan Yields Bullying Victimization via Reprogramming the Microbiota-Gut-Brain Axis in a Chicken Model - February 2022
Whalin, L., Neave, HW., Johnsen, JF., et al. The influence of personality and weaning method on early feeding behavior and growth of Norwegian Red calves - February 2022
Setser, MMW., Neave, HW., Vanzant, E., et al. Development and utilization of an isolation box test to characterize personality traits of dairy calves - February 2022
Neave, HW., Sumner, CL., Henwood, RJT., et al. Dairy farmers' perspectives on providing cow-calf contact in the pasture-based systems of New Zealand - January 2022
Hu, J., Xiong, Y., Gates, RS., et al. Perches as cooling devices for reducing heat stress in caged laying hens: a review - October 2021
Marks, D., LaRose, S., Brady, C., et al. Integrated STEM and poultry science curriculum to increase agricultural literacy - October 2021
Tetel, V., Van Wyk, B., Fraley, GS. Sex differences in glucocorticoid responses to shipping stress in Pekin ducks - October 2021
Neave, HW., Edwards, JP., Thoday, H., et al. Do walking distance and time away from the paddock influence daily behaviour patterns and milk yield of grazing dairy cows? - October 2021
Hu, J. & Cheng, H. Warm perches: a novel approach for reducing cold stress effect on production, plasma hormones, and immunity in laying hens - August 2021
Barabas, AJ., Lucas, JR., Erasmus, MA., et al. Who's the boss? Assessing convergent validity of aggression based dominance measures in male laboratory mice, Mus musculus - July 2021
Barabas, AJ., Soini, HA., Novotny, MV., et al. Compounds from plantar foot sweat, nesting material, and urine show strain patterns associated with agonistic and affiliative behaviors in group housed male mice, Mus musculus - May 2021
Chen, X., Shafer, DJ., Sifri, M., et al. Centennial review: History and husbandry recommendations for raising Pekin Ducks in research or commercial production - May 2021
Ni, JQ., Erasmus, MA., Croney, CC., et al. A critical review of advancement in scientific research on food animal welfare-related air pollution - April 2021
Croney, C., Erasmus, M., Ni, JQ. A critical review of advancement in scientific research on food animal welfare-related air pollution - April 2021
Erasmus, M. & Rollins, J. Visitors’ self-reported knowledge and attitudes about an animal-free exhibit on animal welfare - February 2021
Mohammed, A., Mahmoud, M., Murugesan, R., et al. Effect of a synbiotic supplement on fear response and memory assessment of broiler chickens subjected to heat stress - February 2021
Neave, HW., Webster, JR., Zobel, G. Anticipatory behaviour as an indicator of the welfare of dairy calves in different housing environments - January 2021
Doong, Y., Karcher, DM., Erasmus, MA. Self- and conspecific-directed pecking behavior of commercial Pekin ducks - January 2021
Weimer, SL., Mauromoustakos, A., Karcher, DM., et al. Differences in performance, body conformation, and welfare of conventional and slow-growing broiler chickens raised at 2 stocking densities - September 2020
Brito, L., Schinckel, A. Large-Scale Phenotyping of Livestock Welfare in Commercial Production Systems: A New Frontier in Animal Breeding - July 2020
Costa, JHC., Neave, HW., Weary, DM., et al. Use of a food neophobia test to characterize personality traits of dairy calves - April 2020
Neave, HW., Costa, JHC., Weary, DM., et al. Long-term consistency of personality traits of cattle - February 2020
Bentley, A., Porter, L., Van Blois, L., et al. A feed restriction milieu for Pekin meat ducks that may improve gait characteristics but also affects gut leakiness - January 2020
Croney, C., Muir, W., Ni, JQ. et al. An Overview of Engineering Approaches to Improving Agricultural Animal Welfare - Feb 2018
Cheng, H. Behavioral changes and feathering score in heat stressed broiler chickens fed diets containing different levels of propolis - March 2015
Eicher, S. The influence of dietary zinc source and coccidial vaccine exposure on intracellular zinc homeostasis and immune status in broiler chickens - July 2015
Lay, D. Comparing the effects of rapid and gradual cooling following acute hyperthermia on body temperature and inflammatory response - April 2015
Lay, D. Nitrous oxide as a humane method for piglet euthanasia: Behavior and electroencephalography (EEG) - June 2015
Ni, J-Q. Research and demonstration to improve air quality for the U.S. animal feeding operations in the 21st century - A critical review - May 2015
Ajuwon, K. Effects of dietary protein and rapidly fermentable carbohydrate contents on bacterial metabolites and intestinal microbiota composition in weaning pigs - March 2015

Non-food Animal Well-being

Burron, SR., Croney, CC., Seymour DL., et al. Investigating targeted and untargeted approaches to biomarker discovery in fearful, adult dogs - August 2026
Klutzke, JB., Moore, GE., Curry, ES., et al. Objective assessment of a hearing protection device for canines - June 2026
Ogata, N., Heck, AL., Weng, H. Comparative mediation analysis of dog and cat ownership and perceived stress - June 2026
Grier, E., Ogata, N., Weng, H. A survey of environmental enrichment practices from guardians of companion parrots - June 2026
Mancini, C., Taylor-O’Connor, J., Renguette, C., et al. Towards interface design for parrot-human communication: investigating parrot selections of speech board representations - April 2026
MacInnis, EM., Ogata, N., Nieforth, LO. A dogs-at-work program in a veterinary college: Promoting workplace wellbeing and resilience - March 2026
Darbyshire, A., Beninson, J., Dyson, MC., et al. Social housing of postoperative animals to support animal welfare - January 2026
Van Buiten, H., Turner, C., Gandenberger, J., et al. Can pets prevent suicide? The impact of companion animals on suicidality: scoping review and clinical recommendations - November 2025
Weng, H. & Ogata, N. Development of an assessment tool for behavioral and cognitive changes in aging cats - November 2025
Stahl, SK., Kinkus-Yatcilla, J., Nieforth, LO. Positive, negative, and neutral outcomes of pets in the workplace: A systematic review - October 2025
Vincent, A., Nieforth, LO., Johnson, A. Strides towards making equine-assisted services an accessible recreational therapy through inclusive helmet design - September 2025
Mugenda, L., Shreyer, T., Croney, CC. Advancing canine welfare assessment in kennels: evaluating the validity of Field Instantaneous Dog Observation (FIDO) scoring in commercial breeding kennels - July 2025
Weng, H., Morrison, JA., Topdjian, K., et al. Real-world data on behavioral practices for dogs in primary care - July 2025
Schieler, B., Ogata, N., Nieforth, LO. Demands and resources of a long-standing bring-your-dog-to-work program: A constant comparative analysis - June 2025
Stella, J., Gomes, P., Shreyer, T., et al. A cross-sectional study to investigate associations between flooring substrates and prevalence of limb and paw abnormalities of dogs housed in commercial breeding facilities - February 2025
John, KD., Vincent, AL., Nieforth, LO., et al. Anthropomorphizing with critical reflexivity: the danger and potential of anthropomorphizing in equine-facilitated learning and psychotherapy - February 2025
Romaniuk, A.C., Barnard, S., Shreyer, T., et al. Effects of dam fear and stress on metrics of puppy welfare in commercial breeding kennels - January 2025
Bhowmik, N., Cook, S.R., Croney, C., et al. Heritability and genome-wide association study of dog behavioral phenotypes in a commercial breeding cohort - December 2024
Nieforth, LO. Equine-assisted service sessions in crossties, arenas and 10-acre pastures: Does it matter? - October 2024
Delgado, MM., Stella, JL., Croney, CC., et al. Making fetch happen: Prevalence and characteristics of fetching behavior in owned domestic cats (Felis catus) and dogs (Canis familiaris) - September 2024
Nieforth, LO. & Leighton, SC. Animal-assisted interventions for military families: a systematic review - May 2024
Nieforth, LO. & Kaufman, S. Practitioner experiences of the death of a horse in an equine-assisted services program - April 2024
Stahl, A., Barnard, S., Diana, A., et al. Attachment style and social behavior in dogs from commercial breeding kennels - April 2024
Nieforth, LO., Guerin, NA., Stehli, A., et al. Observation of human-animal interaction for research (OHAIRE) behavior coding in a randomized control trial of children with attention-deficit hyperactivity disorder (ADHD) and a canine-assisted intervention - February 2024
Nieforth, LO., Rodriguez, KE., Zhuang, R., et al. The cortisol awakening response in a three-month clinical trial of service dogs for veterans with posttraumatic stress disorder - January 2024
Ekenstedt, KJ., Minor, KM., Shelton, GD., et al. A SACS deletion variant in Great Pyrenees dogs causes autosomal recessive neuronal degeneration - November 2023
Clark, JA., Anderson, H., Donner, J., et al. Global Frequency Analyses of Canine Progressive Rod-Cone Degeneration–Progressive Retinal Atrophy and Collie Eye Anomaly Using Commercial Genetic Testing Data – November 2023
Weng, H. & Ogata, N. The impact of COVID-19 pandemic on pet behavior and human-animal interaction: a longitudinal survey-based study in the United States - November 2023
Nieforth, LO., Leighton, SC., Schwichtenberg, AJ., et al. A preliminary analysis of psychiatric service dog placements and sleep patterns of partners of veterans with posttraumatic stress disorder - October 2023
Udell, M., Delgado, M., Ekenstedt, K., et al. CATastrophic Myths Part 2: Common misconceptions about the environmental, nutritional, and genetic management of domestic cats and their welfare implications - September 2023
Croney, CC., Udell, M., Delgado, M., et al. CATastrophic Myths Part 1: Common misconceptions about the social behavior of domestic cats and implications for their health, welfare, and management - September 2023
Dantas, LMS. & Ogata, N. Veterinary Psychopharmacology - August 2023
Leighton, SC., Rodriguez, KE., Nieforth, LO., et al. Service dogs for autistic children and family system
functioning: A constant comparative analysis – July 2023
Barnard, S., Flint, H., Diana, A., et al. Management and behavioral factors associated with rehoming outcomes of dogs retired from commercial breeding kennels - March 2023
Ogata, N., Weng, H., McV. Messam, LL. Temporal patterns of owner-pet relationship, stress, and loneliness during the COVID-19 pandemic, and the effect of pet ownership on mental health: A longitudinal survey - April 2023
Nieforth, LO., Miller, EA., MacDermid Wadsworth et al. Survey of international academic centers and institutes focused on human-animal bond: Scope and landscape in 2021 - December 2022
Leighton, SC., Nieforth, LO., Griffin, TC., et al. Researcher-practitioner interaction: Collaboration to advance the field of human-animal interaction - December 2022
Boone, G., Romaniuk, A.C., Barnard, S., et al. The effect of early neurological stimulation on puppy welfare in commercial breeding kennels - December 2022
Romaniuk, A.C., Diana, A., Barnard, S., et al. The effect of transportation on puppy welfare from commercial breeding kennels to a distributor - December 2022
Barabas, AJ., Darbyshire, AK., Schlegel, SL., et al. Evaluation of ambient sound, vibration, and light in rodent housing rooms - November 2022
Romaniuk, A.C., Barnard, S., Weller, J.E., et al. Dam (Canis familiaris) welfare throughout the peri-parturient period in commercial breeding kennels - October 2022
Leighton, SL., Nieforth, LO., O’Haire, ME. Assistance dogs for military veterans with PTSD: A systematic review, meta-analysis, and meta-synthesis - September 2022
Yu, En., Darbyshire, AK., Himmel, LE. Confirmation of pathogen 'burnout' in mouse colonies with previous evidence of infection with parvovirus and rotavirus - September 2022
Howell, TJ., Nieforth, L., Thomas-Pino, C., et al. Defining commonly used terms for animals working in support roles for vulnerable people - August 2022
Stollar, OO., Moore, GE., Mukhopadhyay, A., et al. Effects of a single dose of orally administered gabapentin in dogs during a veterinary visit: a double-blinded, placebo-controlled study - June 2022
Nieforth, LO., Miller, E., MacDermid Wadsworth et al. Posttraumatic stress disorder service dogs and the wellbeing of veteran families - May 2022
Nieforth, LO., Abdul Wahab, AH., Sabbaghi, AH., et al. Quantifying the emotional experiences of partners of veterans with PTSD service dogs using ecological momentary assessment - April 2022
Walker, SL., Weng, H., Ogata, N., et al. Do canine and human personality assessments predict successful adoptions? - February 2022
Kooriyama, T. & Ogata, N. Salivary stress markers in dogs: Potential markers of acute stress - October 2021
Kooriyama, T., Mukhopadhyay, A., Moore, GE., et al. Salivary Chromogranin A (CGA) response to the noradrenaline transporter blocker atomoxetine in dogs - September 2021
Nieforth, LO., Schwichtenberg, AJ., O’Haire, ME. Animal assisted interventions for autism spectrum disorder: A systematic review of the literature from 2016-2020 - September 2021
Barnard, S., Flint, H., Shreyer, T., et al. Evaluation of an easy-to-use protocol for assessing behaviors of dogs retiring from commercial breeding kennels - August 2021
Nieforth, LO., Craig, EA., MacDermid Wadsworth, S., et al. PTSD service dogs foster resilience among veterans and military families - July 2021
Pritchett, M., Barnard, S., Croney, CC. Socialization in commercial breeding kennels: the use of novel stimuli to measure social and non-social fear in dogs - March 2021
Croney, CC & Boysen, ST. Acquisition of a joystick-operated video task by pigs (Sus scrofa) - February 2021
Ni, J-Q., Erasmus, MA., Croney, CC., et al. A critical review of advancement in scientific research on food animal welfare-related air pollution - November 2020
Nieforth, LO. & O’Haire, ME. The role of pets in managing uncertainty from COVID-19 - August 2020
Rodriguez, KE., LaFollette, MR., Hediger, K., et al. Defining the PTSD service dog intervention: perceived importance, usage, and symptom specificity of psychiatric service dogs for military veterans - July 2020
Brady, C., O'Haire, M., Gaskill, B. Changing Human Behavior to Improve Animal Welfare: A Longitudinal Investigation of Training Laboratory Animal Personnel about Heterospecific Play or "Rat Tickling" - June 2020
Dreger, LD., Anderson, H., Donner, J., et al. Atypical Genotypes for Canine Agouti Signaling Protein Suggest Novel Chromosomal Rearrangement – April 2020
Brady, C., O'Haire, M., Gaskill, B. Laboratory Animal Welfare Meets Human Welfare: A Cross-Sectional Study of Professional Quality of Life, Including Compassion Fatigue in Laboratory Animal Personnel - March 2020
Darbyshire, A., Oliver, KH., Mulrooney, TL., et al. Effects of anesthesia and euthanasia solutions on the histologic quality of brine shrimp (Artemia franciscana) - June 2018
Ajuwon, K. Inhibition of MMP-13 prevents diet-induced obesity in mice and suppresses adipogenesis in 3T3-L1 preadipocytes - July 2015
Gaskill, B. The effect of cage space on behavior and reproduction in Crl:CD1(lcr) and C57BL/6NCrl laboratory mice - May 2015
Gaskill, B. Lack of Negative Effects on Syrian Hamsters and Mongolian Gerbils Housed in the Same Secondary Enclosure - May 2015
Muir, W. Mate competition and evolutionary outcomes in genetically modified zebrafish (Danio rerio) - May 2015
Ogata, N. Dogs, physical activity, and walking (Dogs PAW): acceptability and feasibility of a pilot physical activity intervention - May 2015
Ogata, N. Exploring future possibilities for studies in canine anxiety disorders - Aug 2015
Weng, H. Effect of a Limited Iodine Diet on Iodine Uptake by Thyroid Glands in Hyperthyroid Cats - Aug 2015
Widmar, N. Chinese aquaculture farmers’ value system and on-farm decision making - Apr 2015
Widmar, NJO. Sensitivity analysis to aid shelter management decisions: how does altering expenditure affect operational viability? - March 2015
Thogerson, CM., Brady, CM., Howard, RD., et al. Winning the Genetic Lottery: Biasing Birth Sex Ratio Results in More Grandchildren - July 2013

Public interest/social/economic issues relative to animal welfare

Nieforth, LO., MacInnis, EM. Educator perspectives on the integration of visiting dogs into schools - March 2026
Mugabo, A., Ogar, E., Wang, H., et al. Comparative analysis of agricultural extension models in the United States, Rwanda, and Nigeria: Innovations in capacity building, technology integration, and educator preparation - April 2026
McGreevy, PD., Mellor, DJ., Freire, R., et al. COMPASS Guidelines for Conducting Welfare-Focused Research into Behaviour Modification of Animals - January 2026
Pasteur, K., Widmar, NJO., Tran, CV., et al. S. residents’ self-reported access to veterinary care and implications for care-seeking decisions - November 2025
Bir, C., Pasteur, K., Widmar, NJO., et al. Pet acquisition trends and veterinary care access in the US - July 2025
Croney, CC., Applebaum, JW., Delgado, M., et al. How does access to veterinary care relate to animal welfare? - July 2025
Pasteur, K., Diana, A., Yatcilla, J.K., et al. Access to veterinary care: evaluating working definitions, barriers, and implications for animal welfare - January 2024
Croney, CC& Swanson, J. Is meat eating morally defensible? Contemporary ethical considerations - April 2023
Ortez, M., Widmar, NJO., Thompson, NM., et al. What do U.S. consumers care about regarding beef and its supply chain? - May 2022
Marks, D., LaRose, S., Brady, C., et al. Integrated STEM and poultry science curriculum to increase agricultural literacy - October 2021
Widmar, NJO., Bir, C., Wolf, C.A., et al. #Eggs: Social and online media derived perceptions of egg laying hen housing - August 2020
Lofgren, EA., Rice, BMG., Brady, C Exploring Perceptions of Equine Welfare Scenarios Using a Positive Approach - July 2020
Widmar, NJO., Bir, C., Slipchenko, N., et al. Online procurement of pet supplies and willingness to pay for veterinary telemedicine - June 2020
Bir, C., Delgado, MS., Widmar, NJO. S. consumer demand for traditional and greek yogurt attributes, including livestock management attributes - June 2020
Bir, C., Widmar, NJO., Ortez, M., et al. Familiarity and use of veterinary services by us resident dog and cat owners - March 2020
Ortez, M., Bir, C., Widmar, NJO., et al. Perceptions of prominent animal welfare and veterinary care organizations in the United States - March 2020
Heleski, C., Stowe, CJ., Fiedler, J., et al. Thoroughbred Racehorse Welfare through the Lens of 'Social License to Operate—With an Emphasis on a U.S. Perspective - February 2020
Morgan, CJ. Widmar, NJO, Wilcoxc, MD, & Croney, CC.Perceptions of Agriculture and Food Corporate Social Responsibility, Journal of Food Products Marketing - 2018
Voigt, MA., Hiney, K., Richardson, JC., et al. Show Horse Welfare: Horse Show Competitors' Understanding, Awareness, and Perceptions of Equine Welfare - March 2016
Voigt, M., Hiney, K., Croney, C., et al. Show Horse Welfare: The Viewpoints of Judges, Stewards, and Show Managers - January 2016
Croney, C. Words Matter: Implications of Semantics and Imagery in Framing Animal-Welfare Issues - Fall 2015
Widmar, N. Hunters’ perspectives on animal welfare and meat demand: an application of maximum difference and choice experiment methods - July 2015
Voigt, M., Russell, M., Hiney, K., et al. Show Horse Welfare: Evaluating Stock-Type Show Horse Industry Legitimacy - May 2015

Interface between human-animal bond and animal welfare

Beck, A., Moore, G., & Widmar, N. Survey of US Veterinary Students on Communicating with Limited English Proficient Spanish-Speaking Pet Owners - Fall 2015
O'Haire, M. Animal-Assisted Intervention for trauma: a systematic literature review - Aug 2015
O’Haire, ME, Beck, AM. Animals may act as social buffers: skin conductance arousal in children with autism spectrum disorder in a social context - April 2015
Beck, AM. The biology of the human-animal bond - Dec 2014
Beck, AM. The human-animal bond and domestication: Through the ages…animals in our lives - Dec 2014

CAWS Executive White Papers

Documenting Online and Social Media Discussions of Animal Welfare - May 2025
Exploring demand for attributes of processed turkey products: turkey bacon and lunchmeat - July 2020
Public awareness of the roles and welfare of veterinarians - May 2020
Public Perceptions of Dog Acquisition: Sources, Rationales and Expenditures - June 2016
Public Perceptions of Dog Welfare, Sourcing and Breeding Regulation - June 2016
U.S. Residents’ Perceptions of Dogs, Their Welfare and Related Information Sources - June 2016
Effect of Cameras in the Workplace: Implications for the U.S. Swine Industry - May 2016
Outdoor Enthusiasts’ Classification of Animal Species and Estimation of Animal Life Expectancy - August 2015
U.S. Residents’ Awareness of Animal Diseases - August 2015
Perceptions of United States Residents: Animal Agriculture and Meat Products - June 2015
Perceptions of Animal Agriculture and Meat Products: Spotlights on Indiana, Illinois, Michigan, Ohio, and Wisconsin - June 2015
Outdoor Enthusiasts' Perceptions of Hunting and Animal Welfare - June 2015
Perception of Indiana State Residents: Animal Agriculture and Meat Products in 2014 - May 2015

Extension Papers, Handouts and Other Publications

Animal welfare and animal rights: Ethics, science and explanations (purdue.edu) (Erasmus)
Factors Affecting Perceptions of Animal Welfare in Developing Countries (purdue.edu) (Croney)
Farm Animal Welfare: Audits and Certification Programs (purdue.edu) (Karcher, Erasmus)
Gut Feelings: How Probiotics May Improve Animal Welfare (purdue.edu)(Erasmus)

Canines (Dogs)

Bovine (Cattle)

Animal Well-being: Cattle (Erasmus)
How can the dairy industry communicate more effectively on animal welfare? (Croney)

Felines (Cats)

Exotic Feline Enrichment (purdue.edu) (Erasmus)
Assessing the welfare of cats housed in cages (Croney)
Enhancing the welfare of caged cats through
environmental management: The housing room (Croney)

goat photo

Goats

Animal Well-Being Goats (purdue.edu) (Erasmus)

horse photo

Equine (Horses)

Animal Well-Being: Horses (Erasmus)
Assessing Health and Well-Being of Horses (purdue.edu) (Brady)

pig photo

Swine (Pigs)

Animal Well-being: Pigs (purdue.edu) (Erasmus)

Poultry

Poultry

Animal Well-being: Poultry (Erasmus)
An Explanation of Damaging Pecking Behavior in Poultry and Captive Birds (Dong, Karcher, and Erasmus)
Poultry Capture & Handling (Karcher)
Hen Behavior as a Tool for Detecting Pest Infestations and Improving Hen Welfare (Erasmus)

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