Husbandry & Management

Includes refinements to diet, bedding or flooring, cage changing, lighting, temperature, noise levels, etc.

Kallio, P. A, Janczak, A. M., Valros, A. E. et al. 2018. Case control study on environmental, nutritional and management-based risk factors for tail-biting in long-tailed pigs. Animal Welfare 27(1), 21-34.

A case control study with a questionnaire was carried out to compare feeding practices, diet composition, housing and management in 78 herds with or without a history of tail-biting in undocked pigs (Sus scrofa) in...

Santurtun, E., Broom, D. M., Phillips, C. J. C. 2018. A review of factors affecting the welfare of Atlantic salmon (Salmo salar). Animal Welfare 27(3), 193-204.

In the expanding salmon industry, many farmers use production methods that could result in poor welfare of the fish at various points of their lifecycle. We have reviewed methods used for producing salmon for food...

Pfefferle, D., Plümer, S., Burchardt, L. et al. 2018. Assessment of stress responses in rhesus macaques (Macaca mulatta) to daily routine procedures in system neuroscience based on salivary cortisol concentrations. PLOS ONE 13(1), e0190190.

Non-human primates participating in neurophysiological research are exposed to potentially stressful experimental procedures, such as dietary control protocols, surgical implants and their maintenance, or social separation during training and experimental session. Here, we investigated the...

Van Os, J. M. C., Mintline, E. M., DeVries, T. J. 2018. Domestic cattle (Bos taurus taurus) are motivated to obtain forage and demonstrate contrafreeloading. PLOS ONE 13(3), e0193109.

Domestic cattle (Bos taurus taurus) are adapted to digest high-roughage diets, but in confinement they are commonly fed low-roughage, high-energy diets. This practice may leave cattle with an unfulfilled need to consume forage. A way...

van der Meer, Y., Gerrits, W. J. J., Jansman, A. J. M. 2017. A link between damaging behaviour in pigs, sanitary conditions, and dietary protein and amino acid supply. PLOS ONE 12(5), e0174688.

The tendency to reduce crude protein (CP) levels in pig diets to increase protein efficiency may increase the occurrence of damaging behaviours such as ear and tail biting, particularly for pigs kept under suboptimal health...

Morfeld, K. A., Brown, J.L. 2017. Metabolic health assessment of zoo elephants: Management factors predicting leptin levels and the glucose-to-insulin ratio and their associations with health parameters. PLOS ONE 12(11), e0188701.

Screening for metabolic-related health problems can enhance animal welfare, so the purpose of this study was to conduct the first metabolic health assessment of zoo elephants and use epidemiological methods to determine how factors in...

Diana, A., Manzanilla, E. G., Calderón Díaz, J. A. et al. 2017. Do weaner pigs need in-feed antibiotics to ensure good health and welfare? PLOS ONE 12(10), e0185622.

Antibiotics (AB) are used in intensive pig production systems to control infectious diseases and they are suspected to be a major source of antibiotic resistance. Following the ban on AB use as growth promoters in...

Liu, H., Duan H., Wang C. 2017. Effects of ambient environmental factors on the stereotypic behaviors of giant pandas (Ailuropoda melanoleuca). PLOS ONE 12(1), e0170167.

Stereotypies are commonly observed in zoo animals, and it is necessary to better understand whether ambient environmental factors contribute to stereotypy and how to affect animal welfare in zoo settings. This study investigated the relationships...

Morfeld, K. A., Meehan, C. L., Hogan, J. N. et al. 2016. Assessment of body condition in African (Loxodonta africana) and Asian (Elephas maximus) elephants in North American zoos and management practices associated with high body condition

Obesity has a negative effect on health and welfare of many species, and has been speculated to be a problem for zoo elephants. To address this concern, we assessed the body condition of 240 elephants...

Prado-Oviedo, N. A., Bonaparte-Saller, M. K., Malloy, E. J. et al. 2016. Evaluation of demographics and social life events of Asian (Elephas maximus) and African elephants (Loxodonta africana) in North American zoos. PLOS ONE 11(7), e0154750.

This study quantified social life events hypothesized to affect the welfare of zoo African and Asian elephants, focusing on animals that were part of a large multi-disciplinary, multi-institutional elephant welfare study in North America. Age...

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