Chicken

Rana, M. S., Lee, C., Walkden-Brown, S. W. et al. 2024. Effects of ultraviolet light supplementation on hen behaviour and welfare during early lay. Applied Animal Behaviour Science 273, 106235.

Poultry can see in the ultraviolet (UV) spectrum and supplementation of UVA has been shown to reduce laying hens’ fear and stress. The shorter wavelengths (UVB) also facilitate vitamin D3 production. However, UV spectrums are...

Fiorilla, E., Ozella, L., Sirri, F. et al. 2024. Effects of housing systems on behaviour and welfare of autochthonous laying hens and a commercial hybrid. Applied Animal Behaviour Science 274, 106247.

The welfare of laying hens is crucial for a sustainable and ethical food industry. Free-range systems offer a more natural and stimulating environment, while dual-purpose autochthonous breeds and crossbreeding could address ethical concerns and improve...

DePaoli, E., Korver, D., Bench, C. 2024. Effect of pullet rearing environment, strain and perch shape on perching behaviour, perching biomechanics, and keel bone damage in enriched-housed laying hens. Applied Animal Behaviour Science 272, 106187.

Housing, including pullet rearing environment and enrichments, impacts the welfare of laying hens throughout their life. As the egg industry shifts towards alternative housing systems (furnished cages, aviary, free-run, and free range), an increase in...

van Es, J., Zandleven, A. 2023. A UV lamp for birds. RATEL (Journal of the Association of British and Irish Wild Animal Keepers) 50(3-4), 4-7.

For birds, access to direct sunlight (without the use of glass) is very important. If that cannot be achieved in captivity, then at the very least ensure provision of the right UV lamp. Appropriate UV...

Taylor, P. S., Schrobback, P., Verdon, M. et al. 2023. An effective environmental enrichment framework for the continual improvement of production animal welfare. Animal Welfare 32, e14.

Substrates and objects are provided to farm animals on the assumption that they improve animal welfare by enriching the environment, but these often fail to consider the extent to which an environmental enrichment (EE) improves...

Matthews, B., New, R., Kanse, Y. M. et al. 2023. Cooped up: Refinement of a Gallus gallus domesticus environment. Animal Technology and Welfare 22(3), 228–230.

Providing an enriched species specific environment, coupled with the principles of the 3Rs (Refinement, Reduction and Replacement) is at the heart of the poulty team team at The Pirbright Institute. Periodically reviwed custom made cage...

LaFollette, M. R., Cloutier, S., Brady, C. M. et al. 2023. Benchmarking enrichment efforts in the US & Canada across species and enrichment categories. JAALAS 62(4), 303–316.

Enrichment is important for animal welfare and data quality. Provision of enrichment opportunities varies between species and enrichment category. However, data benchmarking these differences does not exist. Our objective was to characterize enrichment provision and...

Zhao, S., Zhang, R., Li, C. et al. 2023. The effect of short-term classical music stimulus on behavior and tonic immobility reaction of pullets. Journal of Applied Animal Welfare Science 26(3), 386–392.

The purpose of this study was to investigate the effect of short-term stimulation of classical music on the behavior of pullets and to explore whether classical music as an auditory enrichment factor reduces the fear...

de Oliveira sans, E. C., Dahlke, F., Freitas Federici, J. et al. 2023. Welfare of broiler chickens in Brazilian free-range versus intensive indoor production systems. Journal of Applied Animal Welfare Science 26(4), 505–517.

We compared broiler chicken welfare in free-range (FR) and intensive indoor (IN) systems using the Welfare Quality® Protocol. Ten FR and 11 IN farms in Brazil were assessed. Results are shown as either scores ranging...

Oke, O. E., Oso, O., Iyasere, O. et al. 2023. Evaluation of light color manipulation on behavior and welfare of broiler chickens. Journal of Applied Animal Welfare Science 26(4), 493–504.

This experiment evaluated the effect of light manipulation on the behavior and welfare of broilers using 280-day-old Arbor-Acre chicks, which were weighed and assigned to 7 treatments having 4 replicates and 10 birds per replicate...

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