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The effects of stocking density on behavior and biological functioning of penned sheep under continuous heat load conditions.
Mayes, Bonnie T; Taylor, Peta S; Cowley, Frances C; Gaughan, John B; Morton, John M; Doyle, Brendan P; Tait, L Amy.
Afiliación
  • Mayes BT; School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia.
  • Taylor PS; School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia.
  • Cowley FC; School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia.
  • Gaughan JB; School of Agriculture and Food Sciences, The University of Queensland, Gatton, QLD, 4343, Australia.
  • Morton JM; Jemora, East Geelong, VIC, 3219, Australia.
  • Doyle BP; School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia.
  • Tait LA; School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia.
J Anim Sci ; 1012023 Jan 03.
Article en En | MEDLINE | ID: mdl-37392177
There is a high demand for Australian sheep to be exported to the Middle East, and for live export voyages which depart during an Australian winter, heat, and humidity increase rapidly as ships cross the equator and approach destination countries. Concern about sheep becoming heat stressed during these voyages has increased, and industry attention has focused on the potential role of stocking density in determining heat stress risk in this context. High stocking densities limit the body surface area available for heat loss and can increase heat exchange between individual sheep. This study aimed to assess the welfare implications of three stocking densities, for sheep exposed to climatic conditions similar to those experienced during a live export voyage to the Middle East. Higher stocking densities restricted the ability of sheep to lie in some positions, but stocking density had limited effects on heat stress indicators or the physiology of the sheep. These results suggested that the sheep were able to cope with these increases in stocking density under the conditions imposed, but the conclusions must be interpreted in the context of the controlled experimental conditions.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Conducta Alimentaria / Calor Tipo de estudio: Prognostic_studies Límite: Animals Idioma: En Revista: J Anim Sci Año: 2023 Tipo del documento: Article País de afiliación: Australia Pais de publicación: Estados Unidos

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Conducta Alimentaria / Calor Tipo de estudio: Prognostic_studies Límite: Animals Idioma: En Revista: J Anim Sci Año: 2023 Tipo del documento: Article País de afiliación: Australia Pais de publicación: Estados Unidos