Heat stress effects on livestock: molecular, cellular and metabolic aspects, a review

I. Belhadj Slimen, T. Najar, A. Ghram, M. Abdrrabba

doi:10.1111/jpn.12379

Heat stress effects on livestock: molecular, cellular and metabolic aspects, a review

DOI Web Site Web Site 被引用文献3件

I. Belhadj Slimen

Department of Animal, Food and Halieutic Resources National Agronomic Institute of Tunisia Mahragene city Tunisia
T. Najar

Department of Animal, Food and Halieutic Resources National Agronomic Institute of Tunisia Mahragene city Tunisia
A. Ghram

Laboratory of Microbiology Pasteur Institute of Tunisia Mahragene city Tunisia
M. Abdrrabba

Laboratory of Materials, Molecules and Applications Preparatory Institute for Scientific and Technical Studies La Marsa Tunisia

書誌事項

公開日: 2015-08-06

権利情報

http://onlinelibrary.wiley.com/termsAndConditions#vor

DOI

10.1111/jpn.12379

公開者: Wiley

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説明

<jats:title>Summary</jats:title><jats:p>Elevated ambient temperatures affect animal production and welfare. Animal's reduced production performances during heat stress were traditionally thought to result from the decreased feed intake. However, it has recently been shown that heat stress disturbs the steady state concentrations of free radicals, resulting in both cellular and mitochondrial oxidative damage. Indeed, heat stress reorganizes the use of the body resources including fat, protein and energy. Heat stress reduces the metabolic rates and alters post‐absorptive metabolism, regardless of the decreased feed intake. Consequently, growth, production, reproduction and health are not priorities any more in the metabolism of heat‐stressed animals. The drastic effects of heat stress depend on its duration and severity. This review clearly describes about biochemical, cellular and metabolic changes that occur during thermal stress in farm animals.</jats:p>