Physiology and genetics of heat stress in cattle

Author:

McManus C.M.1ORCID,Faria D.A.2ORCID,de Bem A.1ORCID,Maranhão A.Q.1ORCID,Paiva S.R.3ORCID

Affiliation:

1. Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade de Brasília, Campus Darcy Ribeiro,  Asa Norte, Brasília, DF, 70910-900, Brazil.

2. Ciências Animais, Faculdade de Agronomia e Medicina Veterinária, Instituto Central de Ciências, Universidade de Brasília, Campus Darcy Ribeiro,  Asa Norte, Brasília, 70910-900, Brazil.

3. Laboratório de Genética Animal, Prédio de Conservação Genética, Embrapa Recursos Genéticos e Biotecnologia, Final Av. W5 Norte, Brasília, DF, 70770-917, Brazil.

Abstract

Abstract Climatic variables can trigger physiological, biochemical, hematological, and hormonal alterations that influence the maintenance of homeothermy and can affect production and productivity in cattle. An understanding of pathways leading to resistance/tolerance in cattle is necessary, so that the impact of these changes can be mitigated. Particularly, heat stress (HS) has complex effects on the physiology and genetics of production characteristics in animals, thereby making the use of genomic information to select thermotolerant animals difficult. This review looks at physical, physiological, molecular, and genetic aspects of heat tolerance in cattle and the interrelationship between them.

Publisher

CABI Publishing

Subject

Nature and Landscape Conservation,General Agricultural and Biological Sciences,General Veterinary

Reference105 articles.

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