The Genetics of Thermoregulation in Pigs: A Review

被引：38

作者：

Gourdine, Jean-Luc ^{[1
]}

Rauw, Wendy Mercedes ^{[2
]}

Gilbert, Helene ^{[3
]}

Poullet, Nausicaa ^{[1
]}

机构：

[1] URZ, INRAE, Domaine Duclos Prise Eau, Petit Bourg, Guadeloupe, France

[2] Inst Nacl Invest & Tecnol Agr & Alimentaria, Dept Mejora Genet Anim, CSIC, INIA, Madrid, Spain

[3] Univ Toulouse, GenPhySE, INRAE, INP, Castanet Tolosan, France

来源：

FRONTIERS IN VETERINARY SCIENCE | 2021年 / 8卷

关键词：

thermoregulation; pig; heat stress; genetics; selection; HOUSED GROWING PIGS; HIGH AMBIENT-TEMPERATURE; CLIMATE-CHANGE IMPACT; EUROPEAN LARGE WHITE; HEAT-STRESS; RECTAL TEMPERATURE; ADAPTIVE TRAITS; SALIVARY CORTISOL; FEEDING-BEHAVIOR; CIRCADIAN-RHYTHM;

D O I：

10.3389/fvets.2021.770480

中图分类号：

S85 [动物医学（兽医学）];

学科分类号：

0906 ;

摘要：

Heat stress (HS) affects pig performance, health and welfare, resulting in a financial burden to the pig industry. Pigs have a limited number of functional sweat glands and their thermoregulatory mechanisms used to maintain body temperature, are challenged by HS to maintain body temperature. The genetic selection of genotypes tolerant to HS is a promising long-term (adaptation) option that could be combined with other measures at the production system level. This review summarizes the current knowledge on the genetics of thermoregulation in pigs. It also discusses the different phenotypes that can be used in genetic studies, as well as the variability in thermoregulation between pig breeds and the inheritance of traits related to thermoregulation. This review also considers on-going challenges to face for improving heat tolerance in pigs.

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