[HTML][HTML] What have we learned about the effects of heat stress on the pig industry?

F Liu, W Zhao, HH Le, JJ Cottrell, MP Green, BJ Leury… - Animal, 2022 - Elsevier
Pig production faces seasonal fluctuations. The low farrowing rate of sows mated in summer,
increased carcass fatness of progeny born to the sows mated in summer, and slower growth …

Biology of heat stress; the nexus between intestinal hyperpermeability and swine reproduction

EJ Mayorga, JW Ross, AF Keating, RP Rhoads… - Theriogenology, 2020 - Elsevier
Unfavorable weather conditions are one of the largest constraints to maximizing farm animal
productivity. Heat stress (HS), in particular, compromises almost every metric of profitability …

Managing prolific sows in tropical environments

P Tummaruk, F De Rensis… - Molecular Reproduction …, 2023 - Wiley Online Library
Litter size in modern sows has been dramatically improved in recent decades by genetic
selection for highly prolific sows. In a tropical environment, the average total number of pigs …

Phenotypic, endocrinological, and metabolic effects of zearalenone exposure and additive effect of heat stress in prepubertal female pigs

CM Roach, EJ Mayorga, LH Baumgard, JW Ross… - Journal of Thermal …, 2024 - Elsevier
Independently, both heat stress (HS) and zearalenone (ZEN) compromise female
reproduction, thus the hypothesis that ZEN would affect phenotypic, endocrine, and …

Porcine endometrial heat shock proteins are differentially influenced by pregnancy status, heat stress, and altrenogest supplementation during the peri-implantation …

MK Adur, JT Seibert, MR Romoser… - Journal of Animal …, 2022 - academic.oup.com
Heat stress (HS) deleteriously affects multiple components of porcine reproduction and is
causal to seasonal infertility. Environment-induced hyperthermia causes a HS response …

Heat stress impairs maternal endometrial integrity and results in embryo implantation failure by regulating transport-related gene expression in Tongcheng pigs

W Lian, D Gao, C Huang, Q Zhong, R Hua, M Lei - Biomolecules, 2022 - mdpi.com
Heat stress (HS) poses a significant threat to production and survival in the global swine
industry. However, the molecular regulatory effects of heat stress on maternal endometrial …

Impact of heat stress on prolactin-mediated ovarian JAK-STAT signaling in postpubertal gilts

CM Roach, KL Bidne, MR Romoser… - Journal of Animal …, 2022 - academic.oup.com
Heat stress (HS) compromises almost every aspect of animal agriculture including
reproduction. In pigs, this infecundity is referred to as seasonal infertility (SI), a phenotype …

IMPACT OF REAL-LIFE ENVIRONMENTAL EXPOSURES ON REPRODUCTION: Systemic and ovarian impacts of heat stress in the porcine model

AF Keating, JW Ross, LH Baumgard - Reproduction, 2024 - rep.bioscientifica.com
In brief This review describes how heat stress causes systemic endocrine and metabolic
alterations that contribute to intracellular ovarian perturbations, resulting in female infertility …

The effect of heat stress on proliferation, synthesis of steroids, and gene expression of duck granulosa cells

C Yang, X Huang, S Chen, X Li, X Fu… - Animal Science …, 2021 - Wiley Online Library
Granulosa cells (GCs) play an important role in the development of follicles. In this study, we
investigate the impact of heat stress at 41° C and 43° C on duck GCs' proliferation and …

Effects of increased ambient temperature and supplemental altrenogest before pregnancy establishment in gilts

MR Romoser, KL Bidne, LH Baumgard… - Journal of Animal …, 2022 - academic.oup.com
Heat stress (HS) mitigation strategies are critically needed to combat the substantial
economic effects on animal agriculture. The manifestations of seasonal infertility include …