Causes of declining fertility in dairy cows during the warm season
F De Rensis, F Lopez-Gatius, I García-Ispierto, G Morini… - Theriogenology, 2017 - Elsevier
Abstract In the Northern Hemisphere, from June to September and in the Southern
Hemisphere from December to March, there are periods of reduced fertility (sub-fertility) in …
Hemisphere from December to March, there are periods of reduced fertility (sub-fertility) in …
Physiological mechanisms through which heat stress compromises reproduction in pigs
JW Ross, BJ Hale, JT Seibert… - Molecular …, 2017 - Wiley Online Library
Seasonal variations in environmental temperatures impose added stress on domestic
species bred for economically important production traits. These heat‐mediated stressors …
species bred for economically important production traits. These heat‐mediated stressors …
Reproductive physiology of the heat-stressed dairy cow: implications for fertility and assisted reproduction
PJ Hansen - Animal Reproduction, 2019 - SciELO Brasil
Heat stress causes a large decline in pregnancy success per insemination during warm
times of the year. Improvements in fertility are possible by exploiting knowledge about how …
times of the year. Improvements in fertility are possible by exploiting knowledge about how …
Physiological consequences of heat stress in pigs
Heat stress negatively influences the global pork industry and undermines genetic,
nutritional, management and pharmaceutical advances in management, feed and …
nutritional, management and pharmaceutical advances in management, feed and …
Prospects for gene introgression or gene editing as a strategy for reduction of the impact of heat stress on production and reproduction in cattle
PJ Hansen - Theriogenology, 2020 - Elsevier
In cattle, genetic variation exists in regulation of body temperature and stabilization of
cellular function during heat stress. There are opportunities to reduce the impact of heat …
cellular function during heat stress. There are opportunities to reduce the impact of heat …
Dynamics of DNA methylation during early development of the preimplantation bovine embryo
There is species divergence in control of DNA methylation during preimplantation
development. The exact pattern of methylation in the bovine embryo has not been …
development. The exact pattern of methylation in the bovine embryo has not been …
[HTML][HTML] The WNT signaling antagonist Dickkopf-1 directs lineage commitment and promotes survival of the preimplantation embryo
Successful embryonic development is dependent on factors secreted by the reproductive
tract. Dickkopf-1 (DKK1), an antagonist of the wingless-related mouse mammary tumor virus …
tract. Dickkopf-1 (DKK1), an antagonist of the wingless-related mouse mammary tumor virus …
Mitigation of the heat stress impact in livestock reproduction
Heat stress affects the fertility and reproductive livestock performance by compromising the
physiology reproductive tract, through hormonal imbalance, decreased oocyte quality and …
physiology reproductive tract, through hormonal imbalance, decreased oocyte quality and …
Use of embryo transfer to alleviate infertility caused by heat stress
Heat stress (HS) has a pronounced deleterious effect on fertility in dairy herds throughout
the world, especially in hot and humid summer months in tropical and subtropical areas …
the world, especially in hot and humid summer months in tropical and subtropical areas …
Effects of heat stress on bovine preimplantation embryos produced in vitro
M Sakatani - Journal of Reproduction and Development, 2017 - jstage.jst.go.jp
Summer heat stress decreases the pregnancy rate in cattle and has been thought to be
associated with the early embryonic death caused by the elevation of maternal body …
associated with the early embryonic death caused by the elevation of maternal body …