The negative impact of heat stress on cattle growth, development, reproduction and
production has been quite alarming across the world. Climate change elevates earth surface …

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 …

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 …

In vitro embryo production systems are limited by their inability to consistently produce
embryos with the competency to develop to the blastocyst stage, survive cryopreservation …

Impaired fertility during periods of heat stress is the culmination of numerous physiological
responses to heat stress, ranging from reduced estrus expression and altered follicular …

Establishment of pregnancy in cattle is complex and encompasses ovulation, fertilization,
blastocyst formation and growth into an elongated conceptus, pregnancy recognition …

Oxidative and nitrosative stress are common problems when handling gametes in vitro. In
vitro development in mammalian embryos is highly affected by culture conditions, especially …

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 …

Recent decades provide mounting evidence for the continual increase in global
temperatures, now termed “global warming,” to the point of drastic worldwide change in the …

Implications• Maternal response to late-gestation heat stress alters developmental
programming in lactating dairy cattle.• There is currently limited knowledge on the effects of …