[HTML][HTML] Impact of heat stress on health and performance of dairy animals: A review

R Das, L Sailo, N Verma, P Bharti, J Saikia… - Veterinary …, 2016 - ncbi.nlm.nih.gov
Sustainability in livestock production system is largely affected by climate change. An
imbalance between metabolic heat production inside the animal body and its dissipation to …

A review of the causes of poor fertility in high milk producing dairy cows

SW Walsh, EJ Williams, ACO Evans - Animal reproduction science, 2011 - Elsevier
Fertility in dairy cows has declined over the past five decades as milk production per cow
has increased. Many hypotheses have been proposed to explain this including issues of …

The incompletely fulfilled promise of embryo transfer in cattle—why aren't pregnancy rates greater and what can we do about it?

PJ Hansen - Journal of Animal Science, 2020 - academic.oup.com
Typically, bovine embryos are transferred into recipient females about day 7 after estrus or
anticipated ovulation, when the embryo has reached the blastocyst stage of development …

Embryo development in dairy cattle

P Lonergan, T Fair, N Forde, D Rizos - Theriogenology, 2016 - Elsevier
During the past 50 years, the fertility of high-producing lactating dairy cows has decreased,
associated with intensive selection for increased milk production. The physiological and …

[HTML][HTML] Expression of estrus improves fertility and decreases pregnancy losses in lactating dairy cows that receive artificial insemination or embryo transfer

MHC Pereira, MC Wiltbank, JLM Vasconcelos - Journal of dairy science, 2016 - Elsevier
The objective was to evaluate if expression of estrus by dairy cattle altered fertility in timed
artificial insemination (AI; n= 5,430) or timed embryo transfer (ET; n= 2,003) programs that …

[HTML][HTML] Invited review: Management strategies capable of improving the reproductive performance of heat-stressed dairy cattle

VM Negrón-Pérez, DW Fausnacht, ML Rhoads - Journal of dairy science, 2019 - Elsevier
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 …

Proteomic comparison of detergent-extracted sperm proteins from bulls with different fertility indexes

O D'Amours, G Frenette, M Fortier, P Leclerc… - …, 2010 - rep.bioscientifica.com
In mammals, suppressor of cytokine signalling (CISH, SOCS1 to SOCS7) factors control
signalling pathways involved in the regulation of numerous physiological processes …

A role for seminal plasma in modulating pregnancy outcomes in domestic species

JJ Bromfield - Reproduction, 2016 - rep.bioscientifica.com
Seminal plasma is a complex fluid produced by the accessory glands of the male
reproductive tract. Seminal plasma acts primarily as a transport medium for sperm on its …

Mitigation of the heat stress impact in livestock reproduction

G Krishnan, M Bagath, P Pragna, MK Vidya… - …, 2017 - books.google.com
Heat stress affects the fertility and reproductive livestock performance by compromising the
physiology reproductive tract, through hormonal imbalance, decreased oocyte quality and …

Use of embryo transfer to alleviate infertility caused by heat stress

PS Baruselli, RM Ferreira, LM Vieira, AH Souza, GA Bó… - Theriogenology, 2020 - Elsevier
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 …