Effects of heat stress on bovine oocytes and early embryonic development—an update

K Miętkiewska, P Kordowitzki, CS Pareek - Cells, 2022 - mdpi.com
Heat stress is a major threat to cattle reproduction today. It has been shown that the effect of
high temperature not only has a negative effect on the hormonal balance, but also directly …

Importance of antioxidant supplementation during in vitro maturation of mammalian oocytes

SI Rakha, MA Elmetwally, H El-Sheikh Ali… - Veterinary …, 2022 - mdpi.com
Simple Summary In vitro embryo production (IVEP) is a technology that is widely used in the
field of reproductive biology. The first and most important step of IVEP is termed in vitro …

Astaxanthin improves the development of the follicles and oocytes through alleviating oxidative stress induced by BPA in cultured follicles

Y Li, Z Dong, S Liu, F Gao, J Zhang, Z Peng, L Wang… - Scientific reports, 2022 - nature.com
This study is to investigate whether astaxanthin could alleviate the oxidative stress damages
of follicles induced by BPA and improve the development of the cultured follicles and …

Effect of heat exposure on the growth and developmental competence of bovine oocytes derived from early antral follicles

K Kawano, K Sakaguchi, C Madalitso, N Ninpetch… - Scientific reports, 2022 - nature.com
In dairy cows, low fertility caused by summer heat stress continues into the cooler autumn
season. This can be caused by impaired oocyte quality in small growing follicles during …

Low oxygen environment and astaxanthin supplementation promote the developmental competence of bovine oocytes derived from early antral follicles during 8 days …

M Chelenga, K Sakaguchi, K Kawano, E Furukawa… - Theriogenology, 2022 - Elsevier
We evaluated the effects of a constant low (5-5%) and modulated (5–20%) oxygen
environments on the in vitro development of bovine oocyte-cumulus-granulosa cell …

Influência do estresse calórico na produção in vitro de oócitos e embriões de vacas Holandesas de alta produtividade

F Berling, FC Castro, ACS Oliveira - Ciência Animal Brasileira, 2022 - SciELO Brasil
Objetivou-se avaliar a influência do estresse térmico em oócitos utilizados na produção in
vitro de embriões (PIV) bovinos da raça Holandesa de alta produtividade no dia da …

Presence of ginsenoside re during in vitro maturation protects porcine oocytes from heat stress

S Liu, A Ju, A Duan, C Zhan, L Gao… - … in Domestic Animals, 2022 - Wiley Online Library
Heat stress (HS) affects the development of porcine gametes and embryos negatively,
induces the decrease of reproductive ability significantly, threatens global pig production …

Infuence of heat stress on in vitro oocyte and embryo production in high-yielding Holstein cows

F Berling, FC Castro, ACS Oliveira - Ciência Animal Brasileira, 2022 - SciELO Brasil
The objective of this study was to evaluate the influence of thermal shock on oocytes used in
the production of in vitro embryos (IVP) of high productivity Holstein cows on the day of …

[HTML][HTML] Effects of astaxanthin supplementation in fertilization medium and/or culture medium on the fertilization and development of mouse oocytes

C Tana, P Somsak, W Piromlertamorn… - Clinical and …, 2022 - ncbi.nlm.nih.gov
Objective We investigated the effect of supplementing fertilization medium and/or culture
medium with astaxanthin (AST) on the two phases of in vitro fertilization: gamete fertilization …