Evaluation of GnRH-versus estrogen-based protocols for ovulation synchronization in postpartum Bos taurus grazing beef cows submitted to fixed-time artificial …
LB Ferré, MN Cerviño, J Jaeschke, M Itterman… - Theriogenology, 2024 - Elsevier
This study compared the effect of a 7-day estrogen-and a 7-day GnRH-based FTAI protocol
versus a presynchronized GnRH-based FTAI protocol (7 & 7 GnRH) on pregnancy per AI …
versus a presynchronized GnRH-based FTAI protocol (7 & 7 GnRH) on pregnancy per AI …
[HTML][HTML] Association of activity and subsequent fertility of dairy cows after spontaneous estrus or timed artificial insemination
CM Tippenhauer, JL Plenio, W Heuwieser… - Journal of Dairy …, 2023 - Elsevier
The objective of this observational study was to evaluate the association between increased
physical activity at first artificial insemination (AI) and subsequent pregnancy per AI (P/AI) in …
physical activity at first artificial insemination (AI) and subsequent pregnancy per AI (P/AI) in …
[HTML][HTML] The effect of progesterone concentrations during superovulation of Holstein heifers in a randomized trial
JCS Marques, JPO Maciel, J Denis-Robichaud… - Journal of Dairy …, 2023 - Elsevier
The aim of this study was to evaluate the effect of different progesterone (P4) concentrations
during the follicular growth on the intensity of estrous expression, ovarian response to the …
during the follicular growth on the intensity of estrous expression, ovarian response to the …
Early prediction of oestrus for herd fertility management in cattle and buffaloes–a review
AS Rajput, B Mishra, D Rajawat… - … in Domestic Animals, 2024 - Wiley Online Library
Oestrus is defined as a period when a female animal exhibits characteristic sexual
behaviour in the presence of a mature male. Oestrous manifestation in dairy animals is due …
behaviour in the presence of a mature male. Oestrous manifestation in dairy animals is due …
[HTML][HTML] Anogenital distance is associated with postpartum estrous activity, intensity of estrous expression, ovulation, and progesterone concentrations in lactating …
AML Madureira, TA Burnett, JE Carrelli… - Journal of Dairy …, 2022 - Elsevier
The objectives of this retrospective observational study were to determine the associations
of anogenital distance (AGD) with (a) postpartum estrous activity,(b) diameter of the …
of anogenital distance (AGD) with (a) postpartum estrous activity,(b) diameter of the …
Predicting pregnancy outcome in dairy cows: The role of IGF-1 and progesterone
NT Constantin, CM Bercea-Strugariu, D Bîrțoiu… - Animals, 2023 - mdpi.com
Simple Summary This study aimed to determine the levels of various hormones and
metabolites in the blood of Holstein dairy cows during the crucial transition period, 7 days …
metabolites in the blood of Holstein dairy cows during the crucial transition period, 7 days …
Effects of perinatal nutrition supplementation and early weaning on serum biochemistry, metabolomics, and reproduction in yaks
K Shang, J Guan, T An, H Zhao, Q Bai, H Li… - Frontiers in Veterinary …, 2024 - frontiersin.org
The transition period is a crucial stage in the reproductive cycle for dams and is linked
closely with postpartum recovery, reproduction performance, and health. The confronting …
closely with postpartum recovery, reproduction performance, and health. The confronting …
Relationships between activity monitoring device data and ovarian, uterine, hormonal, and pregnancy variables in beef cows
CC Rocha, AB Montevecchio, A Bennett, A Waheed… - Theriogenology, 2025 - Elsevier
Implementing accelerometer technologies in beef operations is an alternative to increase
precision in estrous detection. We hypothesized that (1) the accelerometer algorithm has …
precision in estrous detection. We hypothesized that (1) the accelerometer algorithm has …
[PDF][PDF] Preovulatory serum estradiol concentration is positively associated with oocyte ATP and follicular fluid metabolite abundance in lactating beef cattle
CC Read, JL Edwards, FN Schrick… - Journal of Animal …, 2022 - academic.oup.com
Cattle induced to ovulate a small, physiologically immature preovulatory follicle had reduced
oocyte developmental competence that resulted in decreased embryo cleavage and day 7 …
oocyte developmental competence that resulted in decreased embryo cleavage and day 7 …
Estrous characteristics and steroid concentrations in Aceh cows (Bos indicus) after estrus synchronization using prostaglandin F2a
H HAFIZUDDIN, H HUSNURRIZAL… - Biodiversitas Journal of …, 2024 - smujo.id
Hafizuddin, Husnurrizal, Thasmi CN, Herrialfian, Salsabil NL, Siregar TN, Sutriana A. 2024.
Estrous characteristics and steroid concentrations in Aceh cows (Bos indicus) after estrus …
Estrous characteristics and steroid concentrations in Aceh cows (Bos indicus) after estrus …