Results 71 to 80 of about 302 (129)

New perspectives and evolution of ovulation synchronization protocols in bovine females. [PDF]

Anim Reprod
Sales JNS, Carvalho LR, Simões LMS, Lemos LA, Vicente MP, Silva RRR, Orlandi LO, Baruselli PS, de Souza JC.   +8 more
europepmc   +1 more source

Exploring the role of milk yield in the first week of lactation on the association between hyperketonemia and reproductive performance in dairy cattle. [PDF]

JDS Commun, 2022
Rodriguez Z, Wynands E, Shepley E, Baumgard LH, Cramer G, Caixeta LS.   +5 more
europepmc   +1 more source

Ovarian characteristics, serum concentrations, and fertility in lactating dairy cows in response to equine chorionic gonadotropin [PDF]

Master of ScienceDepartment of Animal Sciences and IndustryJeffrey S. StevensonThe objectives were to evaluate the effects of equine chorionic gonadotropin (eCG) administration on preovulatory follicle diameter, serum estradiol and progesterone ...
Pulley, Stephanie Leeann
core  

Gonadotropin-Releasing Hormone (GnRH) and Its Agonists in Bovine Reproduction I: Structure, Biosynthesis, Physiological Effects, and Its Role in Estrous Synchronization. [PDF]

Animals (Basel)
Hassanein EM, Szelényi Z, Szenci O.
europepmc   +1 more source

Identification of culling reasons, intervals, and risk factors by postpartum period classification in dairy farms. [PDF]

Anim Biosci
Kang HG, Jeong JK, Kim IH.
europepmc   +1 more source

Economics of Using GnRH on Day 5 After Timed Artificial Insemination in a Modified Double-Ovsynch Protocol at a Low-Fertility Dairy Farm. [PDF]

Vet Sci
Borș SI, Ariton AM, Borș A, Hârbu AI, Vintilă V.   +4 more
europepmc   +1 more source

Effect of circulating prolactin, lactation days, and seasonal variations on first artificial insemination pregnancy rates using the PG7G protocol in dairy cows. [PDF]

Vet World
Alnimer MA, Abedal-Majed MA, Al-Qaisi M, Shamoun AI.   +3 more
europepmc   +1 more source

A two-injection prostaglandin F_2α presynchronization treatment decreases pregnancy rates of cycling replacement beef heifers. [PDF]

Transl Anim Sci, 2019
Monn RE, Poole RK, Mackey JC, Mayberry KJ, Dudley HB, Alley M, Poole DH.   +6 more
europepmc   +1 more source

Foundational reproduction programs for U.S. dairy herds. [PDF]

J Reprod Dev
Fricke PM, Lauber MR, Wiltbank MC, Hincapie N.   +3 more
europepmc   +1 more source

Effect of Negative Energy Balance on Plasma Metabolites, Minerals, Hormones, Cytokines and Ovarian Follicular Growth Rate in Holstein Dairy Cows. [PDF]

J Vet Res, 2021
Song Y, Wang Z, Zhao C, Bai Y, Xia C, Xu C.   +5 more
europepmc   +1 more source