Search Results - "Cruppe, L.H."

Factors affecting expression of estrus measured by activity monitors and conception risk of lactating dairy cows by Madureira, A M L, Silper, B F, Burnett, T A, Polsky, L, Cruppe, L H, Veira, D M, Vasconcelos, J L M, Cerri, R L A

“…The objective of this study was to determine risk-factors affecting increase in physical activity during estrus and pregnancy per artificial insemination…”
Get more information

Role of progesterone concentrations during early follicular development in beef cattle: I. Characteristics of LH secretion and oocyte quality by Abreu, F.M., Coutinho da Silva, M.A., Cruppe, L.H., Mussard, M.L., Bridges, G.A., Harstine, B.R., Smith, G.W., Geary, T.W., Day, M.L.

“…Objective was to investigate the effect of different progesterone (P4) concentrations during early follicular development on luteinizing hormone (LH) secretion…”
Get full text

Role of progesterone concentrations during early follicular development in beef cattle: II. Ovulatory follicle growth and pregnancy rates by Abreu, F.M., Geary, T.W., Coutinho da Silva, M.A., Cruppe, L.H., Mussard, M.L., Madsen, C.A., Martins, T., Bridges, G.A., Harstine, B.R., Day, M.L.

“…Two experiments were conducted to investigate the role of relatively lesser and greater progesterone (P4) concentrations during early follicular development on…”
Get full text

Impact of a timed-release FSH treatment from 2 to 6 months of age in bulls I: Endocrine and testicular development of beef bulls by Harstine, B.R., Cruppe, L.H., Abreu, F.M., Rodrigues, A.D., Premanandan, C., DeJarnette, J.M., Day, M.L.

“…In prepubertal males, FSH facilitates Sertoli cell proliferation and testis maturation. The study aimed to determine the effect of an exogenous FSH treatment…”
Get full text

Impact of a timed-release FSH treatment from 2 to 6 months of age in bulls II: Endocrinology, puberty attainment, and mature sperm production in Holstein bulls by Harstine, B.R., Cruppe, L.H., Abreu, F.M., Rodrigues, A.D., DeJarnette, J.M., Day, M.L.

“…The use of genomic testing in the cattle industries has renewed an interest in hastening bull puberty. In prepubertal males, FSH facilitates Sertoli cell…”
Get full text