Zobrazeno 1 - 10
of 34
pro vyhledávání: '"N. Jeanguyot"'
Autor:
Patrice Humblot, F Badinand, N. Jeanguyot, Claire Ponsart, A Morel, M Lafri, M. Nibart, M Durand, K. de Mari
Publikováno v:
Theriogenology. 58:1141-1151
One of the major sources of success in embryo transfer is timing of AI relative to the LH surge and ovulation. The aim of this study was to compare the embryo production following superovulation during a PGF2alpha (control cycle) or a CIDR-B synchron
Publikováno v:
Journal of Veterinary Medicine Series A. 48:331-336
The relationship between placental retention, progesterone and pregnancy-specific protein B (bPSPB) was determined in 60 calving Holstein cows. The cows were divided into two groups with placental retention (WPR, n = 16) and no placental retention (N
Publikováno v:
Reproduction Nutrition Development
Reproduction Nutrition Development, EDP Sciences, 1997, 37 (2), pp.129-140
Reproduction Nutrition Development, EDP Sciences, 1997, 37 (2), pp.129-140
Energy status, follicular growth, oestradiol and LH secretion were investigated in 17 suckled Charolais cows synchronised 59.0 +/- 3.6 days after calving with a 10 day ear implant containing 3 mg of Norgestomet. The cows received 3 mg of Norgestomet
Autor:
A.E.M. Horta, J. Chagas e Silva, N. Jeanguyot, Patrice Humblot, Luís Lopes-da-Costa, M.C. Deloche
Publikováno v:
Theriogenology. 76(3)
The objectives of this study were to evaluate embryonic size and survival, plasma progesterone (P4) and pregnancy-specific protein bovine (PSPB) concentrations in early pregnancies (n = 99) following the transfer of one whole (n = 66) or one demi (n
Autor:
F. Tetedoie, N. Jeanguyot, G. De Montigny, R. G. Sasser, M. Thibier, Patrice Humblot, B. Payen
Publikováno v:
Reproduction. 89:205-212
The 34 French Alpine dairy goats originated from a single flock and were artificially inseminated 44 h after synchronization of oestrus. They were bled daily at the jugular vein from 15 to 27 days after AI. An early pregnancy diagnosis by RIA of prog
Autor:
Catherine Joly, P. Humblot, Bénédicte Grimard, Andrew Ponter, S. Freret, Christine Ficheux, N. Jeanguyot, Claire Ponsart
Publikováno v:
Reproduction, Fertility and Development. 16:254
This study aimed to investigate the hormonal and metabolic status of heifers subjected to short-term variation of energy intake and associated growth rate;; oocytes were collected by ovum pick-up (OPU) for in vitro embryo production. Experimental sch
Publikováno v:
Theriogenology. 51:410
Autor:
Sylvaine Camous, G. Sasser, M. Thibier, Jacques Martal, Patrice Humblot, J. Charlery, N. Jeanguyot
Publikováno v:
Theriogenology. 30:257-267
The accuracy and efficiency of progesterone (P4) and bovine pregnancy-specific protein B (bPSPB) radioimmunoassays (RIA) in detecting pregnant and nonpregnant dairy cows were compared at different stages of pregnancy. The study included 145 French Fr
Publikováno v:
Theriogenology. 17:423-431
Blood and milk samples from foremilk during afternoon milking, were simultaneously collected from 285 dairy goats. In experiment 1, fiva cyclic goats were sampled daily for 21 days. In experiment 2, 280 females from 9 flocks were submitted to samplin
Publikováno v:
Journal of dairy science. 64(3)
Two large flocks of 60 and 120 French Alpine dairy does were studied beginning in late June. Estrous behavior was checked daily in the presence of bucks, and numerous blood and milk samples were collected. The end of the anestrus was characterized by