Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Janine L. Brown"'
Autor:
Herman M. Schoenemann, Gladys K. Tarnavsky, Jerry J. Reeves, Janine L. Brown, Bruce E. Melson
Publikováno v:
Journal of Animal Science. 62:199-207
The objective of this study was to try to depress serum testosterone (T) in bulls by prolonged treatment with a potent luteinizing hormone-releasing hormone (LHRH) agonist. Eight sexually mature bulls (325 to 475 kg) were assigned to treatment or con
Publikováno v:
Journal of Animal Science. 54:938-944
The objective was to determine the relationship between thawing time and post-thaw temperature when the final temperature of the semen was brought to 40 C. One ejaculate from each of 12 dairy bulls was packaged in .5-ml French straws. Semen in five s
Autor:
T. E. Platt, D. L. Hamernik, B. Acosta, Jerry J. Reeves, Gladys K. Tarnavsky, Herman M. Schoenemann, Janine L. Brown
Publikováno v:
Journal of Animal Science. 57:1530-1536
Twenty-three crossbred beef cows between 4 and 5 yr of age were assigned at random to one of six treatments: (1) ovariectomized 4 d postpartum (OVX) with early weaning of calves 21 d postpartum (OVX-EW; n = 4), (2) OVX-EW and 17 beta-estradiol implan
Publikováno v:
Journal of Animal Science. 60:532-536
In domestic animals limited data are available concerning levels of pituitary luteinizing hormone-releasing hormone (LHRH) receptors during various physiological states. The objectives of this study were to quantify anterior pituitary gonadotropin an
Publikováno v:
Journal of Animal Science. 62:1063-1071
This experiment was conducted to 1) determine whether chronic cystic-ovarian-diseased (CCOD) cows fail to respond to luteinizing hormone (LH) treatment because of a lack of adequate ovarian LH receptors and 2) determine the effect of follicle stimula
Publikováno v:
Journal of animal science. 65(6)
The effects of hemi-castration upon compensatory hypertrophy, serum gonadotropin and testosterone concentrations, testicular gonadotropin receptors and daily sperm production (DSP) were studied in 10 crossbred ram lambs. At 4 mo of age lambs were eit