Zobrazeno 1 - 10
of 126
pro vyhledávání: '"R.M. Liptrap"'
Publikováno v:
Theriogenology. 52:923-937
The objectives of this study were to evaluate ovarian changes in cows with follicular ovarian cysts following treatment with either GnRH or saline. The parameters determined were the intervals from treatment to observation of a CL and from treatment
Publikováno v:
Theriogenology. 45:1429-1441
Autor:
M.M Viveiros, R.M. Liptrap
Publikováno v:
Animal Reproduction Science. 40:107-119
To assess the possible influence of increased endogenous glucocorticoid levels on ovarian function, gilts were treated with either adrenocorticotrophic hormone (ACTH) or saline during the luteal phase of the oestrous cycle, from day 9 to day 14, and
Publikováno v:
Theriogenology. 38:1033-1041
Ten bulls with a scrotal circumference of less than 30 cm at the end of growth performance testing, and 10 cohorts of the same age, size and breed type with a scrotal circumference greater than 30 cm were used to evaluate if testosterone response fol
Autor:
R.M. Liptrap, E. Cummings
Publikováno v:
Animal Reproduction Science. 26:303-310
The effect of injecting the glucocorticoid, dexamethasone (DXM), on ovarian follicular development and steroid concentrations in the sow was investigated. Control sows were injected with 1 ml physiological saline solution i.m. and treated sows were i
Publikováno v:
Theriogenology. 35:1121-1129
Ovarian steroids, luteal oxytocin and uterine prostaglandin F2 alpha (PGF2 alpha) interact to regulate luteolysis in the cow. Since persistent corpora lutea are characteristic in cows with pyometra, the positive feedback relationship between oxytocin
Publikováno v:
Animal Reproduction Science. 23:181-195
Superovulated mature Holstein heifers were ovariectomized at the expected time of ovulation in order to recover preovulatory follicles. Follicular fluid steroid concentrations from all follicles 8 mm and greater in diameter were determined and correl
Publikováno v:
Reproduction in Domestic Animals. 25:158-166
Contents Two experiments were undertaken on cultured bovine oocyte-cumulus complexes (OCC) with estradiol-17β (E2), follicle-stimulating hormone (FSH) and luteinizing hormone (LH) added separately, simultaneously or sequentially to culture media wit
Publikováno v:
Animal Reproduction Science. 22:181-201
Gonadal morphology and steroidogenic patterns of female bovine fetuses in twin pregnancies were compared with those of single male and female fetuses to determine the morphogenetic and functional correlates of ovarian alteration in freemartins. In ma
Publikováno v:
Comparative Biochemistry and Physiology Part A: Physiology. 96:131-134
1. Haematological parameters and biochemical analytes were determined in four elephants over a period of one year. 2. The haematological profile remained constant over time and was similar between animals. 3. Values for biochemical analytes were stab