Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Dan C. Sharp"'
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
This work examined how the conceptus modulates endometrial tissue remodeling and vascular development prior to implantation in mares. A macroscopic uterine examination was completed at day 21 of pregnancy.In situmorphology revealed that the endometri
Publikováno v:
Equine Veterinary Journal. 21:25-28
Summary In the mare, there is a high incidence of early embryonic mortality which corresponds to early conceptus development and the time of maternal recognition of pregnancy. The need for synchrony between the developing conceptus and the uterine en
Autor:
Dan C. Sharp, McDowell Kj
Publikováno v:
Equine Veterinary Journal. 17:19-22
Summary An experiment was undertaken to determine whether the equine conceptus inhibits production of prostaglandin F2α in the pregnant mare. Endometrial tissue was obtained from two normally cycling mares and conceptus membranes were obtained from
Publikováno v:
Equine Veterinary Journal. 21:49-55
Summary Ovariectomised, progesterone-treated mares were used to test the effect of two different durations of progesterone treatment on pregnancy rate after embryo transfer, and to examine the effect of duration of progesterone treatment on the secre
Publikováno v:
Theriogenology. 55:1095-1106
The potential involvement of ovarian factors in regulating GnRH and LH postovulation was studied in ovarian intact (Group 1; n=3) and ovariectomized (OVX; Group 2; n=3) mares (OVX within 12 hr of ovulation). Blood samples were collected every 10 min
Publikováno v:
Equine Veterinary Journal. 21:7-9
Summary To investigate the possibility that an interferon-like protein similar to ovine trophoblast protein 1 (oTP-1) is involved in the maternal recognition of pregnancy in the horse, conceptus membranes were cultured in the presence of a radioactiv
Autor:
Dan C. Sharp
Publikováno v:
Animal Reproduction Science. :679-689
This paper will discuss development of the equine conceptus, especially from the perspective of the maternal environment in which it develops and to which it has considerable influence.
Publikováno v:
Theriogenology. 49:1125-1142
The effects of melatonin implant treatment over a 4 wk period at the summer solstice on the transition into and out of the following anovulatory season were evaluated in ovary-intact and ovariectomized mares. Melatonin implants tended to delay the ti
Publikováno v:
Theriogenology. 48:893-906
The objective of this study was to determine whether supplemental beta-carotene would influence reproductive function in mares maintained on spring and summer pastures and to characterize plasma carotene concentrations during the estrous cycle. Carot
Publikováno v:
Domestic Animal Endocrinology. 14:275-285
Hourly pulses of gonadotropin-releasing hormone (GnRH) or bi-daily injections of estradiol (E2) can increase luteinizing hormone (LH) secretion in ovariectomized, anestrous pony mares. However, the site (pituitary versus hypothalamus) of positive fee