Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Janine L. Brown"'
Autor:
Janine L. Brown, S. J. Romo, Justine Kellie O'brien, A. Bellem, J. L. Kroll, Terri L. Roth, M. A. McRae
Publikováno v:
Reproduction. :139-149
Longitudinal ultrasound and endocrine evaluations were conducted in two adult female Sumatran rhinoceroses (Dicerorhinus sumatrensis) over a period of 12-22 months to learn more about their reproductive physiology. Rectal ultrasonography was conducte
Autor:
Janine L. Brown, Linda Munson, Craig Packer, David E. Wildt, D. Janssen, S. M. Reiziss, Mitchell Bush
Publikováno v:
Reproduction. 108:11-15
Reduced genetic variability is known to adversely affect ejaculate quality in inbred lions (Panthera leo) physically isolated in the Ngorongoro Crater compared with outbred lions inhabiting the adjacent Serengeti Plains in East Africa. This study com
Autor:
Janine L. Brown, Laura H. Graham, JoGayle Howard, David E. Wildt, K. L. Goodrowe, Nadja Wielebnowski, S. Wells
Publikováno v:
Reproduction. 106:337-346
Faecal oestradiol and progestogen metabolite excretion was monitored in adult, female cheetahs (Acinonyx jubatus) (n = 26) for 1-24 months. Increased faecal oestradiol excretion was associated with mating or equine chorionic gonadotrophin (eCG) admin
Publikováno v:
Reproduction. 99:627-634
We tested the ability of several GnRH analogues to suppress pituitary\p=n-\testicularactivity and potentially musth in free-ranging African elephants (Loxodonta africana). In Study 1, adult bulls were given 4 or 12 mg GnRH antagonist (Detirelix) or s
Autor:
Janine L. Brown, M. Bush, L. R. Williamson, Christen M. Wemmer, Astrid Vargas, T. C. Wood, Steven L. Monfort, David E. Wildt, Richard J. Montali
Publikováno v:
Reproduction. 98:471-480
Blood samples, morphometric measurements and behavioural data were collected weekly for 52 weeks from six adult Eld's deer stags exposed to natural fluctuations in photoperiod (38 degrees N latitude). Mean (+/- SEM) serum LH concentrations reached pe
Autor:
Janine L. Brown, T. C. Wood, Astrid Vargas, L. R. Williamson, Steven L. Monfort, Christen M. Wemmer, David E. Wildt
Publikováno v:
Reproduction. 98:481-488
Plasma LH, FSH and testosterone were measured in blood samples collected via remote catheterization from six adult Eld's deer stags every 10 min for 8 h before and 2 h after GnRH (1 microgram kg-1, i.v.) administration. Blood samples were collected w
Autor:
Anne E. Pusey, Craig Packer, Janine L. Brown, Stephen J. O'Brien, Donald L. Janssen, M. Bush, David E. Wildt, Steven L. Monfort
Publikováno v:
Reproduction. 97:107-114
Pituitary responses to gonadotrophin-releasing hormone (GnRH) and prolactin and steroid secretory profiles were examined in two populations of adult, female lions in the Serengeti (one outbred in the Serengeti Plains and one inbred in the Ngorongoro
Publikováno v:
Reproduction. 93:19-30
Ewes were treated with exogenous follicle-stimulating hormone (FSH) and oestrus was synchronized using either a dual prostaglandin F-2 alpha (PGF-2 alpha) injection regimen or pessaries impregnated with medroxy progesterone acetate (MAP). Natural cyc
Autor:
Christen M. Wemmer, Janine L. Brown, Mitchell Bush, Steven L. Monfort, David E. Wildt, T. H. Kepler
Publikováno v:
Reproduction. 88:271-281
Direct radioimmunoassays (RIA) for urinary oestrone conjugates and pregnanediol-3 alpha-glucuronide (PdG) were used to study ovarian activity patterns and pregnancy in Eld's deer. In 2 does, urinary metabolite patterns were compared to temporal patte
Publikováno v:
Reproduction. 82:227-236
Frequent blood samples were collected to study hormonal responses to GnRH in male and female leopards and tigers. Animals were anaesthetized with ketamine-HCl and blood samples were collected every 5 min for 15 min before and 160 min after i.v. admin