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Estrous behavior and the estrus-to-ovulation interval in Nelore cattle (Bos indicus) with natural estrus or estrus induced with prostaglandin F2 alpha or norgestomet and estradiol valerate
(Elsevier B.V., 1998-02-01)
Estrous behavior and the estrus-to-ovulation interval are essential for estimating the best time to artificially inseminate cattle. Because these parameters are not well characterized in the Nelore breed (Bos indicus), the ...
Histrelin acetate-induced ovulation in Brazilian Northeastern jennies (Equus asinus) with different follicle diameters
(2019-09-15)
The aim of the present study was to evaluate the efficacy of a GnRH analog for induction of ovulation in Brazilian Northeastern jennies (Equus asinus) with different follicle diameters. Four consecutive estrus of 10 jennies ...
Induction of Ovulation in Mangalarga Marchador Mares by hCG or GnRH
(Universidade Federal do Rio Grande do Sul, 2018)
Induction of double ovulation in mares using deslorelin acetate
(Elsevier B.V., 2012-12-01)
This study aimed to determine whether deslorelin acetate could induce double ovulation in mares. In Experiment 1, eight mares were treated with prostaglandin on Day 8 (D8) after ovulation, then treated with saline or with ...
Development and fate of the postovulatory follicle complex, postovulatory follicle, and observations on folliculogenesis and oocyte atresia in ovulated common snook, Centropomus undecimalis (Bloch, 1792)
(2017-04-01)
The common snook, Centropomus undecimalis, was induced to ovulate using a time-release, GnRH analogue. Ovulation occurred the afternoon or evening the day after hormone administration. The time of ovulation was established ...
The use of mGnRHa provokes ovulation but not viable embryos in Leporinus macrocephalus
(2017-04-01)
In rheophilic tropical fish, the use of carp pituitary extract (CPE) is still the main protocol since the use of gonadotropin-releasing hormone (GnRH) induces ovulation, but usually does not provide viable embryos. Thus, ...
Estradiol-17β Injection Induces Ovulation in Llamas
(Frontiers Media S.A., 2020-10)
This study aimed to investigate the effect of three different doses of estradiol-17b onovulation and subsequent luteal development and function in llamas. Twenty-three llamaswere examined daily by transrectal ultrasonography ...