Gorilla hormon szteroid
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Testosterone and reproductive effort in male primates - PMC">Testosterone and reproductive effort in male primates - PMC. Substantial evidence suggests that the primary role of the steroid hormone testosterone is to promote reproductive effort, at the expense of long-term survival (Hau 2007; Ketterson & Nolan 1992, 1999). For example, testosterone drives the process of male genital development and supports sperm production (Dixson 2012, Weinbauer et al
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. Circulating levels of steroid and protein hormones were measured in 17 adult male lowland gorillas (Gorilla gorilla). The population included both fertile and infertile males as identified by previous siring of offspring and presence or absence of spermatozoa in the ejaculate obtained by rectal probe electrostimulation.
szutyejev a gomba alatt
eufória 2.évad 2.rész
. The reproductive status of female gorillas ( Gorilla gorilla gorilla) was estimated by measuring the sex steroid hormones in fecal samples instead of in blood samples. Fecal samples from female gorillas were used to examine the reliability of this non-invasive assay system, which included the extraction method for estradiol-17β (E 2 .. Monitoring the Reproductive Status of Female Gorillas .. The reproductive status of emale gorillas (Gorilla gorilla gorilla) was estimated bymeasur-ing sex the steroid hormones in fecal samples of in blood samples
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. instead Fecal from female samples gorillas were u ed toexamine the reliability of this non-invasive assayystem, which included thextrac-tion method forestradiol-1713 (E2) and progesterone f.. gorilla (Gorilla gorilla): Relationship .">Fertility in the male gorilla (Gorilla gorilla): Relationship .
marathon csiszológép
. Abstract Circulating levels of steroid and protein hormones were measured in 17 adult male lowland gorillas (Gorilla gorilla)
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. GORILLA (GORILLA .">CYCLICITY, AND PREGNANCY IN THE LOWLAND GORILLA (GORILLA .. Key words: Gorilla gorilla, urinary hormones, estrone conjugates, pregnanediol-glucuronide, pu berty, pregnancy
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. INTRODUCTION Immunoassay of urinary estrogen and progesterone metabolites is useful for mon itoring menstrual cyclicity4-79-111315181922 and diagnosing pregnancy21124 in lowland gorillas {Gorilla gorilla). This method is. Hormonal Cycles in Geriatric Gorilla gorilla gorilla">Sexual and Hormonal Cycles in Geriatric Gorilla gorilla gorilla. We present results from a nationwide zoo-based study on behavioral and hormonal changes in female western gorillas. We evaluated progestogen concentrations via daily fecal sampling in 30 gorillas .
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. Abstract
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. Prolonged stress responses can lead to infertility and death; therefore monitoring respective indicators like stress-related hormones and behaviors is an important tool in ensuring the health and well-being among zoo-housed animal populations.
