نتایج جستجو برای: electroejaculation
تعداد نتایج: 149 فیلتر نتایج به سال:
Great apes are mammals close to humans in their genetic, behavioral, social and evolutionary characteristics and new genomic information is revolutionizing our understanding of evolution in primates. However, all these species are endangered. While there are many global programs to protect these species, the International Union for Conservation of Nature (IUCN) projects that in a near future th...
BACKGROUND Development of a reproducible baboon in vitro fertilization (IVF) system require optimized and reproducible sperm parameters. The objective of this study was to document basic spermatology values and investigate the reproducibility of these variables in the same baboons 1 or 3 months later in a larger number of baboons. METHODS In this prospective study, sperm quality (semen volume...
We collected semen from a male Amur leopard cat using the transrectal electroejaculation method and investigated the semen qualities for about four years. In addition, the influence of the season on the spermatogenic function of the Amur leopard cat was investigated with regard to the semen qualities, testicular volume and serum testosterone level. As a result, we could collect semen with good ...
Artificial insemination was used in an attempt to breed three groups of Brahman cross cows on two properties in north Queensland. On one property the attempt was abandoned due to low incidence of detected oestrus in lactating cows. On the other property calving rates following insemination were 20.8% and 16.4% over two years. Vibriosis was one cause of low fertility. Semen was collected satisfa...
This paper gives a general view of examinations and measures taken at Berlin Zoo to enhance natural and artificial breeding efforts in different rhino species. Altogether 8 anaesthesias are described which were executed in a White-, an Indian, and 3 Black rhinoceroses. Semen was collected by means of electroejaculation from an aged Black and White rhinoceros. One female Black rhino was artifici...
Adrenal-testicular-pituitary relationships in the cheetah subjected to anesthesia/electroejaculation
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