Testicular Morphohistology of Hypsiboas pulchellus (Amphibia, Hylidae) During the Breeding Season
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چکیده
منابع مشابه
Spargana in the Neotropical frog Hypsiboas pulchellus (Hylidae) from Uruguay
We report the first record of parasitic larval tapeworms of the genus Spirometra (sparganum) in the frog Hypsiboas pulchellus. A total of 139 frogs were collected in Uruguay, and two of them presented a single sparganum (1.4%). One sparganum was found free into the coelomic cavity, and the other was located under the skin and in the coelomic cavity. The relevance of this finding in Uruguayan am...
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The larval morphology of Hypsiboas leptolineatus was studied. The tadpole has an ovoid body in lateral view, wider than deep; snout rounded with dorsal reniform nostrils; spiracle sinistral with lateral wall attached to body; anal tube dextral; tail fins convex with acuminate tip; oral disc ventral; labial tooth row formula is 2(2)/3(1); moderately developed beaks with serrated jaw sheaths. The...
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In order to elucidate the relationship between androgens and the function of the muskrat (Ondatra zibethicus) scented glands during the breeding season, we investigated immunolocalization of steroidogenic enzymes P450scc, 3βHSD and P450c17 in the muskrat testes and scented glands. Nine adult muskrats were obtained in March (n=3), May (n=3) and July (n=3) 2010. Steroidogenic enzymes were immunol...
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One hundred female Markhoz goats (42±5 kg) were used to investigate the ‘male effect’ on estrous synchronization and reproductive characteristics of female goat during the breeding season. This was carried out in three separate experiments. In the first experiment, forty female goats were used in 4 groups with different distance from the male goats (i.e. source of pheromone secretion); A1 (1 me...
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This study was carried out at Sakha Animal Production Research Station, during the period from Oct., 2009 to Sept., 2010. Forty Rahmani ewes were divided into three treatment groups: the 1st, 2nd and 3rd treatment groups were intramuscularly injected (Day 0) with 1 mL GnRH analogue followed by an intramuscular injection with 0.7 mL PGF2α5 (G1), 6 (G2) or 7 (G3) days later. A second dose of 1 mL...
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ژورنال
عنوان ژورنال: Acta Biológica Colombiana
سال: 2014
ISSN: 1900-1649,0120-548X
DOI: 10.15446/abc.v20n1.42978