Studies on reproductive rhythms of fishes. XVII Annual reproductive cycle in an autumn-spawning bitterling Acheilognathus rhombea.
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منابع مشابه
Annual Reproductive Cycle of Acheilognathus majusculus, a Korean Endemic Species
An experiment was conducted to investigate the annual reproductive cycle of a Korean endemic species, Acheilognathus majusculus, from Jeokseong-myeon located in Seomjin River. The reproductive cycle is examined histologically regarding water temperature and day length of the habitat, the gonadosomatic index (GSI), the female ovipositor length index (OLI), monthly variation in egg diameter distr...
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Genotyping of endangered species is helpful for establishing and evaluating conservation strategies. Mitochondrial sequence data was analyzed from 541 individuals of a critically endangered fish, Acheilognathus typus from present-day range-wide localities to re-evaluate an in-progress restoration program around Lake Izunuma-Uchinuma, Miyagi, Japan. Acheilognathus typus showed low sequence diver...
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The annual reproductive cycles of the Japanese sipunculans Siphonosoma cumanense (Keferstein) and Phascolosoma scolops (Selenka, de Man & Biilow) were studied based on size, density, and frequency distribution of gametes from May 1989 to November 1990 and October 1989 to February 1991, respectively. Aliquots from the total volume of the diluted coelomic fluid from each individual were analyzed....
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Reproductive organ development, plasma sex steroid concentrations and fur growth patterns were determined for pubescent and adult mink of both sexes, at 1tc~ 8-week intervals, between July and the following June. Plasma estradiol concentrations and weights (mg/kg) of ovaries, oviducts and uteri decreased slightly in both pubescent and adult females during the first half of anestrus (July to Oct...
متن کامل30th Annual Minisymposium on Reproductive Biology
* Presenting author underlined 9:00 AM T1 Identification of a unique integrator of the mitogenic effects of steroid hormone and growth factor pathways in the mammary gland and a potential oncogene of breast tumorigenesis, L. Anandan, Q. Li2, A. Kannan, J.P. Lydon, I.C. Bagchi, M.C. Bagchi, Department of Molecular & Integrative Physiology, Department of Veterinary Bioscience, University of Illin...
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ژورنال
عنوان ژورنال: NIPPON SUISAN GAKKAISHI
سال: 1987
ISSN: 1349-998X,0021-5392
DOI: 10.2331/suisan.53.529