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《Oceanologia et Limnologia Sinica》 2016-01
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HISTOLOGY OF OVARIAN DEVELOPMENT OF CRIMSON SNAPPER LUTJANUS ERYTHOPTERUS

LIU Hao;ZHANG Yu-Hong;LUO Jie;LIU Chu-Wu;LIU Li;Fisheries College, Guangdong Ocean University, Key Laboratory of Aquaculture in South China Sea for Aquatic Economic Animal of Guangdong Higher Education Institutes;  
To understand the reproduction and provide reference for artificial propagation and breeding, histology of the ovary development of crimson snapper Lutjanus erythopterus was studied, for which paraffin section and hematoxylin-eosin staining were applied. The results show that during the ovary development to growth maturation, i.e., from the first stage to the fourth stage, germ cell development could be divided into 4 phases, named as the first(oogonia), second, third, and fourth. Degenerated oocytes were observed in all but the first stages. 4—6-month-old ovary differentiated completely with the formation of ovarian cavity, having oogonia and intersititial cells only. 8—25-month-old ovary contained mainly phase II oocytes and oogonia, with a few phase III oocytes. Ovary older than 25 months was said entering stage 3, in which phase Ⅲoocytes dominated with some phase Ⅱ oocytes and oogonia, and a small amount of phase oocytes. 2.5Ⅳ —3 year-old ovary is defined reaching stage 4, in which most of oocytes were in phase Ⅳ and Ⅲ, and occasionally in phase Ⅱ; and a few oogonia scattered.
【Fund】: 国家自然科学基金项目 31101904号;; 湛江市科技计划资助项目 2015B01074号;; 广东海洋大学创新强校项目 GDOU2013050307号
【CateGory Index】: S917.4
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