尼罗鱼(Oreochromis niloticus)骨骼发育的温度敏感性

Iranian Journal of Ichthyology Pub Date : 2019-06-25 DOI:10.22034/IJI.V6I2.300

Mazaher Zamani-Faradonbe, Y. Keivany

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引用次数: 0

摘要

研究了尼罗罗非鱼(Oreochromis niloticus)背鳍、肛鳍、尾鳍和轴骨软骨和骨结构在22、28和34℃三种温度下的发育情况。在孵化至孵化后39天的发育阶段，定期采集鱼类样本。评估骨和软骨的发育情况。结果表明，三种处理中这些骨骼元素的发育和出现的模式和顺序相似，不同的是骨骼元素出现和骨化的时间。34℃处理的样品开始和结束骨形成的时间较早，但22℃处理的这一过程非常晚。温度对软骨形成和骨化的发生和结束有深远的影响;22℃处理的这些影响比其他处理严重。在所有温度处理下，软骨形成和骨化过程的序列都很好地保守。

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Temperature sensitivity of skeletal development in Oreochromis niloticus (Teleostei: Cichlidae)

The development of cartilaginous and osteological structures of the dorsal, anal and caudal fins, and axial skeleton in Nile tilapia ( Oreochromis niloticus ) was studied under three temperature treatments (22, 28 and 34oC). Fish samples were collected periodically during the developmental stage from hatching up to 39 days post hatching. Bone and cartilage development were evaluated. The results showed that the pattern and sequence of development and appearance of these elements in the three treatments are similar, and the difference is in timing of appearance and ossification of skeletal elements. Samples from 34oC started and ended bone formation earlier, but these process in 22oC treatment was very late. The temperature on the onset and end of chondrogenesis and ossification had a profound effect; these effects on 22oC treatment were severe than other treatments. The sequences of the chondrogenesis and ossification process was well conserved at all temperature treatments.

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来源期刊

Iranian Journal of Ichthyology Agricultural and Biological Sciences-Aquatic Science

CiteScore

0.70

自引率

0.00%

发文量

期刊介绍： Iranian Journal of Ichthyology (IJI) is a peer-reviewed journal for publication of high quality papers on any aspect of ichthyology and will be published 4 times a year by the Iranian Society of Ichthyology (http://www.isi-org.ir). The journal welcomes the submission of manuscripts that meets the general criteria of significance and scientific excellence, and will publish original scientific articles in the fields of ichthyology. The editors welcome the submission of original manuscripts including Research Articles, Short communications, and Views & News. Review papers by distinguished authors and Special Issues will also be considered. It is our aim to provide the international scientific community with an efficiently published journal, meeting high scientific and technical standards. Scopes of Iranian Journal of Ichthyology includes: Systematics, taxonomy, morphology, anatomy, biogeography, biodiversity, conservation, ecology and general biology of fishes (reproduction, food and feeding habits, age and growth, population dynamics, etc.). Papers on freshwater, brackish, marine and fossil fishes will be considered.