A new type of hybrid golden pompano “Chenhai No.1” produced by the hybridization of (Trachinotus ovatus ♀ × Trachinotus blochii ♂) ♀ × T. ovatus ♂

Reproduction and breeding Pub Date : 2022-09-01 DOI:10.1016/j.repbre.2022.06.001

Chang Wu , Jian Li , Chunyou Cai , Qinbo Qin , Chunren Huang , Zhennian Chen , Fangzhou Hu , Jingjie Hu , Hai Huang , Jian Luo , Liu Cao , Qian Chen , Xu Huang , Chenchen Tang , Yousen Cai , Jianshun Cai , Sichuan Cai , Huiming Cai , Yibin Chen , Yang Yang , Shaojun Liu

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引用次数: 1

Abstract

Distant hybridization is a traditional and effective technology in fish genetic breeding. In this study, we reported a new type of golden pompano (Named as Chenhai No.1) produced by the distant hybridization of (Trachinotus ovatus ♀ × T. blochii ♂) ♀ × T. ovatus ♂. The results regarding DNA content, chromosomal number, and morphological traits showed that “Chenhai No.1” was a diploid hybrid with 48 chromosomes, and presented a hybrid appearance compared with those in its parents. Meanwhile, all detected “Chenhai No.1” including males and females showed the normal gonadal structure and could produce offspring by self-crossing at 3 years old. In addition, the growth rate of “Chenhai No.1” was 35.52% faster than T. ovatus. In conclusion, the fertile “Chenhai No.1” with faster growth rate provided a superior germplasm resource, which will further promote the industrial development of golden pompano.

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由(Trachinotus ovatus♀× Trachinotus blochii♂)♀× T. ovatus♂杂交产生的杂交金鲳鱼新品种“辰海1号”

远缘杂交是鱼类遗传育种中传统而有效的技术。本文报道了一种由(Trachinotus ovatus♀× T)远缘杂交产生的金鲳鱼新品种陈海1号。斑蝶♂♀× T;ovatus♂。DNA含量、染色体数目和形态性状分析结果表明，“辰海1号”为二倍体杂交种，有48条染色体，与亲本相比具有杂种特征。同时，检测到的“辰海1号”雌雄均表现出正常的性腺结构，在3岁时均能通过自交繁殖后代。此外，“辰海1号”的生长速度比卵圆螟快35.52%。综上所述，生育力强、生长速度快的“辰海1号”提供了优越的种质资源，将进一步促进金鲳鱼的产业化发展。

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Reproduction and breeding

CiteScore

2.40

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0.00%

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