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Differences in Growth Performance and Meat Quality between Male and Female Juvenile Nile Tilapia (Oreochromis niloticus) during Separate Rearing

文献类型： 外文期刊

作者： Sayouh, Mohamad 1 ; Ali, Masoud 3 ; Li, Yan 1 ; Tao, Yi-Fan 1 ; Lu, Si-Qi 1 ; Qiang, Jun 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Nanjing Agr Univ, Wuxi Fisheries Coll, Freshwater Fisheries Res Ctr, Wuxi 214081, Peoples R China

2.Res Ctr Gen Author Fish Resources & Aquat Life, Tartous 96343, Syria

3.Zanzibar Fisheries & Marine Resources Res Inst, Zanzibar, Tanzania

4.Minist Agr & Rural Affairs, Key Lab Freshwater Fisheries & Germplasm Resources, Wuxi 214081, Peoples R China

关键词： Nile tilapia; growth performance; meat quality; RAS system

期刊名称：ANIMALS （ 影响因子：2.7； 五年影响因子：3.2 ）

ISSN： 2076-2615

年卷期： 2024 年 14 卷 20 期

页码：

收录情况： SCI

摘要： Simple Summary This study compared the growth and meat quality of juvenile male and female Nile tilapia. Males grew bigger and heavier, while females excelled in feed conversion. Males had more crude fat and ash, but moisture and protein levels were unchanged. Amino acid profiles were similar overall, though females had an advantage in non-essential amino acids.Abstract This study compared the growth and flesh quality of juvenile male and female Nile tilapia grown in separate RAS tanks. The Genetic Sex Determination method yielded 40 males and 40 females. Males grew longer and heavier than females, and the results showed significant variation between the sexes in terms of weight gain rate (WGR), specific growth rate (SGR), and final body length and weight. In terms of the feed conversion ratio (FCR), Gonad Somatic Index (GSI), and Viscera Somatic Index (VSI), females presented better results than males. Male and female Hepatosomatic Index (HSI) values did not differ significantly-no difference in blood serum values. The meat's moisture and crude protein composition did not alter significantly from male to female; however, the crude fat and ash levels did differ significantly. Male and female animals were given the same seventeen distinct types of amino acids, and there was no distinct variation in the profiles of total amino acids (TAAs) and essential amino acids (EAAs) between the sexes. However, in the non-essential amino acid (NEAA) category, there were marginally significant differences, wherein females performed better than males. Males and females differed considerably in crude fat and ash levels but not in the moisture content or crude protein composition of the meat. Regarding fatty acids, males outperformed females in terms of total fatty acids (TFAs), polyunsaturated fatty acids (PUFAs), and saturated fatty acids (SFAs). However, no significant difference in the amount of monounsaturated fatty acids (MUFAs) in muscle was found between males and females.

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