Length-weight relationship and condition factor of Nile tilapia ( Oreochromis niloticus) fed diets supplemented with guava and star gooseberry leaf extract.

Q2 Pharmacology, Toxicology and Pharmaceutics

F1000Research Pub Date : 2024-10-23 eCollection Date: 2024-01-01 DOI:10.12688/f1000research.145369.1

Manoj Tukaram Kamble, Krishna Rugmini Salin, Balasaheb Ramdas Chavan, Seema Vijay Medhe, Kim D Thompson, Nopadon Pirarat

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引用次数: 0

Abstract

Background: Nile tilapia ( Oreochromis niloticus) is predominant cultured species in aquaculture. However, there is a scarcity of literature regarding relationship between guava and star gooseberry leaf extract and the condition factor. Thus, the present study aims to investigate the effect of guava and star gooseberry leaf extract-supplemented diets on the specific growth rate, length-weight relationship, and condition factor of Nile tilapia.

Methods: Six hundred and thirty Nile tilapia (8.7±0.4 g) were randomly distributed among twenty-one tanks (30 fish per tank) within a recirculation system. Over a 60-day period, the fish were fed diets supplemented with 5g/Kg and 10g/Kg of guava leaf extract (GLE-5, GLE-10), star gooseberry leaf extract (SGLE-5, SGLE-10), and a mixture of both (MxLE-5, MXLE-10). Subsequently, specific growth rate, length-weight relationship, and condition factor were determined.

Results: After 60 days, the specific growth rate was significantly higher in all the GLE, SGLE, and MxLE groups compared to the control group. The final lengths and weights differed significantly both in the control group and all the GLE, SGLE, and MxLE groups. The analysis of the regression equation indicated a positive correlation (r = 0.970, 0.977, 0.976, 0.974, 0.974, 0.974, and 0.969) between the length and weight of Nile tilapia in the control group and in all the GLE, SGLE, and MxLE groups. The regression exponent " b" values in all the GLE, SGLE, and MxLE groups were >3, indicating a positive allometric growth pattern in Nile tilapia compared to the control ( b=2.866), which exhibited a negative allometry. The final condition factor values did not differ significantly in either the control group or any of the plant extract groups.

Conclusions: Nile tilapia exhibited positive allometric growth patterns and maintained good health when fed with GLE, SGLE, and MxLE groups. Therefore, these plant extracts demonstrate suitability for commercial Nile tilapia production.

查看原文本刊更多论文

尼罗罗非鱼（Oreochromis niloticus）饲喂添加番石榴和鹅掌楸叶提取物的日粮的体长-体重关系和体况系数。

背景：尼罗罗非鱼（Oreochromis niloticus）是水产养殖业中的主要养殖品种。然而，有关番石榴和鹅掌楸叶提取物与状态因子之间关系的文献却很少。因此，本研究旨在探讨添加番石榴和鹅掌楸叶提取物的日粮对尼罗罗非鱼特定生长率、体长-体重关系和体况系数的影响：将 630 尾尼罗罗非鱼（8.7±0.4 克）随机分配到循环系统中的 21 个水箱（每个水箱 30 尾鱼）中。在 60 天的时间里，给这些鱼喂食添加了 5g/Kg 和 10g/Kg 番石榴叶提取物（GLE-5、GLE-10）、鹅掌楸叶提取物（SGLE-5、SGLE-10）以及这两种提取物的混合物（MxLE-5、MXLE-10）的饲料。随后测定了特定生长率、长度-重量关系和条件因子：结果：60 天后，与对照组相比，所有 GLE、SGLE 和 MxLE 组的特定生长率都明显较高。对照组和所有 GLE、SGLE 和 MxLE 组的最终体长和体重均有显著差异。回归方程分析表明，对照组和所有 GLE、SGLE 和 MxLE 组尼罗罗非鱼的体长和体重之间呈正相关（r = 0.970、0.977、0.976、0.974、0.974 和 0.969）。所有 GLE、SGLE 和 MxLE 组的回归指数 "b "值均大于 3，表明与对照组（b=2.866）相比，尼罗罗非鱼的生长模式呈正异速生长，而对照组则呈负异速生长。对照组和任何植物提取物组的最终条件因子值均无显著差异：尼罗罗非鱼在饲喂 GLE、SGLE 和 MxLE 组时表现出正异速生长模式，并保持良好的健康状况。因此，这些植物提取物适用于尼罗罗非鱼的商业化生产。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

F1000Research Pharmacology, Toxicology and Pharmaceutics-Pharmacology, Toxicology and Pharmaceutics (all)

CiteScore

5.00

自引率

0.00%

发文量

1646

审稿时长

1 weeks

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