Effect of varied levels of dietary protein and lipid on growth response, nutrient utilization, and whole body composition of climbing perch, Anabas testudineus (Bloch, 1792) fry

IF 2.2 3区农林科学 Q2 FISHERIES Aquaculture International Pub Date : 2024-11-11 DOI:10.1007/s10499-024-01677-z

Sulagna Routroy, Patekar Prakash, Rajesh Kumar, N. K. Chandan, B. Sahu, S. Nanda, B. R. Pillai, K. N. Mohanta

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Abstract

This study investigated the effects of varying dietary protein and lipid levels on the growth performance and whole-body composition of climbing perch (Anabas testudineus) fry. Fish (initial weight: 0.34 ± 0.01 g) were fed nine semi-purified diets with three protein (35%, 40%, and 45%) and three lipids (6%, 8%, and 10%) levels for 60 days. While survival rates were unaffected by dietary treatments, fish fed a diet containing 40% protein and 8% lipid exhibited significantly higher (P < 0.05) weight gain (WG), specific growth rate (SGR), protein efficiency ratio (PER), and protein productive value (PPV), and lower feed conversion ratio (FCR) compared to other groups. Dietary protein and lipid levels had significantly (P < 0.05) affected whole-body composition. Second-order polynomial regression analysis showed that the optimal dietary protein and lipid requirements for climbing perch fry are in the ranges of 40.54—40.68% and 8.17—8.30%, respectively. These findings provide valuable insights for formulating nutritionally balanced diets to support optimal growth and development of A. testudineus fry.

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不同水平的日粮蛋白质和脂质对攀缘鲈鱼苗（Anabas testudineus (Bloch, 1792)）生长响应、营养利用和全身组成的影响

本研究调查了不同日粮蛋白质和脂质水平对攀缘鲈（Anabas testudineus）鱼苗生长性能和全身成分的影响。给鱼苗（初始体重：0.34 ± 0.01 g）喂食三种蛋白质（35%、40% 和 45%）和三种脂质（6%、8% 和 10%）水平的九种半纯化日粮 60 天。虽然存活率不受日粮处理的影响，但与其他组相比，饲喂含 40% 蛋白质和 8% 脂质日粮的鱼类的增重（WG）、特定生长率（SGR）、蛋白质效率比（PER）和蛋白质生产值（PPV）显著较高（P < 0.05），而饲料转化率（FCR）较低。日粮蛋白质和脂质水平对全身组成有显著影响（P < 0.05）。二阶多项式回归分析表明，攀缘鲈鱼苗的最佳日粮蛋白质和脂质需要量分别为 40.54-40.68% 和 8.17-8.30%。这些发现为配制营养均衡的日粮以支持爬鲈鱼苗的最佳生长和发育提供了宝贵的见解。

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来源期刊

Aquaculture International 农林科学-渔业

CiteScore

5.10

自引率

6.90%

发文量

204

审稿时长

1.0 months

期刊介绍： Aquaculture International is an international journal publishing original research papers, short communications, technical notes and review papers on all aspects of aquaculture. The Journal covers topics such as the biology, physiology, pathology and genetics of cultured fish, crustaceans, molluscs and plants, especially new species; water quality of supply systems, fluctuations in water quality within farms and the environmental impacts of aquacultural operations; nutrition, feeding and stocking practices, especially as they affect the health and growth rates of cultured species; sustainable production techniques; bioengineering studies on the design and management of offshore and land-based systems; the improvement of quality and marketing of farmed products; sociological and societal impacts of aquaculture, and more. This is the official Journal of the European Aquaculture Society.