Growth performances of Clarias gariepinus juveniles fed with Jatropha curcas seed meal

IF 3.2 2区农林科学 Q1 FISHERIES

Aquaculture Reports Pub Date : 2024-10-26 DOI:10.1016/j.aqrep.2024.102433

Jeremiah Olanipekun Jimoh , Sharifah Rahmah , Bamidele Oluwarotimi Omitoyin , Emmanuel Kolawole Ajani , Mohamad Jalilah , Victor Tosin Okomoda , Donald Torsabo , Abiola Ayodeji Fabusoro , Yu Mei Chang , Young-Mao Chen , Hon Jung Liew

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引用次数: 0

Abstract

Jatropha curcas is an oil producing seed with high nutritional qualities for consumption. However, due to inherent anti-nutritional factors, appropriate processing is necessary to improve its nutrients utilization. This study was aimed at processing J. curcas using solvent-extraction method and evaluating its inclusion effects in the diet for Clarias gariepinus on its growth status. J. curcas meal was extracted using 80 % methanol to remove phorbol esters and other anti-nutrients. Thereafter, five iso-nitrogenous diets (40 % crude protein) were formulated containing J. curcas meal replacements of soybeans meal at 0 % (TRT0), 25 % (TRT25), 50 % (TRT50), 75 % (TRT75) and 100 % (TRT100) and fed to C. gariepinus for 70 days. Results showed that TRT25 fish had the highest mean weight gain and specific growth. The serum alkaline phosphate, alanine aminotransferase, and aspartate aminotransferase levels began to rise significantly (p ≤ 0.05) at 50 % replacement. Likewise, the assessment of gut ecology and morphology indicated that TRT25 had significantly (p ≤ 0.05) the highest gut bacteria colony forming unit (2.60 ×10⁴±0.02cfu/g) and most favorable area of absorption (0.16±0.01 cm²). The histopathological observation of the fish intestine, liver and gills indicated no visible deformity in TRT0 and TRT25 fish. However, various degrees of degenerations were observed in the fish fed with 50 % and higher inclusion of J. curcas. This study showed that methanol-extracted J. curcas meal can be effectively utilized for C. gariepinus at 25 % of replacement.

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用麻风树籽粉喂养金眼鲷幼鱼的生长表现

麻疯树是一种产油种子，具有很高的食用营养价值。然而，由于其固有的抗营养因子，有必要对其进行适当加工，以提高其营养成分的利用率。本研究的目的是采用溶剂萃取法加工姜黄，并评估将其添加到姜黄鱼的日粮中对其生长状况的影响。用 80% 的甲醇萃取姜黄粉，以除去酚酯和其他抗营养物质。然后，配制了五种等氮饲料（粗蛋白含量为 40%），分别以 0% (TRT0)、25% (TRT25)、50% (TRT50)、75% (TRT75) 和 100% (TRT100) 的姜黄粕替代大豆粕，并喂养石斑鱼 70 天。结果表明，TRT25 鱼的平均增重和特定生长率最高。血清碱性磷酸酶、丙氨酸氨基转移酶和天门冬氨酸氨基转移酶水平在替代率为 50% 时开始显著上升（p ≤ 0.05）。同样，肠道生态学和形态学评估表明，TRT25 的肠道细菌菌落形成单位（2.60×104±0.02cfu/g）和最有利的吸收面积（0.16±0.01 cm2）明显最高（p ≤ 0.05）。对鱼肠道、肝脏和鳃的组织病理学观察表明，TRT0 和 TRT25 的鱼没有明显的畸形。然而，在添加了 50% 或更高浓度的卷柏的饲料中，鱼体出现了不同程度的退化。这项研究表明，甲醇提取的姜黄粉可以有效地替代 25% 的姜黄粉来喂养嘉鱼。

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来源期刊

Aquaculture Reports Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

5.90

自引率

8.10%

发文量

469

审稿时长

77 days

期刊介绍： Aquaculture Reports will publish original research papers and reviews documenting outstanding science with a regional context and focus, answering the need for high quality information on novel species, systems and regions in emerging areas of aquaculture research and development, such as integrated multi-trophic aquaculture, urban aquaculture, ornamental, unfed aquaculture, offshore aquaculture and others. Papers having industry research as priority and encompassing product development research or current industry practice are encouraged.