饲粮中添加积雪草叶提取物对10 ppt内陆咸水中不同放养密度GIFT鱼种生长、养分利用和生理代谢反应的影响

IF 2.5 2区农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Animal Feed Science and Technology Pub Date : 2025-05-20 DOI:10.1016/j.anifeedsci.2025.116395

Potluri Sai Kishore, Pankaj Kumar, Naseemashahul Shamna, Parimal Sardar, Narottam Prasad Sahu, Omkar Patra, Jebarson Solomon, Saiprasad Bhusare

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引用次数: 0

摘要

积雪草是一种具有多种抗氧化和抗菌特性的药用植物。本试验旨在研究饲粮中添加积雪草乙醇提取物对10 ppt内陆咸水中不同放养密度GIFT鱼种生长、养分利用和生理代谢反应的影响。制备了3种等氮（35 %粗蛋白质，CP）和等脂（11 %）实用饲粮，包括分级水平（0 %,0.5 %,1 %）的积雪草（CA）叶乙醇提取物。采用不同放养密度S-(10、15、20尾/75 L)，将驯化后的GIFT鱼种405尾（2.08 ± 0.02 g）随机分布在S10CA0、S10CA0.5、S10CA1、S15CA0、S15CA0.5、S15CA1、S20CA0、S20CA0.5、S20CA1 9个处理中，分为3个重复。结果表明，高放养密度显著降低了鱼体粗蛋白质水平（P <； 0.05）。饲粮添加1 %积雪草乙醇提取物（P <； 0.05）显著提高了各放养密度组鱼的增重（WG）、热生长系数（TGC）、饲料系数（FCR）和蛋白质效率（PER）。在各放养密度组中，添加1 %积雪草乙醇提取物的鱼的蛋白酶和淀粉酶活性显著提高（P <； 0.05）。饲粮浓度为1 %积雪草乙醇提取物组的丙氨酸转氨酶（ALT）、天冬氨酸转氨酶（AST）、苹果酸脱氢酶（MDH）、乳酸脱氢酶（LDH）、超氧化物歧化酶（SOD）、过氧化氢酶（CAT）和血清丙二醛（MDA）活性均显著降低（P <； 0.05）。由此可见，饲粮中添加1 %积雪草乙醇提取物可提高10 ppt内陆咸水中不同放养密度GIFT鱼种的生长、养分利用、抗氧化活性和生理代谢反应。

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Effect of dietary-supplemented Centella asiatica leaf extract on growth, nutrient utilization and physio-metabolic responses in GIFT fingerlings of different stocking densities reared in 10 ppt inland saline water

Centella asiatica is a medicinal plant with several antioxidant and antimicrobial properties. A 60-day feeding trial was organized to estimate the effect of dietary-supplemented Centella asiatica ethanolic extract on growth, nutrient utilization and physio-metabolic responses in the GIFT fingerlings of different stocking densities reared in 10 ppt inland saline water. Three iso-nitrogenous (35 % crude protein, CP) and iso-lipidic (11 %) practical diets were prepared, including graded levels (0 %, 0.5 %, 1 %) of Centella asiatica (CA) leaf ethanolic extract. Four hundred and five acclimated GIFT fingerlings (2.08 ± 0.02 g) with different stocking densities, S-(10, 15, 20 fingerlings/75 L) were distributed randomly among nine treatments viz. S₁₀CA₀, S₁₀CA_0.5, S₁₀CA₁, S₁₅CA₀, S₁₅CA_0.5, S₁₅CA₁, S₂₀CA₀, S₂₀CA_0.5, S₂₀CA₁ in triplicates. Results indicated that high stocking density significantly (P < 0.05) lowered whole-body crude protein levels of the fish. The fishes fed with 1 % Centella asiatica ethanolic extract significantly (P < 0.05) improved the weight gain (WG), thermal growth coefficient (TGC), feed conversion ratio (FCR) and protein efficiency ratio (PER) irrespective of stocking density groups. In all stocking density groups, the protease and amylase activities increased significantly (P < 0.05) in the fishes fed with 1 % Centella asiatica ethanolic extract. The alanine aminotransferase (ALT), aspartate aminotransferase (AST), malate dehydrogenase (MDH), lactate dehydrogenase (LDH), superoxide dismutase (SOD), catalase (CAT) and serum malondialdehyde (MDA) activities decreased significantly (P < 0.05) among the fishes fed with 1 % Centella asiatica ethanolic extract in all stocking density groups. These results imply that the dietary inclusion of 1 % Centella asiatica ethanolic extract can improve growth, nutrient utilization, antioxidant activity and physio-metabolic responses in the GIFT fingerlings of different stocking densities reared in 10 ppt inland saline water.

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来源期刊

Animal Feed Science and Technology 农林科学-奶制品与动物科学

CiteScore

6.00

自引率

6.20%

发文量

266

审稿时长

3 months

期刊介绍： Animal Feed Science and Technology is a unique journal publishing scientific papers of international interest focusing on animal feeds and their feeding. Papers describing research on feed for ruminants and non-ruminants, including poultry, horses, companion animals and aquatic animals, are welcome. The journal covers the following areas: Nutritive value of feeds (e.g., assessment, improvement) Methods of conserving and processing feeds that affect their nutritional value Agronomic and climatic factors influencing the nutritive value of feeds Utilization of feeds and the improvement of such Metabolic, production, reproduction and health responses, as well as potential environmental impacts, of diet inputs and feed technologies (e.g., feeds, feed additives, feed components, mycotoxins) Mathematical models relating directly to animal-feed interactions Analytical and experimental methods for feed evaluation Environmental impacts of feed technologies in animal production.