用发酵植物饲料替代鱼粉或添加鱼肠菌饲料对头Mugil幼鱼生长性能的影响

Anand Pss, R. Raja, K. Vijayan
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引用次数: 11

摘要

本试验旨在评价发酵原料替代鱼粉的利用情况,并考察在头头Mugil幼鱼饲料中添加活菌的效果。实验设头螺幼鱼1、2、3、4、5、6个处理组(0.12±0.001 g),共3个重复。对照组饲喂植物性饲料(小麦粉、米糠、芥末饼)和鱼粉。其他饲料采用两种肠道细菌Bacillus sp. DDKRC1对植物性饲料(米糠、芥菜饼、葵花饼、芝麻饼、杜鹃花粕、银合子叶粕)进行发酵。,枯草芽孢杆菌DDKRC5。,分别从Lates calcarifer和Chanos Chanos中分离。II、III、IV和V组分别以发酵饲料代替25%、50%、75%和100%的鱼粉。ⅵ组饲粮在对照饲料中添加1% (v/w)枯草芽孢杆菌DDKRC5和芽孢杆菌DDKRC1(1:1)的混合物。每天饲喂2次,为期6周。在对照饲料中添加活菌混合物可显著提高头虾营养物质消化率、生长率、饲料系数(FCR)、蛋白质效率(PER)、体蛋白脂含量和免疫应答(P<0.01),发酵成分可替代饲料中75%的鱼粉,而不影响头虾的生长率、FCR、PER、存活率、体蛋白脂含量和血清学指标。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of Growth Performance in Mugil cephalus l. Juveniles Fed Diets Incorporated with Fermented Plant Feedstuffs Replacing Fishmeal or Diets Supplemented with Fish Gut Bacteria
An experiment was conducted to evaluate utilization of fermented ingredients for replacing fish meal and examine the efficacy of live bacterial supplement in diets of Mugil cephalus juveniles. The experiment had six treatment groups (I, II, III, IV, V and VI) of M. cephalus juveniles (0.12 ± 0.001 g) with triplicate. A control diet (group I) was prepared with plant feedstuffs (wheat flour, rice bran, mustard cake) and fish meal. For other diets, plant feedstuffs (rice bran, mustard cake, sunflower cake, sesame cake, azolla meal, leucaena leaf meal) were fermented with two gut bacteria i.e., Bacillus sp. DDKRC1., Bacillus subtilis DDKRC5., isolated from Lates calcarifer and Chanos Chanos, respectively. Diets for groups II, III, IV and V were formulated with fermented ingredients replacing 25%, 50%, 75% and 100% of fish meal by weight. Diet for group VI was prepared by supplementing the control feed with mixture of Bacillus subtilis DDKRC5 and Bacillus sp. DDKRC1, (1:1) at 1% (v/w) of feed. The Diets were offered twice daily for a period of six weeks. Supplementation of live bacterial mixture with control diet could improve (P<0.01) nutrient digestibility, growth rate, feed conversion ratio (FCR), protein efficiency ratio (PER),body protein and lipid content and immune response and fermented ingredients could replace 75% of fish meal in diet of M. cephalus without affecting growth rate, FCR, PER, survival, body protein and lipid content and hematological indices.
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