不同植物源蛋白质水平对非洲巨蜗牛生长性能的影响

O. Oo
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摘要

本试验研究了等热量植物蛋白饲粮对非洲巨蜗牛生长性能的影响,为期28周。试验共选用边缘田螺幼螺120只。选取10只钉螺,分别饲喂含12%、14%、16%和18%植物源粗蛋白质的试验饲粮。每种饲料组成一个处理,每个处理重复3次,每个重复10只蜗牛。生长参数数据每两周收集一次。结果表明,饲粮蛋白质水平对钉螺生产性能有显著影响(p<0.05)。饲粮中粗蛋白质水平为16%时,钉螺的终体重最高(42.6g),饲料系数最高(2.35);饲粮中粗蛋白质水平超过16%后,钉螺的生长反应下降。本试验结果表明,以16%植物源粗蛋白质为饲粮的边角田螺生长性能最佳,可以在纯植物源粗蛋白质的饲粮中饲养。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Growth Performance of African Giant Land Snail Archachatina Marginata Fed Varying Dietary Protein Levels of Plant Source
The effects of isocaloric plant protein diets on the growth performance of African giant land snail Archachatina marginata were investigated for 28 weeks. A total of 120 juvenile A. marginata snails were used. Ten snails were randomly assigned to each of the four experimental diets containing 12%, 14%, 16%, and 18% crude protein from plant source respectively. Each diet constitutes a treatment and each treatment was replicated three times with 10 snails per replicate. Data on growth parameters were collected bi-weekly. Results showed that the performance of snails fed was significantly (p<0.05) influenced by levels of dietary protein. The snail fed with 16% level of crude protein had the highest final somatic body weight (42.6g) and the superior feed conversion ratio (2.35) while beyond 16% level of crude protein the growth response declined. It was evident from this study that A. marginata snails fed 16% crude protein of plant source were the best in growth performance and that snails could be raised on diets comprising of crude protein exclusively from plant source.
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