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首页> 外文期刊>Indian Journal of Fisheries >Effect of dietary supplementation of phosphorus on growth and phosphorus excretion in Indian white shrimp, Fenneropenaeus indicus (Milne Edwards)
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Effect of dietary supplementation of phosphorus on growth and phosphorus excretion in Indian white shrimp, Fenneropenaeus indicus (Milne Edwards)

机译：膳食中磷的添加对印度白对虾（Fenneropenaeus indicus（Milne Edwards））生长和磷排泄的影响

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摘要

An experiment was carried out to determine the effect of supplementary phosphorus on growth and faecal excretion in juveniles of Fenneropenaeus indicus. A practical feed was formulated using fish meal, squid, mantis shrimp, soyabean meal, wheat flour,fish oil and lecithin. To this feed, phosphorus was supplemented as mono sodium di- hydrogen orthophosphate at 0.0, 0.25, 0.5, 0.75 and 1.0%. Results of a 60- day feeding trial in triplicate on the juveniles of F. indicus (initial average live weight 0.45 +- 0.008 g) showed that dietary supplementation of phosphorus was essential and the best performance (310 % increase in live weight and 1.40 FCR) was recorded by the feed having 7.50 g kg~(-1) supplementary phosphorus (total phosphorus in the diet 1.83%) which was significantly higher than the control feed fed groups having 1.03% dietary phosphorus (live weight increase 224% and FCR 1.60). Additional supplementary phosphorus (more than 0.75 g/l00g) had no beneficial effect. Shrimp fed with differentfeeds maintained the body phosphorus level in the range of 1.23-1.31g/100g irrespective of dietary phosphorus levels and the same trend was continued in Ca : P ratio in the body. There was no significant change in the proximate composition of the experimental shrimps on termination of the feeding trial. Phosphorus excretion in faeces increased with increase in dietary phosphorus.
机译：进行了一项实验，以确定补充磷对印度钩针F幼鱼生长和粪便排泄的影响。用鱼粉，鱿鱼，螳螂虾，大豆粉，小麦粉，鱼油和卵磷脂配制实用饲料。向该进料中补充0.0、0.25、0.5、0.75和1.0％的正磷酸二氢单钠钠。为期60天的印度F幼鱼（初始平均活体重0.45±0.008 g）一式三份的试验结果表明，膳食中补充磷是必不可少的，并且其性能最佳（活体重增加310％，FCR为1.40） ）记录的饲料中添加了7.50 g kg〜（-1）的补充磷（日粮中的总磷为1.83％），显着高于对照组饲料中日粮中磷的含量为1.03％（活体重增加224％和FCR为1.60） ）。额外的补充磷（大于0.75 g / 100 g）没有有益效果。饲喂不同饲料的虾，无论膳食中的磷水平如何，其体内磷水平均维持在1.23-1.31g / 100g的范围内，体内Ca：P比率仍保持相同的趋势。饲喂试验终止后，实验虾的近端组成没有明显变化。粪便中磷的排泄随着饮食中磷的增加而增加。

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