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本实验以常规饲料原料为基础配制全价配合饲料，考察河蟹饲料中适宜的动植物蛋白比，为应用配合饲料的研制提供参考，具有重要的现实意义。一、材料与方法１．试验材料从上海市购买当年蟹种１８０只，体重范围为４．８～５．５克，平均体重为（５．２±０．１）克，背宽为１．
The experiment based on conventional feed ingredients formulated full-price compound feed, crab feed to study the appropriate ratio of animal and plant protein for the application of compound feed to provide reference, has important practical significance. First, materials and methods 1. The test materials were purchased from Shanghai in the current year 180 crab species, body weight range of 4.8 to 5.5 grams, the average body weight of (5.2 ± 0.1) grams, 1 back width.