The limiting factors in the utilization of plant protein sources by fish are related to diet palatability, digestibility and essential amino acid balance.

水生动物对植物蛋白源的利用主要与适口性、消化率和必需氨基酸平衡相关。

youdao

The index of amino acid balance were evaluated accord to deal protein of layers and broilers, The results showed the Feed-corn is a good protein source for poultry feed.

以蛋鸡和肉仔鸡理想蛋白质为模型，计算氨基酸平衡性指数，表明饲用玉米是家禽的良好蛋白源。

youdao

The index of amino acid balance was evaluated according to ideal protein of layers and broilers. The results showed the new bean-meal is a good protein source for poultry feed.

以蛋鸡和肉仔鸡理想蛋白质为模型计算平衡性指数，表明新型豆粕为家禽的良好蛋白源。

youdao

But when the scientists boosted levels of one amino acid, leucine, the balance of synthesis and breakdown was restored.

BBC: Maintaining muscle mass is easier when young