论文部分内容阅读
血粉的蛋白质含量高达80％,比进口鱼粉的蛋白质含量还高15～18个百分点。但土制的血粉喂鱼效果很差。原因是消化吸收率太低,也就是说大部分蛋白质随粪便排出体外而白白浪费掉了。针对这一问题,我国科技工作者研制出了“发酵血粉”。发酵血粉是在血液中加入不同种类的酶进行发酵处理,将其蛋白质分解成易被鱼类等饲养动物消化吸收的氨基酸,从而大大提高了血粉的利用率。据我们测定,发酵血粉中各种可吸收的氨基酸占蛋白质含量的85％以上。此外,在发酵过程中由于添加了植物性蛋白源成份如麦麸等,使氨基酸种类更趋齐全,还增加了饲料中的维生素,尤其是B族维生素的含量超过一般的动物蛋白源。我们用发酵血粉取
Blood protein protein content up to 80%, higher than the protein content of imported fish meal is also 15 to 18 percentage points. However, the effect of indigenous blood meal feeding is very poor. The reason is the digestion and absorption rate is too low, which means that most of the protein excreted with the feces were wasted. In response to this problem, China’s scientific and technological workers developed a “fermented blood meal.” Fermented blood meal in the blood by adding different types of enzymes for fermentation, the protein is decomposed into easily digested and absorbed by fish and other animals, amino acids, which greatly increased the utilization of blood meal. According to our determination, fermented blood meal in various absorbable amino acids accounted for more than 85% of the protein content. In addition, due to the addition of plant protein source components such as wheat bran during the fermentation process to make the amino acid species more complete, the feed also increases the vitamins, especially the B vitamins more than the average animal protein source. We use fermented blood powder to take