laying hen

基本解释

The processing technology and application in laying hen of DDGS were reviewed.
本文就DDGS的加工工艺及其在蛋鸡生产上的应用作一综述。
And zinc content in serum and tissues, activity of serum AKP and hepatic MT mRNA can evaluate the zinc nutritional status in laying hen.
用血清和组织锌含量、血清AKP活性以及肝脏MT基因相对表达丰度均可评估鸡体内锌的营养状况。
The effects of calcium phosphorus levels on egg shell quality were experimented in white Leghorn type shaver-288 laying hen 147-300 days of age for three years.
对147—300日龄白来航型星杂288产蛋母鸡用三年时间进行了钙磷水平对蛋壳质量影响的试验。