用“egg production”造句大全，egg production造句

Because of this , it is quarantined in the silkworm egg production. Thus, this field has always been the focus and keypoint of the research on silkworm pathology.

In young women and girls, direct radiation and chemotherapy drugs can stop egg production by the ovaries-meaning that along with the tumor, hopes for pregnancy are often eradicated.

Most Lagalia farmers specialise in chicken and egg production.

Effect of inhibin gene immunization on egg production performance in Jingbai hens

Life cycle, generation time, fecundity, and egg production quantity are the main factors to determine these two species' vertical migration.

Experts say the rare phenomenon is just a quirk of nature and can occur if the chicken receives a shock during egg production.

Objective: To investigate the effect of chromium picolinate on egg production, egg quality, serum biochemical indices and immune response.

There is no agriculture, while only a small amount of vegetable cultivation, pig and poultry and egg production.

The layers of the four poultry farms in the north region of Jiangsu Province were experimented with the oral fowl cholera Vaccine R1-23 strain for study the effect on egg production.

At present farmers with Quanxiang 2200 signed a purchase and sale agreement to ensure that the egg for egg production plant sources.

Recent years, there has been prevalence of subtype H9 of AI virus in some regions of China, which caused decrease in egg production and serious economic loss to the poultry industry.

Objective:To observe the effeets of fresh maggots replacing domestically made fish meal as fodder contant on egg production of Hu line brown laying hens.

So exploring methods to improve eggshell is very important in developing egg production.

The results show that: 1. With the addition of rare earth-chitosan chelate increased, the rate of egg production raise gradually.