egg production造句怎么写

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

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.

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.

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

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

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

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.

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.

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

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

Most Lagalia farmers specialise in chicken and egg production.

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

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