Solar photovoltaic power generation equipment needs sunlight to generate electricity, because the energy used by it comes from sunlight

It generally takes about 20 weeks from the brooding period to the laying period. The feeding and management technology of the feeding line of the laying hens at each stage is divided into the backup period (the brooding period) and the laying period according to the age and physiological state of th......

Advantages of Farrowing Crates For Pigs

In Xingfuzhuang Village, Tianzhuang Town, Pingdu, Qingdao, plant protection drones are working in the field (taken on May 17, drone photo).

The purpose of forced moulting is to make the whole flock stop production, moult, restore physical fitness in a short period of time, and then resume egg production, improve the quality of eggs, and prolong the economic utilization period of chickens.

At present, there are few articles at home and abroad that clearly put forward the definition and concept of green fertilizer. Huang Lizhang, a professor at Zhejiang University