Scale poultry is a way for farmers to become rich. At present, poultry farming is being scaled up and raised by farmers, which has brought great economic benefits to farmers and has also stimulated and promoted the scientific progress of the poultry industry. The level of disease prevention and re ---MORE---
First, dirty sows into the delivery room After the birth of the piglet, there is almost no resistance to disease. The bacteria are most likely to invade and cause piglets to become ill. Because the sows have completely cleaned and disinfected the incubator of the obstetrics before the bed, the di ---MORE---
The mulberry frost suffered mostly in years when the spring temperature rose earlier. Whenever the cold weather arrives, it is generally sunny and windy the next morning, the moon shines, the temperature dropped to below 10 degrees Celsius at about 9:00, and dropped to about 5 degrees Celsius in th ---MORE---
The use of drugs to control broad-leaved weeds in the potato field should mainly use oxyfluorfenum, pendimethalin, and acetochlor for soil closure before seeding. During the growing period of potatoes, there are no good safe and effective drugs to control broad-leaved weeds. In the case of masteri ---MORE---
(1) According to the pedigree data, this method is selected for the selection of certain performances (such as laying performance) of goslings that have not been recorded in production performance, geese in the breeding period, or goslings. The excellent selection of blood is reserved for species u ---MORE---
The choice of pipettes, generally pay attention to the following aspects: 1. Product performance, ie pipette accuracy and repeatability For most users, it is difficult and unnecessary to test product performance before purchase. Therefore, it is mainly based on technical data provided by the manuf ---MORE---
Recently, a lot of vegetable farmers called the reporter to consult: a lot of purple long eggplant color in the greenhouse became light red eggplant, affecting the sale price, but could not find a reason. According to the analysis of the reporter, the change from purple to red in long-shelled eggp ---MORE---