First, scientific feeding

1. Supply sufficient animal protein feed: The boar needs more crude protein, if the protein in the diet is insufficient, the boar will have less semen and dilute, incomplete sperm development, poor vigor, reduced conception rate, and even loss. Breeding ab.......

First, the purchase of fine piglets rural household pig breeds single, relatively backward, to change the selection of good quality, rapid growth of excellent piglets.

Second, the scientific management of piglets purchased must be required for epidemic prevention, and then castrate.......

For mosquitoes, this year is a bad year. The world's most annoying little thing causes.......

5% oxazoline-fossilicide is a herbicide developed by Swiss Syngenta Crop Protection Co., Ltd., in order to clarify the control effect of barley weeds and barley weeds in barley fields and the safety of barley weeds, and the coastal areas of Jiangsu Province. Zhou Jiachun and others from th.......

1. Use EVA film. The adoption of EVA membrane can reduce the loss of natural light, improve the clarity in the shed, reduce the relative humidity of the air, promote the healthy growth of vegetable crops, and increase the resistance to pests and diseases.

2. Field coverage. Coverin.......

The seedlings in that year were seedlings from the time of transplanting the pots to the next time the pots were changed. This period will take about 10 months.

1 Visor

Everyone knows that tiger tongue is a semi-shadow plant. Therefore, after transplanting the pot, care sho.......

In the hatching process of fish fry, the phenomena of early release and malformation of embryo occur occasionally, which seriously affects the emergence rate. What preventive measures should be taken?

Where the wall of the hatching tank is rough, it must be grinded with a grinding .......