How to choose piglets for fattening?

First, buy piglets to do eight to see the spirit, lively spirit, bright eyes, tail swing freely, called crisp. Second, see the feces, pull the dung into a group, moderate softness, no mucus. Three look at the skin, ruddy skin, no papillary erythema, freckle. Four look appearance, no trauma or .......

Powder Pak choi field management technology

At present, the number of planted P. oleracea field has been too dense, there is still technology in place in management, serious harm to pests and weeds, and the technical measures for P. bungeanum management still need to be strengthened and the following work should be done:

1. .......

16 kinds of "main dishes" to be careful to eat

Cabbage, tomatoes, bean sprouts, potatoes, tea, etc. These are the vegetables we commonly eat. Sometimes we may buy more vegetables at a time. For example, potatoes bought before the few days did not have time to eat, today suddenly want to eat potatoes , But when they got up, they discove.......

Garlic cultivation issues in 2010

The planting area of ​​garlic in Weiyuan County is maintained at about 50,000 mu per year. The unique natural climate conditions and cultivation techniques are adopted. The produced garlic has the advantages of early bolting, early listing and high rate of garlic. The output valu.......

Type and method of biscuit packaging

Biscuits are convenient foods that people like to eat. They use flour, oil, and sucrose as the main raw materials, and dairy products, eggs, loosening agents, and flavoring agents as auxiliary raw materials. They are processed through mixing, molding, baking, .......

150A 250B biochemical incubator instruction manual

First, biochemical incubator product introduction:
The biochemical incubator has a two-way temperature regulation system for cooling and heating, and the temperature controllable function is a laboratory, indispensable laboratory equipment for plant, biolo.......

Flammulina velutipes black spot disease treatment

Black spot is a bacterial disease caused by Pseudomonas. After the onset of disease, the mushroom mushroom caps appear oval brown or dark brown spots, the initial needle-like, enlarged diameter of 2 to 4 mm, neat edges, and sometimes cracked cap. Control methods: control the temperature and hu.......

How to prevent fry hatching abnormal embryos

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 wheel to obt.......