(1) The ridge cultivation combined with the mulching film is effective. (2) Construction of underground fire or geothermal pipes and geothermal lines This measure is most effective for improving ground temperature, but the cost is too high. At present, there is basically no application in China. (3) Reasonable temperature control during artificial concentrated pre-cooling. (4) The bio-heater uses the straw fermentation to release heat to increase the ground temperature. (5) Digging the cold-proof ditch This measure has low cost and remarkable effect. If the thickness of the cold insulation ditch is 5-10 cm, it is better to fill the straw weeds (preferably wrapped with plastic film) to a thickness of 20-40 cm; the depth of the cold ditch is greater than the depth of the local frozen soil 20- 30 cm is suitable; prevent the heat transfer from the soil in the greenhouse to the outside of the greenhouse. (6) The greenhouse was built to be semi-underground. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone Veterinary drugs: refers to substances (including medicated feed additives) used to prevent, treat, diagnose animal diseases or purposefully regulate animal physiological functions. Veterinary medicine,Niclosamide for Sale,Niclosamide for Humans,Albendazole 400 Mg,Oxfendazole for Dogs Xi'an Henrikang Biotech Co.,Ltd , https://www.xianhenrikang.com
Veterinary drugs mainly include: serum products, vaccines, diagnostic products, micro-ecological products, Chinese herbal medicines, proprietary Chinese medicines, chemicals, antibiotics, biochemical drugs, radioactive drugs and topical pesticides, disinfectants, etc. veterinary drug
Also known as veterinary drugs or animal drugs, in a narrow sense, it refers to drugs for livestock and poultry, and in a broad sense, it refers to drugs that prevent and treat all animal diseases except humans and promote their growth and reproduction. The research and development of veterinary drugs and human drugs promote each other and develop synchronously.
China's "Handbook of Veterinary Drugs" (1977 edition) contains APIs and a total of 1,300 varieties, the US "Veterinary Drug Index" contains 460 types of veterinary APIs, the "British Veterinary Pharmacopoeia" contains 210 types of APIs, and more than 130 kinds of preparations and 40 kinds of biochemical immune products. In 1979, Japan produced, sold and imported about 1,900 varieties of veterinary drugs.