Different breeds and the same variety of pigs with different production performance have different sensitivity to environmental temperature. The basic rule is that the better the production performance is, the worse the stress resistance is and the more sensitive the uncomfortable ambient …

High-temperature composting is one of the main contents of implementing the “fertile soil project” to improve soil fertility, and is an important way to return straw to the field. High-temperature fertilizer has a wide range of materials, simple, easy to clean the environment, …