Inappropriate problems with pros and cons Traditional farming is very particular about the ventilation of the pens, and the management improves the air in the pens. The use of a dry-sweeping fermentation bed also requires ventilation. Ventilation plays a very important role in the dry-sweeping fermentation bed, directly affecting the safe, continuous and stable operation of the dry-sweeping fermentation bed. Take the Jinbao dry-type fermentation bed as an example. The irregular and non-standard fermentation bed housing will lead to the following problems: 1, the fermentation bed humidity; 2. The housing is hot and stuffy, and pigs appear heat stress; 3, sheds air pollution, pungent, thorns, etc.; 4, more mosquitoes and flies within the house; 5, pigs anorexia, poor spirit, significantly slower growth, gradually weight loss, high feed and meat ratio. 6, pigs have respiratory diseases 7. Eczema in pigs 8, there diarrhea cold 9, prone to various diseases, severe cases of death. Therefore, it is very important to build the sheds for dry fermentation beds. The regular dry-leaf fermentation sheds need to have “four windows†and must have good ventilation conditions. Skylights, windows, and common windows are large, according to the climate Use induced draft fan window in season. Iron fences are used between the fences. The height of the pighouse is 2.6-3.5 meters and the span is 9-13 meters. Led Pdt Bio Light Therapy,Red Light Therapy For Skin,Skin Medical Treatment Pdt Machine,Home Use Beauty Lamp Shenzhen Bonliter Optoelectronic Co., Ltd. , https://www.beautyredlight.com