The harmful gases in the house are mainly ammonia, hydrogen sulfide, carbon dioxide, carbon monoxide and methane. In large-scale chickens, these gases pollute the environment, causing the onset of chickens or declining production performance and reducing production efficiency. How to purify it?
1. Adjusting acid and deodorizing method. Sulfur in the litter can make the pH of the litter less than 7.0, which can inhibit the production and distribution of ammonia in the feces, reduce the ammonia content in the air in the house, and reduce the ammonia odor. The method is to stir in the litter at the amount of 0.5 kilograms of sulfur per square meter of the ground and pave the ground.
2. Combined deodorization method. Sprinkle a layer of superphosphate on the ground inside the house. Superphosphate reacts with ammonia produced in chicken manure to produce odorless solid ammonium phosphate, which reduces ammonia emission in the faeces and reduces odor in the chicken house. The method was to sprinkle 350 g of superphosphate evenly on every 50 chickens.
3. Adsorption deodorization method. Adsorptive substances such as charcoal, activated carbon, coal slag, and quicklime are used to adsorb odors in the air. The method is to use charcoal net bags to hang in the house or sprinkle some activated carbon, coal cinder, quicklime and so on, which can eliminate the odor in the air to varying degrees.
4. Biological deodorization method. Studies have found that many beneficial microorganisms can increase feed protein utilization, inhibit harmful bacteria from producing harmful gases, reduce fecal ammonia emissions, and reduce the harmful gas content in the air. There are many types of beneficial microorganisms (EM) that are commonly used at present. Specific use can be based on product descriptions and spices, fed with water, or sprayed in chicken houses.
5. Chemical deodorization method. Using chemical substances such as hydrogen peroxide, potassium permanganate, copper sulfate, and acetic acid, which have an odor suppressing effect, reduce the odor in the house. The method is to use 4% copper sulfate and appropriate amount of slaked lime mixed in the litter, or use 2% of benzoic acid or 2% acetic acid to spray the litter, can play a deodorant effect.
6. Chinese herbal deodorizing method. Many Chinese herbs have a deodorizing effect. Commonly used are leaves, Atractylodes, Daqingye, garlic, straw and so on. The method is to burn the appropriate amount of the above substance in the chicken house. It can both kill bacteria and deodorize, and it works best when it is empty.
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