Chickens in winter greenhouses are often not densely ventilated, and often contain harmful gases such as hydrogen sulfide, ammonia, and carbon monoxide, causing chicken disease and even death in large numbers. To this end, here are some ways to reduce or eliminate harmful gases in chicken housing:

Moderate ventilation: winter should pay attention to cold insulation, but also appropriate ventilation. When using coal for brooding, do not close the doors and windows for a long time to prevent poor ventilation.

Timely decontamination: timely removal of excrement and litter in the greenhouse to prevent excessive amounts of ammonia from being left in the greenhouse for too long. Under normal circumstances, it is usually cleared once a day or two days; chicken disease should be cleared once a day.

Fumigation with Chinese Herbal Medicine: Use appropriate amounts of equal parts such as Artemisia, Atractylodes, Daqingye or Garlic straw to burn in the greenhouse. This will not only sterilize but also deodorize, especially when used in empty shelters.

Absorb with adsorbent: charcoal, activated carbon, coal residue, quicklime, etc. have a strong adsorption effect, these substances with adsorption can be loaded into net bags and suspended in the greenhouse, or sprinkled on the ground, can absorb the odor in the air. .

Adding enzyme preparations: Adding enzyme preparations to the feed can increase the utilization of feed protein and reduce the excretion of nitrogen in the feces, thereby improving the air quality in the greenhouse and saving feed.

Adding charcoal slag: The addition of 1% to 2% charcoal slag to the chicken diet will make the feces dry and the odor will be reduced.

Adding zeolite powder: Adding 2% to 5% of zeolite powder to the chicken diet can reduce the water content and odor of the feces, and it can help improve the utilization of the feed.

Laying Lime: When the humidity in the chicken shed is too high, put large pieces of quicklime on the ground to absorb the moisture in the air and remove it immediately after the lime is wet. Cinder can also be used as a litter to absorb poisonous and harmful gases in the shed.

Spread calcium phosphate on the ground: In the chicken shed, spread 350 g of calcium phosphate evenly on the surface of every 50 chickens, reducing the amount of ammonia in the air. The effective period is generally 6 days to 7 days.

In addition, use 7 parts of ferrous sulfate and 3 parts of dry coal ash, and mix it with 10% of the weight of the chicken droppings into the house. Once a week, remove the ammonia and hydrogen sulfide gas from the chicken shed; The 2.5-milliliter sulphur is mixed in the square mat, which can inhibit the generation and emission of ammonia; hydrogen peroxide, potassium permanganate, copper sulphate, acetic acid, etc. have an odor-suppressing effect and are sprayed with 2% benzoic acid or 2% acetic acid. Or, by using 4% copper sulfate and appropriate amount of hydrated lime in the litter to pave the ground, the odor of the chicken shed can be reduced.

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