With the continuous expansion of animal husbandry production and operation scale and the continuous improvement of intensification, many livestock and poultry products are also emitted with a lot of foul odors, such as hydrogen sulfide, ammonia, volatile fatty acids, trimethylamine, methane, fecal odor, thiols, etc., which are thick and scattered together to announce an unpleasant odor. If it seriously endangers livestock and poultry, it can reduce their disease resistance and prevent their production function from being fully utilized. It can also harm people, especially livestock keepers.
Its release into the atmosphere may also constitute acid rain, causing pollution to the environment. Therefore, how to effectively control the foul odor in animal husbandry farms is an urgent issue that needs to be addressed to ensure the sustainable development of animal husbandry. In addition to serious pollution caused by feces, urine, and sewage, air pollution is also a serious environmental problem in breeding farms. The direct manifestation of air pollution in breeding grounds is foul odor, which is a foul odor announced by the mixing of various odorous gases in the air. The foul odor in breeding grounds mainly comes from the feces, sewage, bedding, feed residue, respiratory gases of livestock, skin secretions of livestock, dead poultry, and livestock.
And it is closely related to the ventilation of the breeding house and the suspended solids in the air. Among them, animal manure and sewage are the main sources of foul odor in breeding farms. The feces and urine of livestock and poultry, as well as the sewage washed from breeding houses, contain abundant carbohydrates, fats, proteins, minerals, vitamins, and other components. These substances are the nutrient sources for the growth and reproduction of microorganisms under anaerobic conditions. Carbohydrates decompose to produce methane, organic acids, and alcohols.
Proteins, amino acids, etc. are digested and degraded by bacteria to produce substances with unpleasant odors such as ammonia, ethylene glycol, dimethyl sulfide, hydrogen sulfide, methylamine, trimethylamine, etc. The gases emitted from the digestive tract, secretions from sebaceous and sweat glands, external hormones from livestock, and dirt adhering to the surface of the body can also emit unique odors of different livestock and poultry. In addition, the dust in the air of the breeding ground is closely related to the occurrence of foul odor gases. Dust is a carrier of microorganisms, adsorbing many compounds and ammonia with unpleasant odors. Together, microorganisms continuously decompose the organic matter of the dust, resulting in foul odor.
Article source: Deodorant manufacturer http://www.scneng.com.hk
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