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Gases from pig farms

This site2019-05-10 15:00:35

With the progress of the times, the production scale of animal husbandry has been continuously expanded and the degree of intensification has been continuously improved. Livestock and poultry manure is increasing in ammonia. It not only endangers the health of livestock and poultry, but also causes a significant decrease in production performance.
The hazards of ammonia are:
1. After ammonia enters the blood to reduce the amount of hemolytic oxygen, it will reduce the resistance of livestock and poultry. In the long-term ammonia water concentration of 10 to 15 mg / kg, it will also significantly reduce the anti-stress ability of animals.
2. Ammonia solution is alkaline and has a stimulating effect on mucous membranes, which can cause tears, burning pain, corneal and conjunctival inflammation, and visual impairment.
3. High concentrations of ammonia can cause symptoms such as cough, bronchitis, pulmonary edema, bleeding, and suffocation.
4. Ammonia can increase the pH value of mucus in the respiratory tract, causing the cilia to lose their active functions, and the filtered harmful substances cannot be discharged from the body, increasing the susceptibility to airborne diseases. When the ammonia in the piggery reached 65 ppm, pigs began to develop respiratory diseases, atrophic rhinitis occurred at 75 ppm, and the incidence increased sharply as the ammonia concentration increased.
5. High concentrations of intestinal ammonia can stimulate the intestinal mucosa and accelerate the growth and metabolism of the intestinal mucosa. This results in an increased demand for oxygen and energy, while excess ammonia in the intestine is absorbed into the bloodstream and eventually converted into amino acids and excreta. The detoxification process of ammonia is a high energy-consuming process. The energy used by animals for growth and production is correspondingly reduced, which affects growth performance. When the ambient ammonia concentration is 50 ppm, the piglet weight gain rate is reduced by 12%, and the 80 ppm weight gain rate is reduced by 30%.
There are two main odors of ammonia in closed pens in livestock farms. One is produced by the decomposition of accumulated organic matter such as feces, feed residues, and bedding. Ammonia is produced quickly when the mat is wet, the pH is appropriate, the temperature is high, the feces are large, and there is a lot of air. The ammonia content of the livestock and poultry houses depends on the temperature of the house, the feeding density, the ventilation, the ground structure, the level of feeding management and the removal of manure. The other is ammonia in the gastrointestinal tract, which comes from feces, gastrointestinal carnivores, etc., and produces a lot of harmful gases, including ammonia, carbon dioxide, methane and hydrogen sulfide. These gases are harmful to pigs. Big.
When the ammonia concentration in the piggery reaches a high level, it will directly affect the pig's life. For the safety of the pigs in the pigsty, we remind you: we can install ammonia alarms for 24 hours online monitoring, which has reminded people. Shenzhen Dongri Yingneng Technology Co., Ltd. Production of harmful gas detection such as ammonia detection, carbon dioxide detection, methane detection and hydrogen sulfide detection.

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