In order to effectively prevent and control major animal epidemics and ensure the quality and safety of animal products, dairy cattle farmers should deal with dead cows in a harmless manner. There are many methods for harmless treatment: such as burial, incineration, chemical systems, and fermentation. Due to the large size of dairy cows, deep burial is the simplest and most effective method for the harmless treatment of cow corpses. The specific operation of the "burial method" is as follows:
First, select a location
Deep-buried areas should be high-land zones, and they should be far away from residential areas, water sources, flood discharge areas, grasslands, and traffic arteries, avoid rocky areas, and be located in the downwind direction that prevails in the direction of the wind, without affecting agricultural production and avoiding public views.
Second, digging pit
The size of the pit depends on the size of the cows that need to be buried. In general, the cow’s body requirements are: 2.5 meters long, 1.5 meters wide, and 2 meters deep.
Third, buried
1. Bottom treatment: Lay lime at the bottom of the pit, about 0.5 to 2 kg per square meter, and the amount can be increased or decreased according to the size of the body.
2. Corpse treatment: The body should be sprayed with 10% bleaching supernatant for 2 hours.
3, into the pit: put the animal carcasses it treated into the pit, so that it is on the side (preferably using diesel to burn the cow's body), and the contaminated soil and transport of the body related pollutants such as bedding, ropes, feed A small amount of milk and other items were merged into the pit.
4. Buried: Cover the body with a 40 cm layer of soil first, then add about 2 to 5 cm thick lime powder, then bury it, level the ground, and cover the soil so as not to be too solid, so as not to cause bubbles and liquid leakage.
5, site inspection: to confirm whether there are bodies and pollutants exposed outside the ground.
Fourth, pay attention to matters
1. Never cover lime directly on the corpse, because hydrated lime will slow down or prevent the decomposition of the body in wet conditions.
2. The buried pit bottom should be more than 1.5 meters above groundwater level, and it must be impermeable and leakproof. The thickness of the cover soil is not less than 1-1.2 meters.
3. After burying, set a warning sign at the burial site.
4. After burying, it should be inspected once a day in the first week, once a week from the second week, and continuously patrol for 3 months. Covered pits should be timely covered with cover soil.
5. Immediately after burying, completely disinfect the burial site with a chlorine preparation, bleaching powder, or quicklime disinfectant. The first week should be disinfected once a day, the second week should be disinfected once a week, and continuously disinfected for more than three weeks. Vehicles transporting corpses and burying personnel must be sterilized in time to prevent the spread of disease.
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