Chicken manure is a cheap, low-energy feed, especially when modern protein feeds are expensive and energy feeds are relatively unfavorable. Using chicken manure instead of some protein material not only supplements energy feed, but also greatly improves the economic efficiency of livestock husbandry and reduces pollution. , purify the environment. Feeding ruminants with chicken manure results in much higher protein digestibility, because rumen microbes can use organic acids (about 35%) in chicken manure as energy, making crude protein unavailable to animals useable. The bacterial protein. At present, chicken manure fermentation methods are as follows: First, the natural silage fermentation method The principle and production of the method is the same as the conventional silage method. Chicken manure silage containers can be cylinders, pools or silo towers. Formula one: first chicken dung 70%, straw or straw powder 20%, bran 10%, mixed in proportion, the moisture content of about 60% (hand grasping the material see the water mark without drip beads), and then put Into the pool (cellar) within the practical, sealed 4 to 6 weeks can be. After silage fermentation, the chicken manure resembles yellow sauce with a yellow-green color and a distiller's grain taste, which increases palatability. This method of processing chicken manure, the pathological quarantine found no pathogenic bacteria. Formula 2: Mix fresh chicken manure with wheat bran in a ratio of 3:2 or half of the crushed barley kernels. Moisture content is controlled at about 50% in a silo. The fermentation is sealed and the temperature is maintained above 5°C. After 20 to 40 days Open cellar can be used. This silage is mixed with straw and hay to provide good palatability. Formula 3: chicken litter mat grass mixed silage: the use of bedding to collect chicken manure should be rammed grass into a length of about 5 cm, the mat grass and chicken manure mixture directly silage fermentation after feeding cows. However, it should be noted that the type and quantity of bedding selected should be suitable for the needs of cattle. Recipe No. 4: Japanese manure silage fermentation method introduced in Japanese data: chicken manure (betterly dry chicken manure), grass, bean cake, rice bran, and glume (promoting fermentation) are added to the cylinder in proportion and the cylinder port is closed. The stone is pressed for lactic acid fermentation and can be used after 3 to 5 weeks. The preparation of this feed, palatability and absorption rate have improved, suitable for feeding chickens, fattening pigs and breeding sows. Second, Jiaqu fermentation method Xiangfan City Institute of Biochemistry from the poultry chicken farm feces isolated and selected a strain suitable for the fermentation of chicken manure P2 strain, initially identified as Aspergillus oryzae, was determined not to produce aflatoxin B1. The strain used this strain to make koji. Each gram of dried koji contained 5 to 6 billion spores, yellow curve and strong fermentation power. With this song fermented chicken manure, the product smells pure, no offensive odor, crude protein content of more than 29%, reducing sugar increased by 3.5%, the total free amino acid increased by 3.5 times. Feeding tests showed that with 30% of this fermented chicken manure pigs, the pigs grew fast, the disease resistance was strong, the ratio of meat to meat was 1:3.34, and the ratio of meat to whole fed compound pigs was 1:3.40. The difference was not significant. (P>0.05). Fresh chicken dung 70%, bran 10%, rice bran 15% plus wine 5%, mixed with water, adequate mix, into the pit (pool, cylinder) closed fermentation 48 to 72 hours, you can feed. Two things that should be noted: First, it should be noted that the moisture content of chicken manure (along with bedding such as straw, sawdust, etc.) is best kept at 32% to 38%. If the water is too high, it will become too acidic and the water will be too low to ferment properly. Therefore, before the chicken manure is loaded, the moisture content must be measured. The lack of moisture should be properly added; the moisture content can be increased by adding bran bran. Second, the fermentation time varies depending on the temperature. In the temperate and subtropical regions, it usually takes 3 months in the winter and 1 month in the summer. Fermentation can be judged by measuring its internal temperature: At the beginning of fermentation, the temperature can be gradually increased due to bacterial activity and heat production. The internal temperature can reach as high as about 83°C, and it will not increase afterwards. When the internal temperature is equal to the outside temperature, it proves that the fermentation is stopped, then the pit can be opened and the chicken manure can be taken out. Third, the chicken manure EM bacteria liquid fermentation chicken manure collection: In order to facilitate the chicken manure to find, under the cage with wheat bran, rice bran or grass powder as litter, litter and chicken manure ratio is roughly 3:2, so that the mixture of chicken manure and litter moisture content of about 35%, the chicken manure collected must be fresh chicken manure without chickens, the best day to clean up the fermentation, the latest by no more than 3 days in summer, Winter must not exceed 5 days. Long-term feeding of high-dose chicken manure, the use of EM fermentation treatment effect is poor. The amount of EM bacteria solution and preparation method: According to 500 kg of chicken manure pad mixture, 400 ml EM bacteria solution, 400 g of brown sugar ratio to match, the specific method of operation is to first determine the amount of chicken manure to be treated, and calculate the proportion of EM For the amount of broth and brown sugar, dissolve the brown sugar with a small amount of warm water at about 50°C, dilute with appropriate cold water, add the desired EM solution, and add enough water to treat 5% of the chicken manure and litter. Mix well for use. EM Fermentation of Chicken Manure: The cleaned chicken manure is layered into the fermentation tank. The small chicken farm can be treated with a cylinder. Each layer is 20 cm thick, and each layer is evenly sprayed with EM diluent in proportion. Fermented chicken manure and litter The moisture content is generally about 40%, and each layer of chicken manure is added to a layer of 20 cm thick, and the EM diluted bacteriostatic liquid is sprayed in proportion. The operation is repeated until it is full, and the fermentation is sealed with a plastic cloth. EM Fermentation Chicken manure inspection: At room temperature, chicken manure EM fermentation needs only 3 days in summer and 5-7 days in winter. After chicken manure was fermented by EM bacteria liquid, the acid and aroma replaced the odor, the plastic cloth was opened, and the surface of the fermented chicken manure was covered with white hyphae. It was considered that the fermentation was successful and could be used for feeding cows. There are chicken feathers scattered in the chicken droppings, which damage the cow's rumen. During the processing, special attention is paid to cleaning feathers in the chicken droppings.
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