Chicken manure is an inexpensive low-energy feed, especially when modern protein feed is expensive and energy and feed is relatively low. Using chicken manure instead of some protein materials not only supplements energy feed, but also greatly improves the economic benefits of animal husbandry and reduces pollution. , purify the environment. Feeding ruminants with chicken manure has a much higher protein digestibility because rumen microbes can use organic acids (about 35%) in chicken manure as an energy source to make crude protein that cannot be used by animals become available. Bacterial protein. At present, the fermentation methods of chicken manure are as follows:
First, the principle of natural silage fermentation and the production method and the conventional method for the same silage. The chicken manure silage container can be a cylinder, a pool or a silo tower.
Formulation 1: Firstly, 70% chicken manure, 20% forage or straw powder, 10% bran, and mixed in proportion, the moisture content is about 60% (see the water without dripping water by hand), and then put It can be put into the pool (窖) and sealed for 4 to 6 weeks. After silage fermentation, the chicken manure is shaped like yellow sauce, the color is yellowish green, and has the taste of distiller's grains, which can increase palatability. This method processed chicken manure, and after pathological quarantine, no pathogenic bacteria were found.
Formula 2: Mix fresh chicken manure and bran in a ratio of 3:2 or half with broken barley, and control the moisture in about 50% into silage, seal fermentation, keep the temperature above 5 °C, after 20-40 days Can be used for reclaiming. This kind of silage is mixed with straw and hay, and has good palatability.
Formula 3: Chicken dung mats mixed silage: Before using the bedding to collect chicken manure, the mat should be cut into a length of about 5 cm, and the mixture of bedding and chicken manure is directly silaged and fermented to feed the cow. However, it should be noted that the type and amount of bedding selected should be suitable for the needs of cattle.
Formula 4: Chicken manure silage fermentation method introduced by Japanese data: chicken manure (semi-dry chicken manure is better), grass, bean cake, rice bran and husk (promoting fermentation), proportioned into the cylinder, and the cylinder mouth is closed. It is pressed against the stone for lactic acid fermentation and can be used after 3 to 5 weeks. The prepared feed has improved palatability and absorption rate and is suitable for feeding into chickens, fattening pigs and breeding sows.
Second, the Institute of Biochemistry Xiangfan plus the koji fermentation process a suitable culture Isolation of chicken P2 strain was identified as Aspergillus oryzae mildew manure from farm, was determined not produce aflatoxin B1. The strain used in this strain is composed of 5 to 6 billion spores per gram of dry koji, and the koji is yellow, and the fermentation power is strong. Fermented chicken manure with this kind of koji, its product smell is pure, no odor, the crude protein content is over 29%, the reducing sugar is increased by more than 3.5%, and the total free amino acid is increased by 3.5 times. The feeding experiment proved that with 30% of the fermented chicken manure fattening pigs, the pigs grow fast and have strong disease resistance, the ratio of meat to material is 1:3.34, and the ratio of meat to whole feed compound pigs is 1:3.40, the difference is not significant. (P>0.05). Fresh chicken manure 70%, bran 10%, rice bran 15% plus koji powder 5%, mix with water, mix well, into the 窖 (pool, tank) closed fermentation for 48 ~ 72 hours, you can feed.
Two points that should be noted: First, it is important to note that the water content of chicken manure (along with bedding such as straw, sawdust, etc.) is preferably maintained at 32% to 38%. If the moisture is too high, it will become too acidic, and if the moisture is too low, the fermentation will not proceed normally. Therefore, before the chicken manure is loaded, the water content should be determined, and the water content should be properly added; if the water is too high, the bran can be adjusted. Second, the fermentation time varies with temperature. In the temperate and subtropical regions, it usually takes 3 months in winter and 1 month in summer. The fermentation condition can be judged by measuring the internal temperature: when the fermentation starts, the temperature can gradually rise due to the heat generated by the bacteria, and the internal temperature can reach up to 83 °C, and will not rise any more. When the internal temperature is equal to the outside temperature, it is proved that the fermentation is stopped, and the chicken manure can be taken out.
3. Chicken feces EM bacterial fermentation method Chicken manure collection: In order to facilitate the clearing of chicken manure, the wheat bran, rice bran or grass powder is used as a bedding under the cage of the chicken house. The ratio of litter to chicken manure is roughly 3:2, the moisture content of the mixture of chicken manure and litter is about 35%. The chicken manure collected must be fresh chicken manure without plague chicken. The best effect of cleaning and fermenting on the same day is no more than 3 days in summer. Winter cannot exceed 5 days. Chicken manure fed with high-dose additives for a long time was less effective with EM fermentation.
EM bacterial solution dosage and preparation method: according to the mixture of 500 kg chicken dung mat mix, 400 ml EM bacterial solution, 400 g brown sugar, the specific operation method is to first determine the amount of chicken manure to be processed, and calculate EM proportionally For the amount of bacteria liquid and brown sugar, dissolve the brown sugar with a small amount of warm water of about 50 °C, then add appropriate amount of cold water to dilute, then add the required EM liquid, and add 5% of the amount of chicken manure and litter to the clear water. Mix and use.
EM fermentation treatment of chicken manure: the cleaned chicken manure is layered into the fermentation tank, and the small chicken farm can be treated with a cylinder. Each layer is 20 cm thick, and each layer is uniformly sprayed with EM dilution solution, fermenting chicken manure and litter. The moisture content is generally about 40%. For every 20 cm thick layer of chicken manure, spray EM diluted bacteria solution once, repeat the operation until it is full, and seal the fermentation with plastic cloth. Visual inspection of EM fermented chicken manure: Under normal temperature conditions, EM fermentation of chicken manure takes only 3 days in summer and 5 to 7 days in winter to complete fermentation. The chicken manure fermented by EM bacteria liquid replaces the odor with acidity and fragrance, and the plastic cloth is opened. The surface of the fermented chicken manure is covered with white hyphae, which means that the fermentation is successful and can be used for feeding cows.
There are scattered chicken feathers in the chicken manure, which is harmful to the rumen of the cow. During the processing, special attention is paid to cleaning the feathers in the chicken manure.
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