The chicken fermentation bed is clean and healthy

Those who have been to a chicken farm will remember that when they did not go to the chicken farm, they smelled the foul smell of chicken droppings and saw flies fly. However, several chicken farms in Wuyang County did not have the slightest odor. Chicken droppings and flies were not easily found even in the chicken house. This is because they have applied a new type of eco-environmental maintenance chicken-dry-sweetbed technology. In this issue, we have published an article by Wu Jinshan, Senior Animal Pastor of Wuyang County Bureau of Animal Husbandry. We will introduce this technology in detail.

Advantages of Feeding Broiler Chickens in a Dry Spreader

The clean and environmentally-friendly fermentation process completely decomposes the chicken manure, achieving a non-polluting, zero-emission, non-dirty, and odor-free chicken breeding process, free of fly breeding.

Chickens are healthy and grow well

The fermentation mattress material eliminates the odor substances in the chicken excrement through physical absorption, chemical neutralization, and biochemical action of the fermentation process. The air quality of the chicken house is improved and the health of the chicken is improved.

Fermentation function bacteria are beneficial bacteria, and the beneficial bacteria in the environment and gastrointestinal tract of broilers are absolutely dominant. The harmful bacteria have almost no living space; the metabolism of pathogenic bacteria is mostly dominated by the process of corruption. In contrast to the fermentation process, the fermentation bed inhibits pathogens. The survival and growth; fermentation mattress material to keep dry, but also not conducive to the survival of coccidia oocysts. Therefore, broilers cannot easily infect pathogenic microorganisms on the fermentation bed, and the incidence of enteric infectious diseases such as E. coli and coccidiosis is significantly reduced.

The fermented bed fermentation provides a stable and stable warm ground. When the weather is suddenly changed or the heating facility is not operating properly, the temperature in the chicken house does not easily rise and fall, and the stress is reduced.

The contradiction between ventilation and warming in the broiler house of the fermentation bed is easy to coordinate, the ventilation is smooth, the air quality in the house is improved, and the respiratory disease, ascites, and intestinal diseases of the chicken are significantly reduced.

Provincial medicine workers, provincial coal and electric energy broiler chickens raised on the fermentation bed are relatively healthy, reducing the use of drugs; chicken management is simplified, saving labor; fermentation heat to reduce the use of coal for heating the shed more than 1/2.

Improving the quality of chickens in commercial chickens improves the quality of commercial chickens. Chickens are healthy and have less medication. The amount of chicken drug remains reduced. Under good management conditions, the big chicken stage can be used without medicine. The chicken lives on soft, dry ground and basically eliminates breast cysts. Product chicken plumage is complete and clean, not dirty and stinky.

What is the technique of dry-sweeping fermentation chicken

The dry-sweeping-bed technology for raising chickens evolved from dry-sweeping-bed technology. The key to the technology is to lay the ground with fermentation function in the hen house, and the ground is paved with a bedding added with a special fermentation bacterium. Fermentation is the process of growing and multiplying chicken manure with chicken manure as nutrients with the help of litter.

Fermentation bed technology is divided into wet fermentation and dry scattering. The wet-type fermentation bed needs to mix the litter material with the bacteria species and a certain proportion of water and then ferment it for a certain period of time. Then the litter is laid into the pens to feed the livestock and poultry. The so-called dry spread is the dry litter material and strains directly blending, while laying into the pens, will immediately be able to raise livestock and poultry fermentation bed technology.

The dry spreader bed is good for raising broilers. It is not suitable for caged chickens.

Although chickens in fermented-bed chickens and traditional litters are laid on the ground, the biochemical changes that occur in litters and the effects of litters are essentially different. Generally, the litter in the litter chicken is thinner, and the change of the chicken litter in the litter is mainly corruption process. It does not have the fermentation function and has little effect on the decomposition of chicken litter. The litter mainly absorbs the moisture and odor of chicken droppings. The role is not obvious heat production, litter is relatively wet, the odor in the house is heavy. On the contrary, the padding for chickens in fermented beds is thick and requires a thickness of about 40 cm. Special fermentation strains are added. The litter has a special fermentation function and can completely decompose chicken manure. There is almost no odor in the house and fermentation occurs. Heat and heat transpired the moisture in chicken manure to the air, and the litter remained dry.

Construction of a broiler house

In principle, the chicken coop must move east and west, facing south to the south, generally about 2 meters high and 3 meters above the roof. The windows should be large, especially the front windows. At the same time, additional skylights and windows should be added. The sunroof is about 50 cm in diameter, and each two have a skylight. In order to replenish the fresh air, with the skylight forming a circular air flow inside and outside, it is better to add a ground window at the root of the wall that is more than 20 centimeters above the ground of the fermentation bed. Each window is 25 centimeters and 20 centimeters in size, each opening a ground window. It can also be opened into several small local windows.

If the shed is high and the groundwater level is deep, a deeper fermentation tank can be made by digging within a depth of 40 cm. The fermentation tank is protected with cement mortar or brick walls. The bottom of the fermentation tank is a land surface and requires a level and dryness. If the groundwater table is shallow, or if the drainage of the chicken farms is not smooth in summer and autumn, the height of the fermentation tank should be properly raised. It is better to pave the material on the original land surface, that is, to make an above-ground fermentation bed. The south must use ground-style fermentation beds.

Advantages of maintaining land surface under litter:

It is conducive to ventilating and ventilating litter.

Barriers to the fermentation of viable bacteria. two

It is possible to carry excess moisture into the litter under abnormal conditions. Third, the natural flora in the soil can help fermentation. Moreover, the land surface saves investment over cement ground.

If you want to build a fermented-bed broiler house in a house with concrete floor, you can also spread the bedding directly on the concrete floor. Because all the broiler houses are laid on the ground of a fermentation bed, no heating facilities such as fire pits can be built under the ground, and heating is usually done by a heater.

Ferment bed maintenance management

When the weather is cold, even if there is no natural wind, the purpose of ventilation and ventilation can be achieved by opening the sunroof and the ground window. In the hot weather, the ventilation fan and the cooling fan must be used for ventilation and cooling.

Early broiler chickens have to turn the upper litter on a regular basis. Its purpose is to divert chicken waste from the surface into the inside of the litter, and to increase the permeability of the litter. Fermentation of the fermentation bed is aerobic fermentation and requires a lot of oxygen. Only the air permeability of the mat can supply oxygen and exhaust gas. Chicken manure cannot be fermented on the surface of the litter. Only by adding chicken manure to the litter, the decomposition rate of the ferment will be faster. Usually 5-7 days can be flipped once. When the flock is obviously affected, the number of turnings should be increased. It is best to flip once a day to reduce the surface pathogen on the litter. The turning depth is 10-20 cm. Each batch of chickens should be thoroughly turned once after slaughter, and the depth should be 30 cm. It is best to use iron fork for flipping the padding, but iron palladium can also be used.

From the 30th day of the broiler to the slaughter, no littering can be done. After the broiler is slaughtered, a small amount of water is sprayed on the surface of the litter, the litter is turned about 20 centimeters deep, chicken litter is turned into the middle layer of the litter, and at the same time, attention is paid to breaking the shit. This chicken manure will be degraded by fermentation within a few days. The advantage of not overturning the litter in the later period is to reduce the fermentation heat during the big chicken stage, which is necessary to reduce the temperature of the chicken house on hot days. The second is to postpone the heat production process of fermentation until the next batch of broods, providing a warm environment for the chicks. The third is to reduce the amount of labor and eliminate the frightening of chickens in the flipping process.

In the breeding process, the fermentation needs to decompose and consume some litter, and the fermented mattress material will gradually decrease. In general, 4-5 batches of broilers are to be slaughtered, and a small amount of padding (about 5 cm thick) should be added to keep the padding about 40 cm thick. The new litter is laid on top of the old litter and does not have to be mixed. Supplemental litter to add the appropriate proportion of fermentation strains.

As long as the mat's fermentation function is normal, the old litter does not have to be cleaned or replaced. According to the estimation of the service life of porcine fermentation mattress materials, broiler fermentation mattress materials can be used for at least 3 years. As long as there is no odor in the chicken house, the function of the fermentation bed is normal.

The litter of the dry spreader should be kept as dry as possible in principle. This not only has a good fermentation effect, but also the chicken lives comfortably on the litter. Therefore, it is necessary to prevent moisture other than chicken droppings from entering the fermentation bed. Drinking water containers should be checked and maintained in a timely manner to prevent leakage, and care should be taken to prevent rain and groundwater from entering the litter. However, due to the small amount of moisture in the chicken droppings, the litter is likely to be too dry, thereby affecting the fermentation of chicken litter in the litter and affecting the humidity in the house. Therefore, when the air humidity is low, some water may be sprayed in an appropriate amount, and during most of the time, the upper pad is kept slightly moist to the touch.

If the broiler fermentation bed needs to be fed into the chicken for a period of time after use, as long as it keeps the litter dry, the fermentation function of the litter will not fail within two months.

Fermentation mattress material laying

Prepare litter materials and strains before laying the fermentation bed.

The litter material is preferably sawdust. If there is little sawdust or the price is high, it can be replaced by shavings, rice husks, peanut shells, corn kernels and various crop straws. The crushed cotton stalk (appropriately thicker than sawdust) has a similar effect to sawdust. All the lower layers of the fermentation bed can use unpeeled peanut shells and straw. The litter material should be dry and the wet material should be dried. If there is a small amount of wet sawdust, it can be used on the top layer. It is forbidden to use moldy and toxic litter materials, in which the plastic debris must be picked clean. Each ton of dry sawdust can spread about 13 square meters of fermented bed, the amount of raw materials used for other litter reference to sawdust.

Fermentation strains are diluted prior to spreading. According to the fermentation bed area, first calculate the amount of bacteria (13-15 square meters per kilogram of bacteria), and mix the bacteria with corn flour, wheat bran or rice bran in a ratio of 1:5 to 1:10, and divide into 4 equal portions. (Adding cornmeal can provide nutrients for the revival of the strain).

The padding material is spread in four layers, and each layer is spread on top of the layer of bacteria. It is also possible to first mix the litter with the bacteria and spread them once.

After the padding is laid, the chicken can be fed immediately.

Flock management

Fermented bed chickens generally use heater heaters.

The broilers fed on the fermentation bed can be bred in the special brooding shed in the early stage, and then transferred to the two-stage feeding mode in the broiler house of the fermentation bed, or they can all be kept on the fermentation bed. In the latter mode, brooding takes place in a smaller brooding area. The brooding area is separated from the outside world by a plastic film. As the age of the chick grows, the brooding area gradually expands outwards, and the mid-large chicken stage fills the entire fermentation bed house. Chicken density is 8-9 eggs per square meter.

The use of antibacterial drugs, spraying of disinfectant and fumigation before the chicks enter the house during the rearing of the flock will not significantly affect the viability of the fermentation bed. Because on the one hand, these drugs are immobilized on the surface by the adsorption of litter. On the other hand, the amount of drugs is very different from the total amount of litter and has little effect. Moreover, these drugs are also gradually degraded in the litter.

The dry spreader can also be used for ducks and geese. The fermentation bed ducks are basically the same as the broilers.

In the broiler house where two batches of broiler chickens have been slaughtered, the litter was excavated and water vapor appeared, indicating that the litter was still decomposing chicken manure and heat production. The litter is odorless.

The lower mat is still soft but slightly sticky, and the color is not much different from the new bedding color.

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