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The reason of fatty liver formation in layer chicken

The most common disease in laying hens in spring and autumn is fatty liver syndrome. What is the cause of this disease? In general, the cause of fatty liver is due to poor metabolism, which causes two kinds of diseases.

First, over-nutrition, spring is mostly the reason, winter chicks feed intake is relatively high in chicken battery cages ,after a winter, causing excess nutrients, excess energy is stored in the form of fat, especially in the liver, eventually forming fatty liver . If no measures are taken at this time, it is easy to cause continuous death of the laying hens, and some can continue into the summer.

Second, lack of nutrition, as well as lack of vitamins, also includes the lack of absorbable proteins in the feed. The lack of these substances can affect the transport of fat from the liver and form dystrophic fatty liver. Fatty liver caused by this condition, the laying hens are relatively light weight. In this case, it is necessary to prescribe the right medicine and strengthen the feed nutrition. Can not blindly pursue the low price of feed. It is best to choose a feed to ensure the quality of the bulk material. The formula is adjusted strictly according to the needs of each laying hen.

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Improve laying rate of laying hens in winter and spring

Since the beginning of winter, with the temperature drop, the laying rate of many laying hens will be reduced to varying degrees, which will cause considerable losses to the breeders who have not been able to raise chickens. So how do you make the laying hens fully play their production performance in winter and spring, maintain stable and high yield, and then get good economic benefits?

1. Strengthen nutrition.

The weather is cold, the energy consumption of the laying hens increases, and the feed intake will increase accordingly. At this time, the laying hens should feed the compound feed with higher heat energy, and adjust the feed formula to enhance the ability of the laying hens to keep out the cold. Feed 4 to 5 times a day. Conditionally, let the chicken drink clean warm water. Many farmers increase egg production by adding 3% to 5% of the oil to the feed diet or by adding 0.2% choline chloride to the diet.

2. To enhance heating and insulation.

Laying hens have a higher egg production rate at 17-21 °C; when the temperature is lower than 5 °C, the egg production rate decreases; if the temperature is too low, the feed consumption will increase. Therefore, the appropriate temperature is the key to ensuring stable and high yield of laying hens. Before every cold current comes, we must carefully check the doors, windows, walls, etc., especially to prevent the invasion of thieves. If conditions permit, heating can be done through facilities such as coal stoves and floor heating stoves.

3. Strengthen ventilated take a breath

While doing a good job of heat preservation, be sure to pay attention to the ventilation of the chicken house. Many chicken farmers tend to pay attention to heat preservation and neglect ventilation, resulting in poor air flow in the house, harmful gases such as carbon dioxide and ammonia, and insufficient oxygen, causing strong stress on the chicken body, causing respiratory diseases, which in turn affect the chickens. Normal egg production. It is recommended to ventilate at noon with no wind and no wind.

4. To properly supplement the lighting.

Lack of light in winter, short time of natural light, easy to drop the rate of egg production.Therefore, artificial supplementary illumination should be adopted.Daily light should not be less than 16.5 hours, should pay attention to the daily light time can not suddenly increase, to gradually increase the light time, otherwise easy to cause rectocele.

5. To strengthen the epidemic prevention.

In the winter and spring, the high incidence of laying hens mainly includes chronic respiratory diseases, atypical Newcastle disease and infectious laryngotracheitis, so in the winter, the chicken houses should be disinfected regularly. Generally, it is carried out once every 5~7 days, and the disinfectant should be used in a cross rotation. The time is generally better at noon in normal weather. It is also possible to regularly put some heat-clearing and detoxifying Chinese herbal medicines for prevention; vaccination and weather changes should increase the number of electrolysis in drinking water for several days; at the same time, it should be immunized on time according to procedures to prevent other infectious diseases.

Note: be sure to clean the poultry battery cages in time to avoid bacteria breeding

6. It is necessary to clean the chickens in time.

In order to ensure the health of the flock and the high egg production rate in winter, the weak and low-yielding chickens should be eliminated in time to ensure that the flocks have higher uniformity and lower the ratio of eggs to eggs, thus creating higher breeding benefits.

 

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Some common symptoms of chicken disease

Chickens are inevitably sick when raising chickens, but they must be prevented at all times. What is the performance of sick chicken?


1, you can first observe the cockscomb, whether there is obvious color change near the eyes; and whether the chicken's mouth is abnormal, you can also observe whether the chicken head is abnormal, etc., these are relatively straight to see.


2, can compare the food consumption of chicken, if the chicken's food intake drops significantly, it is very likely that it is ill. For chickens who eat less or not eat, it is best to check carefully.


3, sometimes more observation of chicken manure can also be seen whether the chicken is sick, if the chicken manure is sparse, long-term sparse, it may be sick. The second is the color of chicken manure. If the color of green and flesh red appears to be ill, it is necessary to treat it.


Sometimes you can go to the chicken battery cages at night to hear if there is any sound. Normal chickens will be quiet at night. If there are sick chickens, their breathing will be abnormal. I hope that these will bring you some help.

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Is it better to raise chickens in open chicken houses or closed chicken houses?

1. The advantages of the open house are that the design, building materials, construction process and internal installation conditions are simple, the cost is low, energy is saved, and the investment is small. In the case of a sports field and green feed, the requirements for the feed are not strict, and Chickens can be active, with good adaptability and strong physical fitness.

The shortcoming is that the chicken's physiological condition and production performance are affected by changes in external conditions. It is open management, and the chicken body is likely to be infected by various means such as insects, birds, soil, air, etc.; More. In particular, the chicken house is greatly affected by the external environment, the temperature regulation effect is not obvious, especially the light is not easy to control, and the sexual maturity of the chicken cannot be well controlled. The seasonality of production is extremely obvious, which is not conducive to balanced production and guarantee the normal market. Supply is not applicable in cold regions.

2. Semi-enclosed is the advantage of the chicken house: when natural conditions such as light, temperature, etc. are suitable for the growth of the flock, as with the open house, natural conditions can be used to meet the growth and production of the flock. When the natural conditions are not suitable for the production and growth of the flock, if the temperature is low, the heating equipment can be activated to provide suitable temperature for the flock to produce; when the temperature is too high, the cooling device can be started and ventilated. The equipment is cooled and ventilated to provide a suitable environment for the flock to produce; when the external environment is free of wind, the ventilation device can be activated for ventilation.

The disadvantage is that the sealing is relatively poor, and when the vertical ventilation is used to cool down, the effect is not good. It is also not suitable for cold areas and cannot be insulated during winter.

3. The advantage of the closed chicken house is that the roof and the four walls are well separated and have good thermal insulation ability, which can eliminate or reduce the influence of some unfavorable natural factors such as severe cold, squally wind and heavy rain on the flock. Controlling the sexual maturity of chickens, providing a more suitable living and production environment for the chickens; the well-closed houses are basically closed to prevent the introduction of diseases by natural media; artificially controlling the light can help control the sex of the chickens. Mature and stimulating laying of eggs, it is also convenient for the chickens to limit feeding, forced moulting and other measures. The activity of the chicken is restricted and the heat dissipation of the chicken body is reduced during the cold season, so the feed compensation is increased.

The shortcomings are high investment in construction and poultry feeding equipment, high construction standards and a large number of ancillary equipment; high stocking density, the chances of chickens infecting each other with diseases; ventilation, lighting, feeding and drinking water all rely on electricity, requiring There must be a reliable power supply, otherwise there will be a serious impact on the production of chickens in the event of a power outage.

 

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How to Improve the Environment of Chicken Farm


The environment of the chicken factory is also very important for the health of the chicken. The number of breeding is increasing and the density is getting bigger and bigger. Then there are many problems in the environment of the chicken farm. How to improve it?

The sanitation of the chicken factory is not clean, the disinfection awareness is not strong, and the disinfection equipment is not used at all, and it does not function effectively. Or buy a cheap disinfectant, most do not target the virus and bacteria in the house to choose a targeted disinfectant, the temperature of the house will be lower when disinfected, the closure is poor, the chicken will be in the sterilized house It is easy to cross-infect with chicken stalls that are not disinfected, increasing the risk of breeding.

Provide more ventilation management and timely control of temperature and humidity in poultry farming cage. Ventilation should be carried out to ensure the air quality when ensuring the proper temperature in the house. The discarded drugs should be treated in a harmless manner to ensure no pollution and prevent the spread of pathogens.

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Precautions for raising chickens in spring

The use of chicken cages to raise chickens is a popular chicken raising method in the chicken industry. The chicken cages are raised in a multi-layer cage. The breeding density is large and the number is large. It is very popular among farmers, using chicken cages to raise chickens, and which are Need to pay attention to the chickens to pay attention to the matter, only pay attention to all aspects of feeding points, scientific and reasonable breeding can be able to raise the higher yield of the chickens, the following authors to tell the majority of farmers to use the chicken battery cages in spring Chicken's precautions.

1. Prevent cold stress

Henhouse at low temperature, to appropriately increase the proportion of the energy feed, increase feed quantity, generally l - 2 days before the cold wave, every bird increased feed 10-20 grams per day, every 3 ℃, below the temperature should be 5 g to feed more than chicken feed.Additional, can the day before the air temperature dips suddenly, feed the medicaments that prevents cold stress to the chicken, can use rebound source 3 days continuously, 400-500 catty expect/bottle.In addition, the scheme can also effectively prevent and control the Yang damage caused by external wind chill, such as feather changing, shed expanding, wet curtain and fan opening, etc..

2. Immune stress prevention

Before vaccination, check whether the chickens are healthy and should be used with caution in unhealthy or weak flocks;Two days before and two days after vaccination, chickens were given anti-stress drugs to improve their resistance and reduce the stress response.If a chicken develops respiratory symptoms or diarrhea after vaccination, use golden bezoar - used in the respiratory system to resolve phlegm problems.

3. Avoid group panic

(1) keep quiet inside and outside the chicken coop and surrounding environment.
(2) the keeper should keep relatively stable, fix the working clothes and procedures, and move gently.Unauthorized personnel are strictly prohibited to enter the chicken coop.
(3) strictly prevent dogs, cats, rats and other animals into the hen house.
(4) feed processing, loading and unloading should be away from the chicken coop.
(5) the addition of 1000g of large tonic feed per ton of compound feed can prevent and reduce the occurrence of stress.

Disease prevention

1. Formulate reasonable epidemic prevention procedures according to the situation of infectious diseases in the region and the actual situation, and carry out epidemic prevention on a regular basis.

2. Every four weeks or so in the feed to add large tonic, continuous use 3-5 days, enhance the disease resistance of chicken.

3. Add a certain amount of recovery source + golden Abe into drinking water, and prevent and control colds, bird flu (balloon inflammation, peritonitis, bronchial embolism) and adenomyogastritis in the whole process.At the same time, we need to carefully observe the chickens, early detection, isolation, diagnosis and treatment of sick chickens, proper treatment of sick chickens.

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Chicken farming equipment and utensils

1. Chicken cage is the main equipment for cage chicken houses.

(1) chick cage: it is used to raise chicks in a cage, generally 3-4 layers of overlapping cage.The total height of the cage is about 1.7 meters, and the foot of the cage frame is 10 ~ 15 cm high. The length of each single cage is 70 ~ 100 cm, the height of the cage is 30 ~ 40 cm, and the depth of the cage is 40 ~ 50 cm.The mesh is usually rectangular or square, with a diameter of 1.25 cm 1.25 cm for the bottom mesh and 2.5X2.5 cm for the side and top mesh.The cage door is set in the front, the cage door clearance can be adjusted for 2 ~ 3 cm, each cage can accommodate about 30 chicks.

(2) broiler cage: the combined form mostly adopts three-layer overlapping type, with the overall width of 1.6 ~ 1.7 meters and the height of 1.7 ~ 1.8 meters.The single cage is 80 cm long, 40 cm high and 42 cm deep.Cage bottom mesh 4 cm x 2 cm, the rest of the mesh are 2.5 centimeters by 2.5 centimeters.The size of the cage door is 14 cm x 15 cm, each single cage can accommodate 7 ~ 15 broilers.

 

 

(3) Layer battery cages: The common forms are stepped, semi-stepped and overlapping. Each single cage is 40 cm long, 45 cm deep, 45 cm high at the front, 38 cm high at the back, and 6° at the bottom of the cage. ~8°. The egg collecting trough extending out of the cage is 12 to 16 cm. The front of the cage door is open, 21 to 24 cm wide; 40 cm high; the lower edge leaves a gap of 4.5 cm from the bottom net. The cage bottom mesh has a hole spacing of 2.2 cm and a weft pitch of 6 cm. The pore size range of the top, side and back nets varies greatly. Generally, the mesh spacing is 10-20 cm, the weft spacing is 2.5-3 cm, and each single cage can raise 3~4 chickens.

Different poultry equipment suppliers will provide chicken coops of different sizes, as the case may be.

2. The feeding equipment includes a feeding machine and a trough. The feeding system of the large chicken farm is mechanized, and the feeding machinery is equipped with a trough.

(1) Chain feeder: It is the most commonly used feeder in China's feeding machinery. It can be used in both flat and cage. It consists of a bin, a link, a drive, a corner wheel, a long trough, and some, and some are equipped with a feed cleaner.

(2) Plug-type feeder: It is designed for dry chicken houses and is suitable for conveying dry powder full-price feed. The 9WS--35 plug-in feeder consists of transmission parts, material boxes, troughs, conveying parts, corners, brackets and other components.

(3) Trough: common long trough and bucket-shaped round trough.

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About additives in chicken feed

Antioxidants, in the process of feed storage, the addition of antioxidants can reduce the oxidation loss of vitamins, fats and other nutrients. Antibiotics have antibacterial effects. Some antibiotics can be used as additives to inhibit the activity of harmful bacteria in the intestinal tract of chickens. Resistant to multiple respiratory and digestive diseases, improve feed utilization, promote weight gain and egg production, especially when the chicken is in adversity. When using antibiotic additives, it is necessary to pay attention to the alternate action of several antibiotics, so as to avoid the resistance of harmful microorganisms in the intestinal tract of the chicken and reduce the control effect. In order to avoid drug resistance and product residue is too high, should be used at intervals, and strictly control the amount of addition, use less or with caution the antibiotics shared by humans and animals.

The egg yolk coloring agent, after adding the egg yolk coloring agent to the feed, can improve the egg yellow color, and even feeding for half a month, can maintain the dark yellow color of the egg yolk for two months, and can also increase the appetite of the chicken and increase the egg production rate for chicken in Poultry Equipment for Sale.

Anti-fungal agent, in the process of feed storage, in order to prevent the mold from mildew and deterioration, maintain good palatability and nutritional value, add anti-mold agent to the feed.

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Scientific feeding management of broilers

1. Feeding density New chicken farms can be raised at 8 to 12/m2, and old chicken farms should be kept at a lower density. For chicken farms with poor heatstroke prevention and cooling conditions, the density of chickens should be reduced in summer, preferably 5-8/m2.

 

2. Sanitary disinfection of chicken houses There is a disinfection tank at the entrance of the chicken club. It is necessary to thoroughly disinfect the broiler cage equipment and the surrounding environment regularly, regularly remove chicken droppings or replace the litter. Scaffolding or online chicken can spread hydrogen phosphate on the ground. calcium. Because peracetic acid can form a non-toxic acetic acid hinge with ammonia gas, calcium hydrogen phosphate can synthesize odorless solid phosphate with ammonia gas, thereby reducing the ammonia content.

 

 

3. The ventilation of the house will ventilate the house to avoid various diseases that cause the flock due to air pollution in the house. For example, after 35 days (or even a little more time), the chicken snoring may not be an infectious disease, but related to ammonia. There are several solutions: one is to remove chicken manure or replace the litter regularly to solve the problem of sanitation; the second is to add zeolite to the feed to reduce the production of ammonia; the third is to open the window when the weather is warm. However, beware of the thief wind, the chicken house should be arranged with a fan or longitudinal ventilation.

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Use and maintenance of equipment in layer cage

Due to the high density of chickens and strict requirements on facilities, the equipment maintenance should be highly valued to avoid accidents.It is suggested to pay attention to the following issues when using the complete set of equipment for layered layer chicken cage breeding:

 

1. Power assurance system

In addition to the conventional power system, generators that match the chicken farm must be required and can be switched automatically.

 

2. illumination

Ensure uniform illumination in the house, use a split-level installation of the bulb or use a row of lights.

 

 

3. Drinking water system

The water supply line of the layered layer cage equipment is set in the middle of the top of each layer of the chicken cage. Two nipples are set in each cage for the chickens on the left and right sides to drink water.This way, the spray won't fall into the manure, making it even drier.

A strainer, a smart water meter, a dosing device and a pressure reducing regulator are provided at the front of each water line.With the digital information of the smart water meter, the daily drinking situation of the chickens can be understood, and the health status of the chickens can also be judged.

 

4. Nightsoil system

The faecal system of the cascading laying hen cage equipment has a unique structure. A longitudinal clearing belt is arranged under each layer of the chicken cage, so that the chicken manure of each layer of chickens is scattered on the septic belt in the longitudinal direction. Under the action of flowing air, most of the water in the chicken manure is taken out of the house, so that the water content of the chicken manure is greatly reduced. Because the chicken manure was layered and dried in the house, there was no fermentation, and each time it was cleaned very cleanly, the ammonia concentration in the house was extremely low, and the air in the house was fresh, which created a good growth for the chickens. Conditions reduce the incidence of disease.

 

5. Automatic egg collection and delivery system

The automatic egg collection and delivery system is an important part of the cascading laying hen cage equipment. In the process of collecting and transporting eggs, any link may affect the rate of breaking eggs. In order to achieve the best results in the whole egg collection process, the design of the egg collection system considers the following two main problems.

 

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How to use chicken vaccine

When we raise chicken in poultry farming equipment,we will definitely use the vaccine.,But how to use vaccine?

Remember to save after purchasing the vaccine. The highly pathogenic vaccine is an oil emulsion inactivated vaccine, and the suitable temperature for storage is 2 ° C to 8 ° C. The vaccine is afraid of freezing and is afraid of high temperatures. Freezing will stratify the vaccine oil and milk, affecting the quality of the vaccine; high temperature will reduce the vaccine titer and shorten the vaccine storage time. Especially in areas with low temperatures, the vaccine should be placed in the incubator immediately after purchase. It is best to cover 3 to 4 layers of paper. After fastening the lid, quickly transport it to the room or into the room.

Transport. Antifreeze should be prevented during the transportation of the vaccine to prevent excessive bumps. Excessive bumps can also cause oil and milk stratification. Therefore, in the process of transportation, the vaccine incubator should be placed in a stable and safe place.

Use. The vaccination work for each poultry house should be carried out after changing the overalls, disinfecting the work boots, and washing the hands. The vaccine should be shaken well before use to bring the vaccine to room temperature. Full dose immunizations should be performed under the guidance of a veterinarian in accordance with the vaccine instructions. When injecting, it is necessary to change the needle frequently, and ask for one chicken to change one needle, and at least one chicken house to change one needle.

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Features of laying hens in a cage

Nowadays, most of the users of laying hens are kept in the egg cage culture mode. The laying hens can safely and rationally manage the chickens through the egg cages, so that the production of the hens can be more high quality and high egg production rate. With many advantages and characteristics, the poultry equipment manufacturers will introduce the characteristics of the chicken cage to raise chicken.

 

1. Easy to manage: Now the scale of the laying hen farm is very large, and the number of laying hens is very large. It is easy to manage by cage. Farmers can raise tens of thousands of laying hens in cages in large chicken farms. Sanitary cleaning is extremely convenient, and daily management is easy to operate.

 

 

2. The health condition of the laying hens is good: the caged way is convenient for the farmers to treat the laying hens in time, and the difficulty of the treatment work is greatly reduced. Therefore, the cage can ensure the healthy condition of the laying hens.

 

3. Easy feeding and scientific feeding: caged laying hens reduce the workload of the farmer to raise the laying hens, which is convenient for collective and efficient feeding. In addition, the scientific feeding mechanism is easy to perform.

 

4. Easy egg collection and good egg preservation: One of the biggest advantages of caged laying hens is that the design of the cage is professional and targeted. When the laying hens lay eggs, the eggs will roll out of the chicken cage along the bottom of the slightly tilted chicken cage and enter the egg storage area of the chicken cage. Therefore, they can be collected in time and kept safely to avoid being broken by the laying hens.

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How to improve chick survival rate

The newborn chicks are relatively weak in immunity and have no resistance. How can the chicken farmers improve the survival rate of the chicks?

Chicken houses, chicken farm equipment and other places can be sterilized to prevent chicks from infecting E. coli and staphylococci. To prevent diseases in time, 0.2% oxytetracycline can be added to the feed to prevent white chicks.

Adjusting the density of chicks Generally, new chicks are brooded in large quantities indoors, but as the chickens grow up, the density of the chickens is adjusted in time to prevent the chickens from being injured in the extrusion and reduce the survival rate of the chicks.

In the daily management of chicks, pay attention to the fineness and balance the nutrition of the chicks. Do not put pesticides and feed together, do indoor ventilation and ventilation management, can greatly improve the survival rate of chicks.

The temperature and humidity of the chicks are very important. If the controls are properly controlled, the survival rate of the chicks can be greatly improved. Chicks have different temperature and humidity requirements at each stage of growth, and are carried out in stages according to standards.

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What types of broiler cages are there?

The broiler cage mode is mainly divided into two types: stepped and battery.


1. Stepped broiler cages

 

The stepped cage is the earliest cage mode, usually 3, 4 or 5 layers. It is equipped with automatic feeding system, mechanical cleaning system and automatic cleaning system. This semi-automatic operation greatly reduces manpower requirements. Due to this farming model, the utilization of the house area has not yet reached the limit, so it has gradually been replaced by battery cages.

 

2. Battery broiler cages

 

The broiler battery cages raises the amount of feeding per unit area and improves the land utilization and labor productivity of large-scale farming. Stacked cage equipment is typically 3 or 4 layers, and some modern farms can reach 6 floors. Fully automated battery broiler cages are fully automated, including feeding, defecation, ventilation, heat preservation, lighting, and automated broiler delivery.

 

 

In order to further improve the scale and land utilization, scale effect is adopted to improve the breeding efficiency. Broiler cage is of great scale and management advantages, and three-dimensional or stepped caging is quietly emerging, which is the development trend of broiler breeding in the future.

 

 

The H-type  broiler chicken cage to complete sets of equipment, it is possible that raise chickens becomes achieve industrialization and large-scale. Compared with the broiler free-ranging, the use of high-density farming, the same land can raise more chickens, easy to wash and disinfect the chicken coop every year more batches of chickens. Chicken and manure belt does not contact, chicken manure regularly cleaned, lower ammonia and hydrogen sulfide and other harmful gases can improve the feeding environment of the poultry house to reduce the incidence of poultry disease.

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