Native chicken breeding technology _ construction of native chicken house _ cost and profit of native chicken breeding

Nutritional value of native chicken

Most of the chicken we often eat are hybrid chickens raised with fodder, and native chickens are kept separately, so the drinking water of native chickens is water from nearby mountain springs, and the food they eat is all kinds of plants and insects around them, so the nutritional value of native chickens is relatively high, mainly as follows:

1. Compared with the broiler we raise, the meat of native chicken is stronger, the meat structure and nutrition proportion are more reasonable, and the native chicken is rich in protein, trace elements and various nutrients, and the content of fat is relatively low. it has important value for our human health. It is a meat product that we Chinese prefer, and it belongs to high-protein meat.

2. Native chicken is rich in amino acids, which play a very important role in human body. it is the most basic substance that constitutes our body protein and is related to life activities, and it is the basic unit of protein molecules in living organisms. it is the basic substance of our life and has a close relationship with human life activities. It is an indispensable nutrient in our human body. These nutrients in native chicken are of great significance to the growth and development of our human body.

3. The chicken skin of the native chicken is rich in glial protein, which can be quickly absorbed and used by the human body. it is a very good colloid. when we make the native chicken, we will find the difference in the meat quality between the native chicken and the chicken we bought in the market. native chicken can be used as a nourishing food. before, after pregnant women gave birth, stewing soup with native chicken can promote the recovery of the body. People in the rehabilitation diet after illness stewed chicken soup is also a very good choice, often eat native chicken can strengthen our body's physique, improve our body's immunity, there are many ways to make native chicken, can use stew, barbecue, air-drying and other production methods, is a real green pollution-free meat food.

Breeding characteristics of native chicken

1. There are native chicken breeds with local characteristics in all parts of China, so try to choose suitable local chicken breeds.

2, feed is very fastidious, grass chicken must eat grass, insects, miscellaneous grains and other "standard feed", eat compound feed is absolutely not. Breeders can not feed them with "spoon feeding".

3. Grass chickens must be allowed to take the initiative to find food on the grass of the spacious farm. Air has the greatest influence on the quality of chicken. Chickens growing up in a repressed environment not only taste bad, but also have a bad effect on the human body.

4. The reason why grass chicken has a strong "chicken flavor" is that it benefits from sports. Because the chicken in exercise, muscle can be fully grown and developed, intermuscular fat is rich, the proportion of aromatic substances in fat increases, the taste is naturally very fragrant.

Construction of native chicken breeding site

1, site selection: native chicken breeding should choose a suitable site, generally choose leeward to the sun, flat terrain, high dryness, convenient access to water, far from the village, convenient transportation is appropriate.

2. Site disinfection: to build a site, the nursery can spray and disinfect the site with 5% ∶ 10% limewater, 1 ∶ 1200 disinfectant, 2% caustic soda, etc., and breed the old site, and the ground should be cleaned and washed. On the basis of the above disinfection methods, potassium permanganate 14g/m3, aldehyde 28mL/m3, airtight fumigation and disinfection are used for 1-2 days, and drinking fountains, buckets and other utensils are put together after disinfection. Turn on ventilation for 1 to 2 days.

3. Feeding area: according to the breeding scale, the native chicken breeding can be calculated according to 15 / m2. The nursery can be located on one side of the fence house, and the area can be calculated as 35 / m2, and the insulation lamp shall be installed.

Common native chicken breeds

1. Liangping Hongyu native chicken: Liangping County is a semi-hilly county with high forest coverage of "two troughs and one dam". People have always loved to raise local red-feathered native chickens, and a strain has been formed for a long time, so it is called Liangping Hongyu native chicken.

2. Pengan native chicken: the coat color of Pengan native chicken is very bright, and its appearance is especially beautiful. it eats grains and worms, which are natural and pollution-free foods. there are very few antibiotics and hormones in native chicken meat, exercise is more, fat is almost less, and the corresponding meat essence can be reflected, drinking mountains and springs, listening to music, and letting them play freely in the forest, really green, delicious and nutritious food.

3. Futu chicken: Futu chicken, whose meat is fresh and tender, and is rich in amino acids, which plays a very important role in the human body and is the most basic substance related to the life activities of proteins in our human body.

4. Gushi native chicken: Gushi native chicken gets its name because it is mainly produced in Gushi. Its medium body is triangular feather yellow or jute, and its mouth and legs are blue. It is a chicken breed for both meat and eggs. It has the advantages of rough feeding resistance, strong resistance, delicate meat quality, fresh meat soup, unique flavor and so on.

5. Yifeng native chicken: Yifeng native chicken is located in Yifeng County, Jiangxi Province, at the southern foot of the middle part of the North Jiuling Mountains in the west of Jiangxi Province. the normal geomorphology of the county is roughly "seven mountains and half water divided into half fields, one part of the road and one part of the manor". Yifeng is a major agricultural county, villagers raise more local chicken breeds, villagers call it "native chicken".

6. Quanlin native chicken: the meat of Quanlin native chicken is tender and delicious, which is suitable for a variety of cooking methods, is rich in nutrition and has the function of nourishing and nourishing body. Chicken is not only suitable for hot stir-frying and stew, but also suitable for cold meat. The whole body of the chicken can be eaten, and the nutritional effect is rich, can be seen everywhere, so the folk call the chicken "good medicine to save the world".

7. Northern Jiangsu native chicken: Subei native chicken is well-known in Jiangsu, Zhejiang, Shandong, Anhui, Shaanxi and other regions. Subei native chicken is deeply loved by people for its small size, good meat quality and strong disease resistance. There is a custom in the coastal areas of Shandong that you need to worship the gods and bless peace before going to sea. The native chicken in northern Jiangsu is widely used. The new breed of rural moon grass chicken in northern Jiangsu is widely used in Guannan prosperous breeding base in Lianyungang, Jiangsu Province. Its grass chicken is also the native chicken, with large crown, slender legs, yellow skin and well-proportioned figure, which is loved by Shandong people. It has become a scenic line of native chickens in northern Jiangsu in other provinces and cities.

8. Shuzhong native chicken: Shuzhong native chicken refers to the local native chicken living in the Chengdu Plain of Sichuan Province. because the breeds cross with each other, the feather color of the chicken is "black, red, yellow, white, hemp", and the skin of its feet is also yellow, black, gray and white. Sanhuang chicken, apricot flower chicken and hemp chicken are all better breeds. Among them, the representative pure free-range native chicken can be seen at the Tiantian Sunshine Forest Farm in Qingcaoshan, Gufodong Village, Huanglongxi Town, where the chicken taste is delicious and the soup is full-bodied, reminiscent of the strong aroma of chicken in childhood. Loved by local people in Chengdu.

Epidemic prevention technology of native chicken

1. Fowlpox: chickens were inoculated with fowlpox vaccine at the age of 15-35 days and 90-140 days respectively. Scab formed at the seedlings after 4-5 days showed that it was effective, and the protection rate was generally 100%. For parasitic diseases of native chickens, the most effective way to prevent parasitic diseases is to improve the feeding environment, strengthen nutrition and disinfection of feeding tools.

2. Avian influenza: chickens at the age of 20 days and 120 days, laying eggs for half a year or about to enter the high incidence period of influenza, half a year after the last inoculation of egg-reducing oil vaccine, each chicken was inoculated with 0.5 ml of egg-like oil vaccine intramuscularly.

3. Vaccination

At the age of 7-14 days and 25-28 days, ① chickens were treated with Clone 30 vaccine. At the same time, 1 million units of penicillin and streptomycin were added to every 500. it can also be used with Haitian, Haida, Lanxing and Puxie.

② chickens were injected intramuscularly with Newcastle disease strain I and clone I vaccine at the age of 55-60 days.

③ chickens were injected intramuscularly with new subtractive triple vaccine and influenza oil vaccine at the age of 125d, each with 0.5ml.

④ chickens were repeatedly injected intramuscularly with clone I line at the age of 306 days.

⑤ was fed with attenuated vaccine (II or IV vaccine) at the age of 440 days.

4. Marek's disease

① chicks were injected with Marek's disease vaccine within 24 hours after hatching.

② incubators, eggs and hatchery are strictly disinfected. The site and equipment of the nursery shall be strictly disinfected.

Chicks imported by ③ from high incidence areas should be vaccinated with Marek's disease for the second time.

④ must be quarantined by breeders within 1 month of age to avoid visiting the house.

Once the onset of ⑤, should immediately eliminate sick chickens, threatened chickens with Jikang powder mixture, Anli 2000 disinfection, in order to strengthen prevention.

5. Infectious bursitis

The offspring of ① breeder chickens who had not been vaccinated with bursa vaccine before laying or vaccinated with oil vaccine for half a year were given attenuated vaccine drip at the age of 5 days. If breeder chickens are inoculated with attenuated vaccine and subcutaneously injected with 0.2 ml oil vaccine, then there is no need for epidemic prevention at the age of 15 days and 32 days of age.

If ② breeder chickens are inoculated half a year after inoculation, their offspring can use attenuated vaccine dripping mouth at 14 days old. If breeder chickens are vaccinated with attenuated vaccine and each chicken is injected subcutaneously with 0.2 ml oil vaccine, native chickens will no longer have to prevent epidemic disease at the age of 24.

In the outbreak area of bursitis of Fabricius ③, the chickens were given high immune egg yolk water at 1 day old, and the effect was better at 5 days old, 15 days old and 32 days old.

When ④ commercial chickens are 1 day old, 7 days old, 14 days old and 21 days old, they can drink water with high immunity egg yolk, and they can avoid epidemic prevention in the future.