1, different appearance
Five-black chicken has the characteristics of black hair, black skin, black meat, black bones and black internal organs, and its egg shell is green, which is a rare rare rare bird in the world. The black-bone chicken is white except for its feathers, and its beak, eyes, feet, skin, muscles, bones and most internal organs are black.
2. The culture environment is different
Black-bone chickens commonly used in the market are kept in cages and fed with feed; However, most of the five black chickens adopt the stocking mode and are fed with a pure natural diet formula, with corn, vegetables, grass and insects in the forest as food.
3. The breeding cycle is different
It takes about 100- 120 days for black-bone chicken to be cultured from young to adult. Five black chickens, on the other hand, are relatively long, and it takes almost nine months to breed.
Immunization program of five black chickens
1, 1 day old were injected subcutaneously with Marek's vaccine;
2, 5-7 days old with bursal vaccine;
3, 7-9 days old with Newcastle disease L+ transmission branch H 120 bipartite vaccine nasal drops;
4. At the age of 14- 18 days, the wings were pricked or diluted subcutaneously;
5, 20-day-old with the second dose of bursal vaccine;
6, 28-day-old chicken Newcastle disease L+ transmission branch H 120 bivalent vaccine was used for nasal drop second immunization;
7, 35-39 days old inactivated avian influenza vaccine (H5N 1 subtype) secondary immunization;
8, 45-50 days old with Newcastle disease I series, avian cholera vaccine intramuscular injection;
9, 160 days old or so with avian influenza vaccine intramuscular injection of three free;
10, 20 days before breeding chickens are started, they are injected intramuscularly with the triple vaccine of Newcastle disease, transmission and egg drop syndrome;
1 1, breeder chickens about 320 days old were injected with avian influenza vaccine.