Currently, there are a lot of imported breeds such as AA broiler, Evian broiler, Ross 308 broiler, Lufeng 1 jay and so on.
(1) Avion broiler grandparent production performance: the average laying rate of the hens in the house is 60% for the mother and 52% for the father, with the cumulative number of eggs laid by the mother and 138 by the father, and the average qualified rate of egg laying is 91%; the average hatching rate of the mother is 82% and 77% for the father, and the production of chicks of the mother is 122, and the father is 94, and the production of marketable parental generation of chicks of the mother is 58, and the father is 45; 41 weeks of age can lay 187 eggs, the number of breeding eggs 177, the number of healthy chicks produced by the entry hen 154, the highest hatchability rate of the entry breeding eggs 91% or more.
The performance of commercial generation of Aveeno broilers: the weight of commercial generation of male and female broilers is 2615 grams at 49 days of age, the consumption of material is 4.63 kg, the feed conversion rate is 1.89, and the survival rate is more than 97%.
Avion broilers can be raised in most parts of the country and are suitable for intensive chicken farms, large-scale chicken farms, professional households and farmers. (2) Abbott Eggar Broiler Abbott Eggar, also known as AA broiler, is a four-family white-feathered broiler breed cultivated by the U.S. Abbott Eggar Breeding Company. AA broilers have the excellent characteristics of stable production performance, fast weight gain, high breast meat production rate, high survival rate, high feed remuneration, and strong resistance to adversity.
AA broiler parent generation production performance: the average survival rate of the whole flock is 90%; the number of eggs laid by the hen at 66 weeks of age is 193, the number of breeding eggs is 185, and the number of healthy chicks is 159; the fertilization rate of the breeding eggs is 94%, and the average hatching rate of the incubated breeding eggs is 80%; the weight of the eggs at 36 weeks of age is 63 grams.
AA broiler commercial production performance: commercial male and female mixed 35 days of age weight 1770 grams, survival rate of 97%, feed utilization rate of 1.56; 42 days of age weight 2360 grams, survival rate of 96.5%, feed utilization rate of 1.73, the breast muscle meat production rate of 16.1%; 49 days of age weight 2940 grams, survival rate of 95.8%, feed utilization rate of 1.90, the breast muscle meat production rate of 16.8%. meat production rate of 16.8%. (3) Ross 308 broiler is a broiler breed released by American Aviagen Breeding Company, with excellent breeding performance of its parent generation and excellent production performance of its commercial generation, especially adapted to the environmental characteristics of East Asia. Parent generation 23 weeks into the house hens produce healthy chicks 145, commercial generation of male and female mixed 35 days of age average weight up to 1882 grams, feed conversion rate of 1.59, 42 days of age average weight of 2474 grams, feed conversion rate of 1.721, 49 days of age, average weight of 3052 grams, feed conversion rate of 1.850. (4) Shouguang chicken is a larger local good meat and eggs dual-use chickens, is divided into large, in two strains. It is divided into two strains: large and medium, and is native to Shouguang City in Shandong Province.
Shouguang chickens have a tall body, thick bones, long chest, wide and straight back, high and thick legs, and large and sturdy claws. They are characterized by strong adaptability and resistance to adversity, stable genetic performance, uniformity in appearance and excellent egg and meat quality.
Shouguang chickens have black feathers all over the body, single crown, black beak, tibia and claw, and white skin. The weight of adult rooster is 3.61 kg for large and 2.88 kg for medium; the weight of adult hen is 3.31 kg for large and 2.34 kg for medium. 90 days old rooster weighs 1310 kg and hen 1056 kg. The annual egg production of large-sized hens is 90-100 eggs with egg weight of 65-75 grams, and the annual egg production of medium-sized hens is 120-150 eggs, up to 213 eggs with egg weight of 60-65 grams, and the color of the eggshell is reddish-brown. (5) The Beijing oil chicken is a local breed unique to the Beijing area, with a history of more than 300 years. Beijing oil chicken is an excellent meat and egg local chicken breed.
The Beijing oil chicken has a medium body and beautiful plumage color, mainly russet and yellow plumage. The russet ones are small and the yellow ones are big. The downy feathers of the chicks are yellowish or earthy yellow. Crown feathers, tibial feathers, beard feathers are also very obvious, very attractive. Adult chickens have thick and fluffy feathers. Rooster feathers are bright and shiny in color, with a high head and mostly black tail feathers. The head and tail of the female chicken are slightly cocked, and her shins are slightly shorter, with a solid body shape. The feathers of the Beijing oil chicken are more special than other chicken breeds, with crown and tibial feathers, and some individuals have toe feathers. Many individuals have whiskers on their jaws or cheeks, so they are called "three-feathered" (phoenix head, hairy legs and bearded mouth).
The growth rate of the Peking chicken is slow. The skin of the carcass is yellowish, compact and plump, with well-distributed intermuscular fat, delicate meat and delicious meat flavor. Its newborn weight is 38.4 grams, 220 grams at the age of 4 weeks, 549.1 grams at the age of 8 weeks, 959.7 grams at the age of 12 weeks, 1228.7 grams at the age of 16 weeks, and 1,500 grams for males and 1,200 grams for females at the age of 20 weeks.
Beijing oil chicken laying age of 170 days, breeding egg fertilization rate of 95%, fertilized egg hatching rate of 90%, chick survival rate of 97%, chick mortality rate of 2%, the annual egg production of 120 eggs, egg weight of 54 grams, the eggshell color of light brown, some individuals have a holding nest sex.
Beijing oil chicken has a unique appearance, strong vitality, stable genetic performance, chicken meat quality and egg quality is excellent, is a very valuable local chicken species, has a good prospect for development and application. (6) Pudong chicken commonly known as nine pounds of yellow, native to the vast area east of the Huangpu River in Shanghai, so the name Pudong chicken. Is China's larger yellow-feathered chicken species, the meat is particularly tender, delicious, strong flavor, feasts are often used as a white chicken or stewed whole. Pudong chicken body size is large, triangular, favoring meat production. The rooster has three kinds of feather color: yellow breast and yellow back, red breast and red back, and black breast and red back. Hens are yellow all over the body, with shades of yellow, and often have black spots on the ends or edges of the feathers, thus forming a dark hemp color or light hemp color. Cock single crown upright, crown teeth more than seven; hen some crown teeth unclear. Ear lobes red, toes yellow. There are tibial and toe feathers. The growth rate is not fast in the early stage, and the long feathers are also slow, especially in roosters, which usually need 3 to 4 months of age for the whole body feathers to grow all the way up. Adult weight is 4.0 kilograms for roosters and about 3.0 kilograms for hens. Pudong chicken is China's larger yellow-feathered chicken breeds, meat quality is also better, but the growth rate is slower, egg production is not high, the need to strengthen the selection and breeding work. Cockerel castrated and reared for 10 months, weight up to 5 ~ 7 kg. Annual egg production is 100-130 eggs, egg weight 58 grams. Eggshells are brown, detailed and well-structured. (7) Shiqi Chicken retains the advantages of the local Sanhuang chicken breed, such as fine bones, tender meat and delicious flavor, and overcomes the shortcomings of the local chickens, such as slow growth and low feed remuneration. General broiler rearing 3 ~ 4 months, the average weight of up to 2 kg or so, the meat ratio of 3.2 ~ 3.5:1. (8) Qingyuan hemp chickens of this variety of hens like a wedge-shaped, thin head, thin feet, feather hemp. Single crown upright, feet yellow, feather color has hemp yellow, hemp brown, hemp brown. Adult male and female body weight of 2.2 kg and 1.8 kg, 90 days old male and female average weight of 900 grams. (9) Gushi Chicken is a medium-sized breed with a clean and flexible appearance, meticulous and compact body shape, well-proportioned structure, and abundant feathers. Feather color is divided into light yellow, yellow, a few black feathers and white feathers. There are two types of crowns: single crown and double crown. 90 days old cock weighs 500 grams, hen weighs 350 grams, and 180 days old cock and hen weigh 1.3 kg and 1 kg respectively. (10) Lujian 1 hemp chicken Lujian 1 hemp chicken is Shandong Provincial Academy of Agricultural Sciences Poultry Research Institute to cultivate new varieties of high-quality broiler. Good physical appearance features, is the excellent local varieties of Shandong Province Luanya chicken as breeding material cultivated to maintain the local excellent local varieties of physical appearance features, cock neck feathers, cover the tail feathers in golden yellow or red, back feathers, saddle feathers in reddish brown, glossy, the main wing feathers, tail feathers, between the black plume flashing green luster. The hens are divided into black and jute feathers, with light yellow neck feathers, light yellow or light gray belly feathers and black tail feathers. High production performance, 10-week-old rooster weight 2.05 kg, meat ratio of 2.3:1, hen weight 1.68 kg, meat ratio of 2.5:1, survival rate of 99.7%. (11) Lu poultry 3 jatropha chickens Shandong Academy of Agricultural Sciences poultry cultivated by the new varieties of high-quality broiler. The cultivation of Lufeng No.3 jatropha chicken supporting line is a high-grade and high-quality type cultivated on the basis of specialized strain cultivation. The matching line maintains the breeding material Luangya chicken feather color, shin color, crown type and other good physical appearance characteristics and muscle quality, compact body, legs thin high, beak, shin (toes) is green, skin white. Single crown, large bright red, upright crown, bright red face, early sexual maturity. Cock's neck feathers are golden yellow, shawl feathers and saddle feathers are reddish brown and glossy, and there are black plumes flashing green luster between the main wing feathers and tail feathers. Hen feather color is divided into two kinds of black hemp and jute, neck feathers have light yellow rim, tail feathers for the black. 13 weeks of age, the average weight of male and female chickens 1856.5 grams, feed conversion rate of 3.36, survival rate of 99.7%. The breed is adaptable, disease-resistant, and suitable for free-range, mountain (orchard, fast-growing forest land, etc.) stocking and other feeding management.