Scaleable development of meat rabbit breeds

First, the New Zealand white rabbit is one of the most famous meat breeds in the modern rabbit breeding industry. The coat is white, with a thick and short head, a wide back and hip circle, fullness of the muscles of the waist and ribs, and short and thick ears. The distinctive feature is that the body is fat and tender, the early growth speed is fast, and the average body weight at 77 days is up to 2.1 kg. Medium-sized, adult rabbits weigh 4-5 kg. Strong reproductive ability, average fetal birth 7-8, high reproductive rate. The obvious disadvantage is the poor quality of the fur, which requires high feed conditions. Second, the Californian rabbit is one of the most ideal mid-sized rabbit species. Coat white, but the nose, ears, four claws and tail are brown or brown, commonly known as "eight black." Medium-sized, adult rabbits weighing 3.5-4.5 kg. The rabbit is characterized by its good reproductive performance, with a high and stable litter size, good uniformity in the same litter, and a high survival rate. It is known as a “nanny rabbit” and is particularly suitable for large-scale production. The growth rate is slightly lower than New Zealand white rabbits. The rabbit as a male parent and the New Zealand female parent hybrid, the heterosis is obvious, their offspring has the characteristics of fast growth, strong disease resistance, and good adaptability. Third, the Belgian rabbit is one of the most ideal varieties of large meat rabbits. The coat color is similar to that of a hare. The coat is dark brown with brown ears, large and upright ears, shiny black edges, and a lighter coat around the mouth. Adult rabbits weigh 5.5-6 kg and up to 9 kg. This species performs better than other large rabbit species, with fast growth, strong adaptability, and strong milking ability. The average number of births is 8 and weaning survives 6-7, and 90-day-old body weight is 2.5-2.8 kg. The disadvantages are low feed remuneration, long summer infertility, and proneness to foot dermatitis when caged in metal nets. Fourth, the Danish white rabbit is a skin and meat type, is one of the fine varieties introduced in recent years in China. The coat was pure white, with a slightly delicate head, thick ears and upright body, well-balanced figure, plump muscles, and thin limbs. Adult rabbits weigh 3.5-4.5 kg. The number of litters is high and stable, the survival rate is high, the growth rate is fast, the temperament is gentle, the disease resistance is strong, and the resistance to crude feeding is good. 5. Saibei rabbit was formerly known as Fabei rabbit. It is a large-scale flesh-and-bred variety developed by crossbreeding between the ram rabbit and Flanders rabbit. The coat is dominated by tan, but also white and beige. One ear upright, one ear down. The head is slightly thick and square. There is a black upper peak line on the bridge of the nose. The neck is short and thick, and the body is well-balanced before and after. The muscles are plump, well developed and larger in size. Under normal conditions, the average daily increase of 25-37.5 grams, adult rabbit weight 5-6.5 kg. Strong reproduction, nests are 7-8, and up to 15-16. Under the same feeding conditions, the disease resistance is strong, the incidence rate is lower than other breeds, and the survival rate of the pups is high, the adaptability is strong, the crude feeding is resistant, and the temperament is docile. Sixth, the Breton rabbit is a large white meat rabbit supporting system, which is composed of A, B, C, D four series, 1 adult rabbit weighs more than 5.8 kg, B adult rabbit weight more than 5 kg, C Adult rabbits weigh 3.8-4.2 kilograms, and D adult rabbits weigh 4.2-4.4 kilograms. Male and female fathers are synthesized by A and B. Adult rabbits weigh 5.5 kg and are sexually mature for 26-28 weeks. Parents' mothers are synthesized by C and D. Adult rabbits weigh 4 to 4.2 kg and sexual maturity is 115 to 199 days. The number of live births was 9.3-9.5. The rabbit has high requirements for the environment and feeding conditions. After the introduction, it must create good environmental conditions and strengthen feeding and management.

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