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First, live pigs. The growth and development of pigs are characterized by slower weight gain in the early stage, faster weight gain in the middle period, and slower growth in the later period. The slaughter weight of the pig is too large, the daily weight gain is reduced, the material consumption is high, and the feed cost is high. The weight of the slaughter is too small, although the feed is saved, but the slaughter rate is low, the meat quality is not good, and it is not economical. In addition to slaughtered pigs of early-maturing varieties around the kilogram weight, hybridized improved pigs are most suitable for slaughter at 7-8 months and weights of 90-110 kg. During this period, weight gains are rapid, consumption of consumables is limited, and leanness is high. , good meat quality.
Second, beef cattle. Beef cattle grow rapidly before the age of 1 and gains weight quickly. After 1 year old, the growth rate gradually slows down, especially after 2 years old. At present, the age of fattening cattle in China is generally too large, mostly 3-5 year old shelf cattle, the herd turnover is slow, reducing economic benefits. According to calculations, if the cow's slaughter age is reduced to a year old, the proportion of breeding cows can reach 45%, and the slaughter rate can reach more than 25%. If the age of cattle is reduced to the age of the slaughter, the proportion of breeding cows can be increased to 60%, and the slaughter rate can reach more than 40%. It can be seen that shortening the breeding period of cattle can increase the slaughter rate and increase the proportion of cows and calves in the herd. Yak is old after birth and weighs about 300 kilograms. During this period, the year of meat gains a lot, the feed is high, the meat is tender, and after 3-4 months of strength fattening, the weight of 500 kilograms is immediately slaughtered. It is high-grade beef. The source of supply is extremely beneficial to cattle farmers.
Third, meat rabbits. The best slaughter period for meat rabbits is the economic maturity period, that is, before sexual maturation. In the growth process, meat rabbits are affected by species, climate and feeding and management factors. Sexual maturity and body maturation have certain rules. Under normal circumstances, large breed rabbits need to mature 5-6 months, medium breeds 4-5 months, and small breeds 3.5-4 months; large breeds require 8-10 months for maturation and 5-7 medium breeds. Month, small breed 4-5 months.
The best slaughter period for cattle, pigs and rabbits
According to the characteristics of the growth and development of meat and livestock, scientific farming and timely slaughter not only have good meat quality and high slaughter rate, but also save feed and shorten the production cycle, which can significantly improve the economic benefits of raising livestock and poultry.