First, choose carefully
Pigs of a large scale must choose “Three-way†cross-breeding piglets. It is best to use Changbai and Yorkshire pigs with long waist, wide chest, short mouth, full hips, strong limbs, and fast food. About 90 to 100 kg can be achieved, which can shorten the fattening period of 20 to 50 days.
Second, sub-culture
After 60 days of age, the piglets should be reared in groups, with 2 to 3 pigs per lap, so as to avoid chasing energy in outdoor pursuits.
Third, early castration
The 30-day-old boar and the 40-day-old gilt were castrated and weighed about 15% more than the customary 60-day-old cast. The wounds healed faster.
Four, healthy stomach
When the piglet is 60 days old, the first insect is driven, and then every 2 to 3 months, the insect is dewormed once. According to the pig per kilogram body weight, anti-creep sensitivity or insect repellent net is 15 to 20 mg, and once the spices are fed, the parasites are repelled. If there is swine fever, 10 g of salt, 10 ml of kerosene, and 20 ml of warm water can be mixed and applied to the surface of the pig to kill insects. At the same time as deworming, each pig uses 1 kg of quicklime to dissolve in 5 kg of water. Take the above liquid mixture to feed 2 times a day, and then feed 2 to 3 days of gastric lavage to remove various insect pests. One week later, one slice of rhubarb soda per kilogram of body weight (maximum no more than 15 tablets) was used for the study, and the stomach was fed in three batches. In this way, each pig can increase the weight of 10-15 kilograms, shortening the 25- to 40-day finishing period.
V. Sub-culture
Sows empty phase and the first 80 days of pregnancy can be fully based on green fodder, high-quality roughage and bad residue feeds, with only about 1 kg of fine material a day. One month before labor, feed 2 to 3 kilograms of concentrate each day. In this way, the normal development of the fetus is guaranteed, and the sow can save 60 to 90 kilograms of concentrate feed per pregnancy.
Six, early mating
Early weaning of piglets at the age of 60 days to 40 to 45 days, this can promote early estrous sows, early mating, shorten the empty period, and relatively save feed.
7. Epidemic prevention
In spring and autumn each year, the “three-joint seedlings†are injected into the pigs on time, which can effectively control the three major diseases of swine fever, swine erysipelas, and swine plague, reduce the mortality rate, and relatively reduce the consumption of materials.
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