The technique of raising miniature Xiang Pig

Miniature Xiang pig originated in Yunnan, Guizhou and other provinces of ethnic minority mountain areas. Adult body weight is not more than 32~68 kg, the smallest adult boar is only more than 20 kg, sow is only 30 kg, the lean meat rate of miniature pigs is about 60%, and there is no fishy smell, fragrant and delicious, and it has the reputation of "one cooked meat four neighbors".

I. Varieties

There are more than ten miniature pig breeds in China, which can be distinguished from hair color, such as pure black, pure white, four hooves white, black and white. There are four pure black varieties:

1. Short body, no hair around the eyes, abdomen, back waist slightly concave, 21.2 kg into boars, sows 30 kg, meat refers to dual-purpose type.

2. Short mouth, flat forehead, large abdomen mopping waist concave, adult boar 38, female 41 kg, is the ideal raw material for roast piglets.

3. Small head, straight back, adult boar 48 kg, sow 68 kg, high slaughter rate, good meat quality.

4. Narrow and long head, straight back or slightly raised waist, 28 kg for adult boar and 32 kg for sow, tender and sweet meat. White breed adult boar 20 kg, sow 28 kg, for lean type. Black on the white breed, adult pig weight of about 50 kg, meat taste United States.

II. Breeding of breeding boars

1. Dietary formula should be determined according to local conditions. The reference formula is corn 66. 5%, soybean cake 10%, peanut cake 10%, wheat bran 8%, fish meal 3%, bone meal 1. 3%, shellfish meal 0. 7%, salt 0. 5%,Plus multivitamins.

2. After 1.5 months of age, management boars must be kept in a single pen, and the male pig house should be farther away from the sow house.Exercise twice a day for 10~30 minutes each time. Xiang pigs are sexually mature at 4 months of age and can be mated at 6 months of age. Adult boars mate once a day and rest 1~2 days a week.

III. Breeding of sows

Sows are sexually mature at 4 months of age and can breed in June. The onset cycle is 20~21 days, the onset duration is 3~4 days, and the gestation period is 114.65±3.24 days.

sow feeding to ensure good physical condition, not too fat or too thin; pregnant period to ensure that eat well, sleep well, exercise 2 times a day properly, mid-pregnancy (20~28 days) can feed more coarse feed,Feed concentrates and minerals later. During the farrowing period, it is necessary to ensure that the delivery room is warm, dry and clean. The temperature is 22~33℃. The utensils should be disinfected. The feeding amount should be reduced a few days before delivery, and gradually increased after delivery. After 5~7 days, it reaches the full amount. During lactation, it is generally fed 3~4 times a day to ensure sufficient drinking water for sows.

IV. Raising of young pigs and commercial pigs

The piglet has higher temperature requirement, the suitable temperature of piglet is 30~32℃, 4~7 ℃ within 3 days after birth.27~30℃ for age, 22~27℃ for 8~30 days, 20~22℃ for 31~45 days. Commodity pig to maintain the original taste,In the feed to pay attention to two points, one is forbidden to feed with additives and other compound feed; second, adhere to the principle of green feed-based; green coarse feed can be mixed feed.