(1) Sutai pigs with litter size
Fast growth rate, high lean percentage, crude feed tolerance, delicious meat and other excellent characteristics, can be used to produce three yuan pig female.
(2) Sutai pig body hair black, medium ear earlobe move the bottom of a clear head, wrinkles, mouth long and straight, stout limbs, waist straight, abdomen small, plump hindquarters, has obvious characteristics of lean type pig.
(3) Sutai pig sows September age weight 116.31 kg, 126.56 kg of body weight at the age of boars in October; fattening weight 25-90 kg, weight 623.12 grams, the feed utilization rate of 3.18, up to 90 kg weight 178.90 days.
(4) weighing 90 kg of Sutai pig slaughter rate was 72.88%, the average backfat thickness of 2.33 cm, eye muscle area of 29.03 square centimeters, the lean meat percentage was 55.98%.
(5) Sutai pig sows average more than 7 pairs of nipples, fit the age of 6~7 months, the boar is 7~8 months; the average litter size of 11.68 primiparous sows, weaned at 35 days of incubation 10.06 piglets, 60 day old piglet weight 184.31 kg, the average litter size of sows 14.45, 35 day old weaned bred 11.80 piglets, 60 day old piglet weight 216.25 kg.
(6) Sutai pigs and Landrace boar hybrid, the offspring at the age of 164.43 days up to 90 kg body weight, carcass lean meat rate can reach more than 60%, the average litter meat yield reached 487.08%.
(7) Sutai pigs can be raised in most areas of our country, the appropriate scale of pig farms, breeding specialized households, farmers.
China. Most areas can be raised
1, growth and development
Weaning to 50 kg, daily gain of 570 + 25.6 grams, 50~90 kg weight gain stage 710 + 28.8 grams.
2, reproductive performance
The average litter size of sows was 14.5 + 1.06, 13.78 + 0.98 number born alive, 35 days weaning weight was 7.85 + 0.56 kg.
3, finishing performance
Up to 90 kg age was 178 + 3.45 days fattening period, feed conversion rate of 3.11.
4, Carcass Quality
The carcass lean meat rate was 56.10% + 1.32, intramuscular fat as high as 3%, bright red color, delicious, tender and juicy, FeiShou moderate, suitable for Chinese cooking habits and tastes.
By using hybrid
Sutai pigs as female parent, and large white boars or Landrace hybrid production "Sutai pigs" is a good model. Sutai hybrid pig carcass lean meat rate from 59 to 60%, up to 90 kg of body weight at 160 days to 165 days, 25--90 kg weight gain stage 700 ~ 750 grams, feed conversion rate of 1:2.98.
Feeding and management features
1, Sutai pig breeding
The boar 7 ~ August age, weight 80 ~ 90 kg above can start breeding sows in age from 6 to July, more than 70 kg weight adaptation. Sow estrus cycle averages 20.3 days, 3.95 days duration of estrus. For the characteristics of oestrus of sow stood around, vulva swelling or slightly swollen, moist, and thin mucus outflow, some sows also reduced appetite, climbing across other pigs or jump behavior or tweet on the back when the signs of estrus, motionless, vulva swelling subsided when is the best time for mating with. Have natural mating and artificial insemination.
For 2, the Sutai pigs
Sutai pig does not have high requirements on the resistance of crude feed, good performance, can make full use of bran, dregs, vines and other agricultural and sideline products. Crude fiber feed can be as high as 20% in sow diet, is a kind of pig feed tolerance.