Gilt health care

Vitamin E is closely related to reproduction. Selenium not only participates in immune reactions but also promotes growth. 7 to 15 days before gilt breeding, each injection of 2.5 ml of sodium selenite can increase the fertility rate and farrowing rate of sows.

Prenatal sow health care

For pre- and post-natal 7 days each sow, add 80% of the original net of 125 grams of prochloroacetate, 200 grams of doxycycline, and 200 grams of amoxicillin per ton of feed to cut the pathogens such as Mycoplasma pneumoniae from the sows to the piglets. It can prevent postpartum lactation disorder syndrome in sows.

Sow 24 hours before delivery, 5 ml of sodium selenite vitamin E can increase the immune globulin in the sow's colostrum and the immunoglobulin in the piglet's plasma, thereby improving the disease resistance of the piglet.

Postpartum sow health care

After the sow is born, 10 ml of 30% florfenicol injection can prevent endometritis, vaginitis and postpartum lactation disorder syndrome in sows.

The intramuscular injection of cloprostenol 2 ml within 48 hours after the sow was born can effectively promote the elimination of lochia and promote sow lactation, and can significantly shorten the interval from weaning to estrus.

Sows health care

According to a German expert, from the third day of weaning on piglets, 200 mg of vitamin E and 400 mg of carotene are added to the sow until the sow is estrus. The amount of these two additives is reduced by half and then fed to the gestation. Day 21. With this method of health care, the number of sows born can be increased by about 22%. Moreover, sows and piglets have good body condition and high survival rate.

Health skills for gilts

Selection according to species characteristics and economic requirements: Screening from progeny of high-yielding sows, with at least 9 identical fetuses, birth weight 1.2-1.5kg, at least 6 pairs of well-proportioned nipples, good body shape, straight topline, and strong body The external genital organs are well developed. The first time around 180 days of age, they can be estrus for the first time and they are healthy and disease-free (no PRRS, AR, MPS, etc.).

The outsourcing pigs were isolated and kept for 2 months, and they could not be eaten within 5-7 days. After they were fully adapted, they were transferred to normal feeding, and they were well-prepared for HC, PRRS, PR, APP, MPS, PPV, and the plot was dry and warm in summer. cool. If the litter size exceeds 4 hours, oxytocin is usually used at 10-20 units/time intramuscularly. If 30 minutes have not yet been produced, artificial midwifery will be performed. Postpartum uterine douche and injection of prostaglandin F2a 10-20 mg is best for postpartum lochia expulsion, uterine reduction and estrus after weaning.

Management focus

Small flocks were reared with 3-5 heads per column, 0.66 m 2/head. At 30-60 kg body weight, gilt must be used. 180 days of age (90kg) before feeding freely, after 180 days of age, 2.5kg of material per day, fed 2-3 times, to provide adequate drinking water, keep 80% of wolfberry, can not be too fat. 2 weeks before the start of breeding, excellent feed aphrodisiac was applied, and 3.0-3.5 kg of material could be fed every day, and 2.5 kg of material/day after breeding. Massage the breasts and brush the body for a while before mating, so that the sows are docile. If after 3 episodes are not enough and chronic disease pigs should be eliminated.

breeding

More than 7.5 months of age, weighing up to 100kg, mating in the second or third period of love. Generally, the sow's back is pressed in the morning. When there is a standing reaction, they will be dispensed once in the afternoon of the day of estrus and the next morning. In the afternoon, when the sow has a standing reaction, it should be given once in the morning and in the afternoon the following day, and a good record should be made.

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