How to guide boar breeding

With the wide application of artificial insemination technology, the main purpose of training boars to climb over fake sows before breeding is to accept artificial insemination. Commonly used methods are as follows:

(1) The fake sow lures to crawl. First, some urine or vaginal secretions of oestrus sows are coated on the buttocks of the false sows, and then boars are contacted with the false sows. As long as it is willing to contact the fake sow, smell its smell, have sexual desire and be willing to climb over, it will be successful after 2 ~ 3 days of training.

(2) Seduce the sow, climb over the false sow, choose the sow with strong estrus and rush to the false sow. Sows and fake sows are covered with sacks, and the buttocks of fake sows are coated with the urine of estrus sows; Then the boar will come in contact with the sow, so that when the boar is sexually aroused, the sow will be quickly driven away, and then the boar will climb over the fake sow to ejaculate. If the boar does not climb over the fake sow or ejaculate, it should climb over the sow and collect sperm artificially with the fake vagina. In the future, training with the above methods will generally have an effect.

(3) Seduce the sow to climb over the gilt with strong estrus under the false sow, cover it with a sack and put it under the false sow, and the effect is also very good.

When training boars to climb over the false sow to collect sperm, we should pay attention to prevent the interference of other boars, so as to avoid accidents such as two boars biting each other. Don't let boars approach sows before training, and cultivate the habit of boars approaching people. The sperm collection room and the place where fake sows are installed should be fixed, and should not be changed frequently, so as to keep the environment quiet and make it easy for boars to establish conditioned reflex. Once the training is successful, you should train several times in a row in order to consolidate.

In addition, in some areas where artificial insemination is temporarily impossible due to conditions, only natural mating between male and female pigs can be adopted. In this case, boars should also be properly trained before breeding. First, let boars watch other boars mate; Then, a multiparous sow in estrus was used to accept the climb of the boar. When the boar climbed onto the sow's back and stretched out his penis, he pulled the sow's tail aside, introduced the boar's penis into the sow's vagina and ejaculated several times.