Spring is the season of estrus in animals such as cows, sheep, and pigs. Attention should be paid to observing the estrus performance of animals and ensuring the timely mating of abortions. Next, this article will introduce pig breeding technology for spring breeding in pig farms for reference.
1. Grasp the overwintering management of males and females and strengthen the rejuvenation to ensure that the spring is matched with the species on time.
Second, choose a good species of boar breeding. As the saying goes: "The mother has a good nest and the public has a good slope." The superior quality of the boar results in a direct impact on the number and quality of the litter.
The boars should adopt distant hybridization and selective hybridization, distant hybridization, avoiding inbreeding, selecting the best hybrid, and selecting the breeding species of boar breeds.
Wintering boars should strengthen exercise, drink enough water, feed more green feed, and improve sexual performance.
Third, prepare ready for breeding.
Fourth, the selected breeding sows, do a good job in breeding programs, where should be allocated sows, should be selected in advance. According to the body size, fat and different varieties, select different objects and make a breeding plan.
Fifth, do sow estrus identification. Estrus identification relates to the level of breeding rate, and for sows that are not in heat, promptly adopt aphrodisiac method to aphrodisiac. Such as strengthening exercise, boar sympathy, arch circle, feeding green feed, etc., sows can be weaned ahead of time, injection of some aphrodisiac drugs, in order to improve the conception rate, can take re-equipment, compounding method.
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