Thousands of pig farmers are paying attention to these problems to improve the reproductive performance of three-yuan sows.

1. Can sows be mated for the first time in estrus?

2. Is the dystocia rate of ternary sows high?

3. Which kind of boar is better to breed in ternary sows?

4. What if the estrus symptoms of sows are not obvious?

5. How about Duroc boar for three-yuan sows?

6. How many days does it take for the sow uterus to involution?

7. What is the effect of three-yuan sows using Landrace boars?

8. Is it an endocrine disorder that reserve sows are in estrus after breeding for a week?

9. How to raise three-yuan reserve sows in the breeding stage?

10. In the special period when there is no boar, how to make good use of boar seductor and silencer?

What is the second child syndrome?

How about frozen semen mating?

13. The sow has given birth to a baby. What should I do if I don't eat feed for a few days, drink a little water, and don't pull feces? Can sows be mated for the first time in estrus?

14. If you buy about 200 jin of sows to start feeding now, will you lose money?

15. If the three-yuan sow is not fed with backup sow feed, is it better to feed pregnancy feed or milk feed?

16. Can the ternary sows left behind by non-plague be used for breeding?

17. Why do binary sows discharge pus and still a lot about a week after mating? Why didn't this phenomenon happen before?

18. My backup pig has been in estrus for the second time, but what is the reason for not being matched?

19. What is the reason for the unmating of reserve sows with uterine inflammation?

20. How many times a year is it best to purify the blue ear of sows?

21, how to do ovarian cyst?

22. How does the estrus of some sows last for 5-6 days? how can this kind of pig be bred?

23. The sow has been matched, is about to give birth but has no belly, has never been in estrus, and there are no piglets when they are born, so where are the piglets?

24. When ternary sows are in estrus for 5 days, or even more than 5 days, which time is appropriate for mating?

25. Is it best to grow up a binary sow with Landrace or Landrace to be a sow?

If it is a ♂ × ♀ binary pig, it is recommended to match the Landrace boar; if it is a Landrace (♂) × Landrace pig (♀), it is recommended to match the Landrace boar.