Pig reproduction and summer are not good friends, Heat comes, daylight hours drop, fertility decreases and the vets come across more reproductive pathology than during the rest of the year. Why doing always the same does not always yield the same result?
It is not only related to NPDs, but it can also have a greater impact than we first thought.
The morphological differences in the cervical wall and canal between multiparous and nulliparous sows require deep AI devices adapted to the characteristics of the nulliparous.
One of the indices that is generating much interest is the one referred to the number of weaned piglets per sow lifetime (WSL). This index refers to the total number of piglets that a sow has weaned throughout its productive life.
A farrow-to-finish farm went from 10% to 50% of returns to oestrus, and almost 90% of them were regular.
The key lies in gilt management ...
Occasionally, breeders end up using semen with a suboptimal fertilizing ability due to inadequate storage conditions.