As mentioned in the previous chapter, theoretically, the ideal mating time is around 10-12 hours before ovulation.
Page 4 of articles about hormoneTags
Adjustment of replacement on farms working on 3-week batch system.
Next we will consider some aspects that can be taken into account in order to adjust the day to induce farrowing.
On many farms the introduction of gilts is not homogenous. However, the introduction of a similar number of gilts to each productive batch would be ideal. How can we do this?
The gestation period in the majority of sows is usually around 113 to 115 days. However, a percentage of sows can farrow normally up to 3 days before or after.
In the last chapter we looked at the importance of achieving homogenous farrowing batches (age distribution + nº sows). In this chapter we will begin to see how to achieve this.