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Farrowing induction is needed to improve the ability of farm staff to supervise farrowing, but you need to be strategic; do not induce unless evidence says it is needed.

Administer long-acting oxytocin to sows that have started farrowing to milk them more easily.

The shorter and lower dose regime saves money but there is an increased risk of follicular cyst development, which may occur at doses below 13mg/day.

This article explains how the massive use of hormones helps synchronize heats and farrowings when workload scheduling, synchronization and production rates stability are priorities.

A strict schedule allows us to concentrate all the important events, and time periods where more attention/work is required, within the working days.

Apple juice is the favourite kind of juice for the sows during the training sessions.

What if we were to wean on Friday and were able to block farrowings for 2 days? The bulk of farrowings would be concentrated on Monday.

When gilts were mated at a little more than 100 kg, productivity at 2nd parity had a huge decline and the sow was never able to reach their maximum potential.

In the last chapter on hormone management we looked at the advantages of “a la carte” altrenogest treatment as opposed to the 18 day treatment used to synchronize gilts.

The farm, with an elevated number of animals, had been experiencing for several days an increased number of births in gestation on the weekend before moving the sows to the farrowing pens. Mortality in these births was 100%.

In this chapter we will take a look at some other aspects of farrowing induction...

In the last chapter we examined mating guidelines that came rather close to being ideal, given that they achieve the following objectives: At least one mating should be adjusted to meet the ideal time and achieve the first objective with the least number of matings.

As mentioned in the previous chapter, theoretically, the ideal mating time is around 10-12 hours before ovulation.

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?