Page 2 of articles about hormone in Articles

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.

Immunological castration also reduces sexual behavior and aggressiveness during the final weeks of fattening, in this way increasing the time dedicated to the ingestion of food

When external administration of the hormonal product is stopped, the levels of progesterone fall.

In this chapter we will look at how hormones can be used to influence the time of farrowing according to our needs.

When the sow is pregnant, the corpus luteum remains and continues to produce progesterone. While the levels of progesterone are high the sow does not become in heat and maintains gestation.

For hormones to be efficient it is essential to use them with the right approach. For this we must know the reproductive cycle of the sow and the hormones that are involved.