Mercedes Sebastián Lafuente

In recent years, pig production has experienced a notable increase in productivity, mainly due to changes in management and genetic selection.

Graph 1: Evolution
of numerical
productivity in
the last 25 years.
(BDporc data).
porciNews magazine
(November 2018).


Nowadays, the major swine breeds are more prolific, have smaller weaning-to- estrus interval (WEI), are heavier, with less adipose tissue and reduced appetite.

On the other hand, the objectives of the current pig production are more demanding:

Maximizing the number of piglets weaned/sow/year

Obtaining quality piglets and with the least variation in weight at weaning

Feeding consumption by sows under 40 kg/weaned piglet


What is the key for a good lactation?


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