TOPIGS: 26.36 weaned piglets per sow per year
Dutch pig farmers with TOPIGS sows achieved an average production of 26.36
weaned piglets per year in 2007. Compared with 2006, this is an increase of 0.65
This picture emerged from the technical results of 942 farms with a total of
more than 368,000 sows. The top 25% of farms realised an average of 28.52
piglets per sow in 2007.
A result of 30 or more piglets per sow per year was achieved at 22 farms. In
2006 only 9 farms achieved a result of 30 piglets or more.
Breeding for vitality works
From the 2007 results, it is
evident that the approach of TOPIGS in the areas of piglet survival and piglet
vitality has proven efficient.
In 2007, 12.75 piglets were born per litter, whereas in 2006 that was 12.47.
An increase of 0.28 piglets per litter.
The preweaning mortality fell slightly from 12.2% to 12.1%.This goes against
the widespread opinion that mortality will rise with increasing litter size.
Therefore the increased litter size and the associated effect of a slightly
lower birth weight of the piglets do not affect piglet vitality.
Or in other words, a larger litter with on average a lower birth weight does
not result in a higher mortality.
The results were compiled using overviews from the sow management system sent in
by sow managers. Data from breeding companies with in-house breeding that are linked
to the Pigbase system of TOPIGS were also incorporated into the
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