FARM VISIT ▶▶▶
boar will be used. Mr Kropp inseminates at set moments, Monday late afternoon, Tuesday early afternoon and Wednesday morning. All sows are inseminated using the standing reflex. On average, Mr Kropp inseminates each sow 2.5 times.
The area for loose gestating sows. The sows will go into the big group at 2.5 weeks post-insemination.
Boars To keep the boars active, Mr Kropp allows them to perform their natural duties as well. He estimates that about 85% of the sows are inseminated artificially, and about 15% by the boars themselves. His results are successful – on average only 5% of the sows are found not-in-pig; he weans about 31.5 piglets per sow per year. The current set-up of the mating room came into existence when the stalls in the room were ready for replacement. At that time, the sows were only in stalls when in heat. As the breeding gilts as well as the gestating sows are also kept in groups on straw, Mr Kropp decided to try his luck and and see if it would work in the insemination area. He says, “Prior to that, I had had no experience with inseminat- ing in groups. I thought: if it doesn’t work out, I can always order stalls after all. Until now, I have been satisfied with this system.”
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▶ PIG PROGRESS | Volume 34, No. 5, 2018
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