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The Rural Voice, 2003-04, Page 24the early advice they got that the they'd have more sows return to heat if they were put into a group situation before embryos were firmly implanted but that hasn't proven to be the case at all. That's an example of the kind of advice that has kept people from trying new things, Wilson says. "We all suffer from one thing and that's bad information," he says. The prejudice against group housing in the industry, for instance, goes back to the problems encountered when five or six sows were kept in a pen and there 1 was greater competition. But with sows in a larger group, like 25 in a pen, and the feed spread over a wider portion of the floor in four spots in the sub -divided pen, there's no fighting over food because there's plenty of space and a dominant sow has to go too far to steal the next sow's feed. The groups stay together as they move off to the farrowing area, then are bred and brought back in to the group housing again. "The sows are happier, more content," he told the audience at Kirkton. Barrie Metals Ltd. Steel Depot Full Product Range Cut to size service Shearing / flame cutting Express delivery available Call us today for your competitive quotation 220 John Street Owen Sound Tel: (705) 728-1643 Barrie, Ontario Tel: (519) 371-0803 Fax: (705) 725-8212 L4N 2L3 Fax: (519) 371-5795 Watt: (888) 340-7272 • NEW • RANDOMS • SECONDS • USED Part of their contentment comes from twice -a -day feeding. He doesn't use any more feed than if the sows were in stalls — in fact he thinks it takes less. When OMAF veterinarian Tim Blackwell questioned him on that at Kirkton, saying "everything we've been taught says they should use more feed in loose pens and stalls", Wilson replied that "I can't explain it other than that the sows are happier." If there is a problem with a sow, Wilson finds it easier to pick them out. It's also easier to spot a sow that has gone back into heat. One of the advantages of the system is building up immunity, Wilson feels. As sows mix, they all share bugs any one of them might have picked up, self -vaccinating themselves and making them all less susceptible to disease spreading. Sows in stalls don't mingle and develop their immunity but if one of them gets sick, sooner or later it will spread despite the isolation, he says. He's a believer in making use of immunity. "If you could mix sows at the right stage of pregnancy a lot of Fred Groenestege CONSTRUCTION LIMITED R.R.#1 Sebringville Ontario NOK 1X0 Phone: 519- Fax:51 e-mail: Web CANAMN F &106L5 ASSOCIATION MEMBER providing quality, efficient, productive facilmes to our customers for over 24 years the leading supplier of tum -key facilities recognized by the CFBA with numerous awards for our faclliles service technicians on call to look after your needs 24 hours a day, 7 days a week the preferred and trusted choice 20 THE RURAL VOICE