I read the french article and see they say a boar is unnecessary, but I and no commercial farmers would ever AI without a boar infront of the sow. The sight, sound and smell of a boar is very important in making AI work at its very best.
I suppose the trouble for a smallholder is that if you are going to need a boar then you might as well use it to serve your sows, hence there would be no point in the extra cost of AI and doing it.
There used to be a product called "Boar Mate" that could be squirted at a gilt/sow to imitate the boar smell(I have heard in some countries that it is not permitted before an arguement erupts and am unsure of UK legislation on this product and have rarely used it, and when I did, as with feed-back, it was a long time ago. In the 1980's I think).
Can this product or any other still be used as a replacement for a boar?



What were your litter sizes like??? Did you only AI them once or twice(am and am or pm and pm, etc.,)?
AI should also not be squeeze in but should be sucked in by the sow if the process is being done correctly, so did you have to suck or squeeze the AI in???