it as far as it will go. Now you are right at her uterus opening. You inject the semen into the Female, and pull the tube out, raising your female's rear end, and holding her there for at least two minutes, to make sure no semen runs back out. Some breeders hold their females elevated for as long as ten minutes, clone recommends five, My specialist says two minutes does the trick.
So this is the procedure for AI, and why I prefer it over natural tie any day. I hope this has helped explain it in greater detail.