r Artificial insemination in devon,if you would like us to do this for you please notify us on the 1st day that you see blood from your bitch.We highly recommend that on day 8 of your bitches cycle you have blood collected from your bitch at your vet and sent off to idexx who will ring you the following day to advise you which days to mate your bitch or may advise you that you need to retest.