Hi Aaron Morris and all. Thanks for your respons. There must be someone that has some expiriance with this "washed semen" techniques. I did not receive any articals or documents yet. If you have something for me, or be able to wright some lines about it, i would be very greatful. (scanned)documents or articals (too big for the list) pleas send them to my personal account. Thanks, Hennie Kroese. Holland http://home.hetnet.nl/~kroese/