National Association of Animal Breeders - Members are insemination services, semen sources, and research organizations. NAAB sponsors a research program and provides information about artificial insemination. International Embryo Transfer Society - A group which serves as a professional forum for the exchange of information among scientists, practitioners, livestock breeders, and others. Embryo Transfer in Cattle - Article by Ross Wilson explaining the concepts and practicalities of this procedure. The Association for the Advancement of Animal Breeding and Genetics - A professional organisation based in Australia and New Zealand for livestock scientists, breeders, educators, students and industry service providers. McIntosh Embryo Transfer - Ontario's largest embryo transfer business. Flushing, freezing, exporting of embryos. Quick thaw instructions. AgBiotechNet - This site contains news, reviews, abstracts, reports, jobs, conferences and links on agricultural biotechnology, including animals. SIL: Sheep Improvement Limited - Provides state of the art genetic information to New Zealand ram breeders.