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.

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.

Sheep Improvement Limited
Sheep Improvement Ltd is a formed for the purpose of providing state of the art genetic information to New Zealand ram breeders.

Estrus Synchronization and Embryo Transfer
Explanation of E.T. in goats from the Extension Goat Handbook.

Equine Embryos Inc.
Canadian company that specializing production and marketing of horse embryos. Includes description of process and cost analysis.

Embryo Transfer Home Page
Livestock embryo transfer process described in detail and illustrated with photos. Hosted by Cameron University, Lawton, Oklahoma.

Sequent Biotechnologies Inc. Home Page
Sequent Biotechnologies Inc. is developing commercial sperm-sexing technology enabling the separation of male producing sperm from female producing sperm

Animal Genetics
Journal of the International Society for Animal Genetics. Research on immunogenetics, biochemical genetics and molecular genetics of economically important and domestic animals.

Clone in Sheep's Clothing
Scientific article about first cloned sheep from 1997. Describes techniques and touches on ethical questions.