Genetic Gains Ltd. - Ram semen marketing, artificial breeding, artificial insemination and embryo transfer services. Gene Check - Biotechnology company producing and reagents and kits for research and offering a service in veterinary genotyping tests for sheep. Fort Collins, Colorado, USA. Genstock Pty. Ltd. - Offers breeding services, including artificial insemination. Western Australia. Riverina Genetics - Providing artificial insemination, embryo transfer, ram semen collection, and ewe scanning services. Deniliquin, New South Wales, Australia. Pipestone Veterinary Services - On-line source of sheep supplies and services including monthly newsletter and free telephone advice. Nordic Star - Supplies products for animal identification, udder care and fly control to British farmers. International marketing of Raimo Discharge Valve for big bags.