Guernsey Marketing Service

Your Source for Guernsey Genetics

Guernsey Marketing Service is a subsidiary of the American Guernsey Association designed to unite Guernsey buyers and sellers. For decades, GMS has assisted in both private and public sales of live cattle, embryos, and semen. We provide expert guidance in buying and selling America's most valuable dairy cow.

Grow Your Herd

Sales

Make More Guernseys

Semen

Modern City

Connect With Breeders

Private Treaty

Making Notes

Find Results

Sales Archive

Making Notes