Amazon.com : Jopwkuin Livestock Supply, Strong and Durable Convenient to Use Cattle Collar Double‑Row Hole Design and Delicate for Farms for Home Use(Small) : Patio, Lawn & Garden
LIC partners with Afimilk to market collars for cows in New Zealand
Cattle Halter
Kansas cattle will help determine if virtual fences work on prairie
Kiwi start-up pioneers collar for 'remote-controlled cows'
Cow behaviour insight leads to breeding gains - Datamars
Dairy Tech: This Smart AI Collar Alerts Owner When To Inseminate Cow - YouTube
Amazon.com: Cow Collar, with 10 Number Plate, Pedometer, Plastic Animal Collar, Antislip Teeth, Number Tag for Animal Husbandry, for Cattle, Sheep : Pet Supplies