TexasJerseyMilker
Well-known member
It's not a complicated CMT paddle test where you swirl milk around with some chemicals. It's a card. You You just squirt some milk from each quarter on the colored dots and if positive it changes color.
https://www.amazon.com/dp/B007OUJWXA/?tag=cattletoday00-20
https://www.amazon.com/dp/B007OUJWXA/?tag=cattletoday00-20