I have used the California test for years and usually worked quite well... Since the value of the goat is much more than the $5 for the Naylor test..why not buy it also so you have a back up. If both say you have mastitis then you can be confident you ha

Spend a few extra dollars on the CMT kit.

Does not always work.

I borrowed a couple of these mastitis indicators from a friend and it worked so well that I am placing an order for them for myself and for another friend who also raises goats. I was able to catch the mastitis issue extremely early and provide proper tre

This works great, changes color to help catch mastitis early and no more guessing.