Bull health: Time to get clean-up stock bulls and vasectomised bulls in shape for the summer. Get them out to grass if you can. Ideally, hold off introducing vasectomised bulls into the herd until the first four or five weeks of the breeding season has passed. That way you will have them in good shape for when you want them.

I attended a session with vet and AI technician Jimmy Quinn last week, when he spoke at a farmer discussion group meeting. I’ve captured some of his thoughts in the Dairy Know How column on page 47, but below I discuss more of the detail.