Recent content by RonE

I only know what I've seen on our feedlot of around 4000 heifers of various ages. We use bulls there and time-limited AI breeding. The breeder is limited by time in a particular pen, if he hasn't gotten the job done in about a month he moves on to the next pen of up-and-comers at the end of...

I had to convert every number from pounds to liters in my reply. I've seen peak milks up to 150 lbs. We cull at <45 lbs. a day and open. Some farms cull at <50 lbs.

Have you ever tried CIDRs as a reproductive strategy with those difficult cases?

35L is about right for a Jersey herd average milk, a herd consisting of Jerseys anywhere from 1 DIM to 800 DIM or more, and either pregnant or open. At any particular point in her lactation curve a cow could give 50L, but that number is bound to drop over time. In a typical lactation curve a...

That depends on the dry matter being fed. A "hot" ration pushes for more production over the short haul, but this burns a cow out early; a "cool" ration tries for a longer life-span per cow, the cow doesn't burn out early and is possibly more productive over the long haul.

This is a very confusing question, since the questioner asked about pregnancy rate and every response referred to conception rate. I researched the question anyway and came up with various answers such as "way below 25% per year" in the southern part of the US. However, a 25%-30% preg rate is...