Welcome to A.I. breeding 101 - a virtual college class held here today! We have come a long way since the 1970s when fixed-time A.I. was first attempted in our industry. In those days, prostaglandin F2?...
The August 10 Artificial Breeding column on page 490 highlighted a new reproduction protocol sheet created by the Dairy Cattle Reproduction Council. It is available on their website, www.dcrcouncil.org,...
Probably among the best-known lines in English literature are from William Shakespeare's Hamlet's soliloquy: "To be, or not to be, that is the question." As dairy producers, you probably ask a similar...
Ultrasynch - a simpler program to breed cows. Improved preg rates has been just one positive result of using ultrasynch, reports Dave Stanton of Saylor Dairy (left) and Stevie Braun of COBA Select Sires...
What's the best timed A.I. program? There are so many synchronization programs that can be used on my dairy herd. My question for a future Artificial Breeding column is which synchronization program would...
by Jeff Stevenson The author is professor of animal sciences at Kansas State University, Manhattan. Timed A.I. breeding programs have become very useful to dairy producers for a number of reasons, especially...
One of the most valuable resources on any dairy is the replacement heifer. As a group, they represent the most fertile population of females on the farm. In addition, if your sire selection has been wise,...