May 10 2012
Multiple options to consider when breeding heifers. One of your greatest assets should be your heifer population. Raising quality heifers starts with proper sire selection, good dry cow and late-gestation...
May 8 2012
These pdfs compliment an article, "Will robots make or break the bank?", by Larry Tranel, in our May 25, 2012 issue of Hoard's Dairyman on page 363. The Economics of Automatic Milking Systems The Economics...
May 8 2012
The Economics of Automatic Milking Systems The Economics of Automatic Milking Systems Spreadsheet Analysis
May 1 2012
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?...
April 26 2012
The top reproductive physiologists from around the world met in New Orleans this past summer to share advances in managing reproduction in dairy cows
April 25 2012
We often think the relationship between milk production and fertility is a relatively recent concern. But, in fact, it has been debated for quite some time
April 25 2012
Flexibility and simplicity are major differences between USDA's LGM-D pilot project and NMPF's DPMPP protection proposal In 2010, the National Milk Producers Federation (NMPF) developed and promoted a...
April 24 2012
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,...
April 24 2012
Those who actively manage your farm's A.I. breeding program and read my column already know that reproduction is a key factor to farm profitability. You also realize that, in many cases, reproductive performance...
April 24 2012
If you have been A.I. breeding cows for some time, you understand that many factors influence the success of each insemination, not the least of which is cleanliness of the equipment used in the process....
April 23 2012
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...
April 23 2012
Achieving excellent reproductive performance is a critical goal for any dairy enterprise because reproductive efficiency drives overall profitability. Although numerous factors affect reproductive performance,...
April 23 2012
Dairy producers who achieve reasonably good pregnancy rates can always benefit from improved heat detection. Even for those who apply timed A.I. protocols to program ovulation before first or repeat inseminations...
April 20 2012
I have had the privilege to visit a number of dairy farms during my lifetime. Without a doubt, dairy farmers are friendly and interested in learning new concepts. During my travels, I have benefitted greatly...
April 20 2012
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...
April 20 2012
In 1989, a major breakthrough in sperm sexing was reported by USDA scientists in rabbits. Insemination of rabbit does with Y-chromosome-bearing sperm resulted in 81 percent males, whereas insemination...
April 18 2012
Many dairy farmers turned sour on sexed semen as 2009 unfolded. The reasons were obvious: Cash flows reduced discretionary spending, and sexed semen was viewed as discretionary, $30 more a straw compared...
April 18 2012
Reproductive failure is the number one reason for involuntary culling. The economic importance of getting cows pregnant in a timely manner is, thus, no surprise. Fertility decline is a combination of many...
April 16 2012
This disagreeable problem takes its toll on fresh cows. Identifying at-risk cows is your first challenge. The goal of your fresh cow program should be to get early peak milks while quickly returning cows...
April 16 2012
When was the last time you or your A.I. technicians had an A.I. refresher course? A.I. breeding is not like riding a bicycle - once you master the skill of cycling you have no need of a refresher course....