April 3 2012
Last month I shared with you an alternative Presynch program, G-6-G (October 10, page 620). It was suggested as an alternative to the standard Presynch protocol described in that article. A new permutation...
April 3 2012
He is a business development manager with Cargill Animal Nutrition Consulting Services. I had two cows abort last week. What do you suppose is going on?" That question comes up several times a year
April 2 2012
Activity-based computer system makes heat detection faster, easier, and more effective than anything we've done before. Cows begin wearing the collars at about 30 days in milk. After they have been confirmed...
April 2 2012
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...
March 30 2012
Bulls don't do it better. With today's poor farm milk prices, everyone is looking for ways to cut costs to survive. Often, that search leads one to believe that abandoning A.I. breeding might save money...
March 30 2012
Questions from our readers . . . What are current dystocia and stillbirth rates among Holsteins? Have there been any comparisons between sexed and conventional semen? S.H., New York We looked at 10.8 million...
March 30 2012
Mahanna is with Pioneer, a DuPont Business, and is an adjunct professor at Iowa State University; Thomas is retired from the William H. Miner Agricultural Research Institute and president of Oak Point...
March 30 2012
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,...
March 27 2012
Last month, we looked at the value of getting more cows pregnant earlier in lactation and reducing overall days open. Reducing days in milk for all cows in the herd results in greater profits. Let's look...
March 27 2012
The technology to produce sexed semen has been around for decades. But, it was not until recently that commercial application became a reality. We know that the sex-sorting technology can reliably raise...
March 27 2012
Use of gender- or sex-sorted A.I. semen continues to grow rapidly among U.S. dairy producers, even though the technology is still in its relative infancy. The first limited commercial distributions of...
March 27 2012
In the 1980s, a breakthrough in semen sexing technology was made by USDA researchers in the Lawrence Livermore Laboratory in California. The patents for this technology were licensed to a company named...
March 25 2012
USDA's pilot insurance project can provide insights into producer's demand for different levels of margin protection and the price they are willing to pay. Livestock Gross Margin for Dairy Cattle (LGM-D)...
March 25 2012
Amy's bulk tank SCC (BTSCC) varied from 250,000 to 500,000 and occasionally would be over 600,000. With the allowed level being lowered to 400,000, she needs a management plan that prevents those worst...
March 14 2012
Here is some additional information to compliment the March 25, 2012 article on page 190 of Hoard's Dairyman. A video of the pumpkin catapult taken by barreAccess.org Visit Carter and Stevens Farm Store...
March 14 2012
Colostrum Calculator
March 10 2012
Historically, cows with poor dry matter intakes, negative energy balance, or poor health due to fresh cow problems caused by ketosis, milk fever, displaced abomasums, dystocia, retained placenta, or uterine...
Feb. 10 2012
Reestablishing estrous cycles after calving has been studied since the 1920s. Back then, Sir John Hammond of Cambridge made some of the first recorded observations in dairy cattle
Jan. 10 2012
Getting fresh cows off to a good start is important. Many reproductive disorders are complex and have their root in fresh cow conditions. A myth is a tradition or legend that attempts to express or explain...
Nov. 8 2011
Mahanna is with Pioneer, a DuPont Business, and is an adjunct professor at Iowa State University; Thomas is retired from the William H. Miner Agricultural Research Institute and president of Oak Point...