Appropriate semen storage and handling is critical to the success of A.I. The liquid nitrogen semen storage tank actually consists of two tanks, with a smaller tank housed inside a larger tank
We know that inbreeding rates accelerated after the introduction of genomic selection in 2009. Part of this shift is simply because we are turning our generations over more rapidly, which raises inbre
The history of preserving bovine semen goes back more than 75 years. If you are past retirement age, you’ll remember semen being packaged in 1 cc glass ampules
In 1979, the first prostaglandin product, commercially known as Lutalyse, came to the marketplace. It allowed veterinarians and farmers new opportunities to manage the estrous cycle by i
A record 128 herds were nominated from 18 U.S. states and Canadian provinces for this year’s ninth annual Dairy Cattle Reproduction Council awards competition
One of the most important economic factors that determines a milking herd’s profitability is the average days in milk (DIM). That parameter obviously depends on getting the cow pregnant early in...
Poor heat detection rates, under 50 percent in U.S. dairy herds, are a major factor limiting reproductive efficiency. Even so, detection of behavioral estrus plays an important role in overall reproduction
At our most recent Dairy Cattle Reproduction Council meeting, the University of Guelph’s Stephen LeBlanc gave an excellent presentation highlighting the importance of monitoring ketosis in transitio
Pregnant with twins," I announced as I scanned cow 13478. Sam dutifully entered the information in his handheld device, but the slump of his shoulders was more dramatic than if I'd called 13478 open
Additional questions from roundtable article: "Excellent cow care leads to repro success" November 2014 Issue, page 735. Breeding - Who breeds? Dutchland Dairy: Crosby Krischel and Dave Duitscher breed...
But simple practices can help calves survive and thrive, even after a difficult birth. Do you know how many calves you lost as a result of dystocia last year?
Tight window: seasonal calving's lynch pin To take advantage of peak pasture growth, graziers must closely monitor reproductive performance. These same principles can benefit all dairy producers. Compact...
