Unlike most dairy cows in America, which are descended from just two bulls, this cow at Pennsylvania State University has a different ancestor: She is the daughter of a bull that lived decades ago, ...
Animals showing purity indicators of 80 percent and above may be considered to be pure. This is the case with most dairy breeds. PHOTO/NMG The article on sourcing of pedigree in-calf heifers generated ...
HUDSON, Iowa — Blake Hansen loves beef, but admits he is quite particular about the quality of meat he chooses to consume. So, when he sampled a steak he could cut with a spoon, he was hooked. "It’s ...
The days of guess work in breeding dairy cattle are gone. Today's DNA sequencing means more productive cows and less pollution. Breeding cattle through artificial insemination began in the 1940’s.
Dairy farmers are rapidly adopting molecular profiling to accelerate the process of siring cows. But this seismic shift in breeding practices is raising new questions and translating more slowly to ...
Scientists provide an insightful review of how US dairy industry breeding selection objectives are established, as well as detail opportunities and obstacles related to new technologies for ...
China has achieved a major breakthrough in dairy cattle breeding technology with the successful development of two independently designed genetic chips to evaluate and filter the best dairy cattle ...
Dairy farmers find financial advantage in breeding lower-tier females to beef sires, resulting in calves worth more at market ...
The drive to make more milk has had an unsavory side effect: Cows have become more genetically similar and less fertile. Scientists are trying to... Most U.S. Dairy Cows Are Descended From Just 2 ...
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