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Dairy Basics
Dairy Basics: Featured article
What happened to the 3K chip test? The 7K chip was designed as a replacement for the former 3K SNP test as it measures almost 7,000 SNPs, had better readability, and boosts reliability of by up to 5% over the 3K test. It also provides an increase in reliability over Parent Average, and more importantly is very accurate at 'parental discovery' meaning that if an animals is misidentified, or NOT identified, the test will be able to tell you the Sire and Maternal Grandsire of that animal &...
The 7K SNP test; an economical and more reliable genomic test is now available to the industry. Given this development, a question often asked by producers is 'should I genomic test my females with the 7K chip?' Of course this question inspires a rather extensive list of questions, so what awaits readers is a list of those most frequently asked:
What happened to the 3K chip test? The 7K chip was designed as a replacement for the former 3K SNP test as it measures almost 7,000 SNPs, had better readability, and boosts reliability of by up to 5% over the 3K test. It also provides an increase in reliability over Parent Average, and more importantly is very accurate at 'parental discovery' meaning that if an animals is misidentified, or NOT identified, the test will be able to tell you the Sire and Maternal Grandsire of that animal &...
Reproduction & Breeding
During the first 60 to 90 days of lactation dairy cows experience what is referred to as negative energy balance. Simply stated it is the period during early lactation when the cow's feed energy intake lags behind that necessary to support the energy expended to produce milk.
Feed & Nutrition
Numerous publications highlight the importance of the transition period in milk production and disease risk. During the last 3 weeks of the dry period and the first 3 weeks of lactation, dairy cows experience challenges with feed intake, an increased risk of metabolic disease such as ketosis and milk fever, and an increased risk of infectious disease such as metritis and mastitis
Herd Health
Subacute ruminal acidosis (SARA) is a common problem for many North American dairy herds, affecting 20 to 30 percent of cows in high-producing dairy herds.
February 22nd 2012
February 22nd 2012
February 21st 2012
February 21st 2012
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