Dairy Basics - Reproduction & Breeding: 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 &...
Genomics - Reproduction & Breeding
In the last few years, genomics has become a common term in dairy breeding. Many articles have been written and even more discussions have taken place about this new technology. Genomics is an important addition to the methods that were already used in the evaluation of sires and cows.
Genetics - Reproduction & Breeding
Three times per year, the genetic value of bulls and cows is evaluated. You most likely notice the list of bull proofs in different magazines and marketing lists from several AI's. But in addition to bull evaluations, the genetic value of females in your herd is also evaluated each proof round. These genetic evaluations are a powerful tool for selecting the upper and lower end cows in your herd.
Getting Cows Pregnant - Reproduction & Breeding
Performance based financial incentives are used in many industries to motivate employees to a higher level of performance. For example, most sales professionals are compensated, at least partly, with commissions thus their sales success greatly influences their earnings-but could a similar incentive for breeders motivate them to a higher level of performance?
Getting Cows Pregnant - 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.
May 20th 2012
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