A.I. & BREEDING

Genomics has sped up genetic progress, but has it impacted inbreeding? Did genomics allow for a larger pool of bulls available for selection? To answer these questions and to monitor inbreeding trends, Canadian Dairy Network (CDN) performed an analysis that included both pre-screened bulls and those that entered A.I. Pedigrees came from the International Bull Evaluation Service (Interbull), and bulls examined were born between 2002 and 2011.

As either a dairy producer or a nutritionist, your goal is to keep the ration composition constant to maintain the rumen environment for better dairy cow health and performance. The reality on most farms makes it difficult to achieve; forage quality varies from one harvest to the next, as well as ingredient sourcing and change in prices.

Progress is a good thing, and in regards to genetics it’s no different. Genetic progress has been the topic of conversation as much in the past five years as ever before because of how it relates to and results from genomics.

Are there technologies now, or potentially in the future, that will be more cost-efficient to drive pregnancy rate equivalent to or greater than current synchronization or fertility programs?

Electronic thaw baths have become very popular on dairy operations. Both AC and DC versions are available, depending on where you need to thaw your straws. Producers and technicians should keep the unit full of clean tap water.

Crossbreeding is commonly practiced in some livestock sectors such as beef and pork. Producers use hybrids to combine strengths in existing lines and breeds.