The genetics of dairy cattle are evolving quickly, with increasing interest in traits that align with market demand and consumer perception. One trait drawing attention is the type of beta-casein protein found in milk—specifically, the A2 variant.
What Is A2...
Source: Lactanet Canada
Written by: Hannah Sweett, Ph. D. and Brian Van Doormaal
Since its introduction in 1991, the Lifetime Performance Index (LPI) has been a crucial tool for dairy farmers and breeders, guiding informed selection and mating decisions. Over the...
Source: Lactanet Canada
written by: Hannah Sweett, Ph.D.
Knowing where an animal ranks in relation to the rest of the population is fundamental for dairy cattle genetic improvement. Selecting top ranked animals will increase the genetic quality of your herd. Percentile...
A2 milk is gaining attention in the dairy sector, but what does it mean for your herd and bottom line?
What Is A2 Milk?
Milk contains beta-casein, a protein with two genetic forms: A1 and A2. Cows with the A2A2 gene...
Source: CDCB
Written by John Cole
Genetic base changes include both corrections for observed genetic trends in the population and adjustments to account for future inbreeding. When reviewing the calculations before the April 2025 run, members of CDCB’s Dairy Evaluation Review...
Source: Lactanet
S.B. Duggan, E.M. Leishman, G. Condello. H. Sweett, C. Bartels, F. Miglior, C.F. Baes et R.E. Jahnel
Key Points
Incidences of pregnancy loss and calf developmental complications are increasing in Canada’s dairy population, raising animal welfare, herd productivity, and...
Episode Description
In this episode, Brad dives into the topic of polled genetics — cattle that are naturally hornless — and why it's becoming more important in both the dairy and beef industries. He explains what polled genetics are, how...
Butterfat and protein levels are setting records as dairy cattle genomics is officially in its heyday. The steady upswing is paying dividends for dairy producers and positioning dairy processors for continued growth. Corey Geiger dives into the recent astounding...
Understanding Dairy Genetics Made Simple
Improving herd genetics is a key way to boost production, cow health, and overall profitability. Here’s a quick overview of how genetic tools, breeding choices, and selection strategies can help dairy farmers meet their goals.
Genetic...
Source: Council on Dairy Cattle Breeding
written by: John Cole
Genetic base changes include both corrections for observed genetic trends in the population and adjustments to account for future inbreeding. When reviewing the calculations before the April 2025 run, members of...
