Source: Lactanet
by: Hannah Sweett, Ph. D. and Allison Fleming, Ph. D.
The dairy industry has undergone a significant transformation in its genetic strategies, driven by the advancements in genomics, the widespread adoption of sexed semen, and the growing use of...
Source: Journal of Dairy Science
ABSTRACT
Genetic selection could be a tool to help improve the health and welfare of calves; however, to date, there is limited research on the genetics of calfhood diseases. This study aimed to understand the current...
Source: University of Wisconsin-Madison Division of Extension, Ryan Sterry
Introduction
UCLA’s John Wooden is known for his unparalleled run as men’s basketball coach, winning 10 national championships in a 12-year period. He is equally well known outside the sporting world for...
Source: Lactanet Canada, Brian Van Doormaal
Each year, based on official animal registration and pedigree information within its database, Lactanet Canada computes current inbreeding statistics within the Canadian cow population of each dairy breed.
In this way, the average level of...
Source: Zoetis news release
Zoetis and Danone recently announced a joint business development plan to drive sustainable practices on today's dairy farms through the power of genetics for healthier cows. Combining Danone's commitment to environmental stewardship with Zoetis' expertise in...
Source: University of Minnesota Extension, Joe Armstrong, DVM, and Brad Heins, Extension educators
Quick facts
There are several genetic evaluation tools that make interpreting dairy genetics easier.
Sire selection is the fastest way to make improvements in herd genetics.
Crossbreeding...
Source: University of Kentucky
By: Donna M. Amaral-Phillips, Extension Professor and Dairy Nutritionist
Selecting AI sires is a very important management decision which will impact future
production, health and economic return of the future generations of cows in a dairy herd. With...
Source: Journal of Dairy Science
ABSTRACT
Genomic selection increases accuracy and decreases generation interval, accelerating genetic changes in populations. Assumptions of genetic improvement must be addressed to quantify the magnitude and direction of change. Genetic trends of US dairy cattle breeds...
Source: CDCB
The August 2024 CDCB evaluations have incorporated several changes outlined in August 2024 Evaluations: What’s New.
How were the genetic evaluations impacted by these changes?
The most significant changes have affected all yield traits (Milk, Fat and Protein) and Heifer...
Source: Cornell University
By: Juan Du
Inbreeding: breeding of genetically closely related individuals (any sort of relative to relative breeding is considered inbreeding).
Varying Degrees of Inbreeding
For the purpose of dairy cattle reproduction, the highest level of inbreeding is either breeding...
