Guide to Contemporary Grouping
A contemporary group is a group of animals that have experienced a similar environment with respect to the expression of a trait, such as birth weight. Contemporaries typically are from the same location, are of the same sex, similar age, and have been managed alike (Bourdon, 2000). Why is it important to group animals for genetic evaluation? We know that heritability of traits can be increased by adjusting for known environmental effects, and by managing animals to minimize differences in performance caused by the environment.
Fertility in females is dependent on a balance of genetics, health and management.
Heather Smith Thomas
Cow-calf producers know fertility is the most important function of a cow herd, and is by far the most important factor in turning a profit. Whether a heifer reaches puberty early or a cow breeds back in timely fashion after calving depends on a combination of genetics, nutrition, health and management. Steve Hendrick, DVM, Coaldale Veterinary Clinic, Coaldale, Alberta, shares how various factors can influence fertility in females
Embrace the New Technology but Remember the Fundamentals
From a historical point of view, there have been considerable changes made to genetic evaluations overtime. More recently, many beef breed associations have augmented EPD with genomic information. This step alone has included many rapid evolutions both in terms of methods of incorporation and the source of genomic information. changes include new genotyping platforms, the usefulness of genomic information in predicting genetic merit, and our understanding of how best to utilize it.
Establishing Forage Brassicas for Raising Stockers and Improving Soil Condition
Tayler Denman, Lauren Smith, Dennis Hancock
The Georgia Cattleman Previous research has already shown that brassicas have a very high nutritive value and can be a great quality forage option for livestock. But what we need to figure out is just how well brassicas perform in a grazing system.
Mating Decisions based on Commercial Genomic Tests
A Steak in Genomics™
We have to use the information to see a return on investment in genomics. In this video we talk about one way to do that.
Breed frame size may influence twins
Twins in beef cattle have always intrigued me. Then a Speckle Park producer from New Zealand combined two of my favourite things into triplet heifers — splashy colour and multiple births. Statistically, the odds of bovine triplets are 105,000 to one, with the odds of having same-sex triplets around 700,000 to one. Our experience with small ruminants raised the question of “Would it be true that dam lines in cattle that are inclined to multiple births are more productive overall?”
Adding Retail Boosts Beef Operation
Deborah Jeanne Sergeant
Necessity is the mother of invention. In one case, it birthed a butcher shop in N.Y. “I’ve always had beef, since ‘forever,’” said butcher shop owner Keith Schrader recently. Keith and his wife, Sue, had long struggled to find a USDA-inspected facility to process their meat — a growing problem across upstate New York. The diminutive size of the nearest place, 35 miles away, made it difficult to process the quantity of animals the Schraders raised.