cattle

An Unprecedented Collaboration

by Emme Troendle “In the first few decades of national cattle evaluation, universities performed evaluations for the beef industry. The universities largely underwrote the research and development, establishing the software and the methodology to advance genetic evaluation for the beef breeds,” said Wade Shafer, CEO of ASA, when asked about the origins of International Genetics…

WC Wide Track 694Y (2)

The Full Story Behind W/C Wide Track 694Y

This spring, a high-impact Simmental bull, W/C Wide Track 694Y, was erroneously named a carrier of Contractural Arachnodactyly (CA), also known as fawn calf syndrome. After further investigation, it became clear that Wide Track was in fact free of the defect. What happened to lead to such a monumental mistake? Here is the full story from American Simmental Association (ASA), Genex Cooperative, Inc. and the Werning family.

Dr. Robert Walton (left) and Andrew Manthe, DeForest, WI (right) at the Wisconsin Simmental Association Spring Spectacular Sale.

Investing in the Next Generation of Animal Breeders

Investing in the Next Generation of Animal Breeders Jackie Atkins, PhD, American Simmental Association and Sue Finley, The Midwest Herdsman As a teenager, Robert Walton’s goal was to breed cattle “homozygous for all the good genes”.  Walton pursued this mission as an exchange student with Dr. Ivan Johansson in Sweden followed by a doctorate in…

Figure 1.  Calf with Developmental Duplication (DD), note the extra limb originated by its neck.  From Flock and Herd, Case Notes on Polymelia (Supernumerary limbs) in Angus calves by L. Denholm, L. Martin, and A. Denman, December 2011.

Reporting Abnormalities

By Jackie Atkins, PhD During the calving season, it is not unusual to hear about unusual calves born with a variety of defects.  Many of these defects are spontaneous events that are triggered by a variety of cues and are not necessarily genetic in nature.  However, reporting these abnormalities to the ASA or other breed…

Black and Red Calves Science Article

The Cattleman’s Science Dictionary

The Cattleman’s Dictionary The Science Behind Genetic Selection By Dr. Jackie Atkins Recently, the ASA has gathered terms for an online glossary in order to help our members understand the science behind genetic selection a little better.  While this does not make for exciting reading, we hope these definitions will help our members have a…