Maine Anjou breeders manage oldest genetic mutation
High Plains Journal
“PHA looks to be the oldest mutation we have dealt with. It continually pushes down through generations having continual sequential breed downs,” said University of Illinois researcher, Dr. Jon Beever.
In 2005, the Maine Anjou breed was affected by a genetic defect that eventually was traced back to a bull born in 1970.
Pulmonary Hypoplasia with Anasarca (PHA) is a lethal recessive disorder which affects Maine Anjou and Maine Anjou influenced cattle. The calves have little, poorly formed lungs, and they have lots of excess retained fluid