THE gradual increase in mature cow weights is not a phenomenon restricted only to Australia.
Internationally there has been a very clear trend of increasing mature cow weights in most beef breeds. In 2021 Dr Dan Burskirk from Michigan State University in the US published a paper questioning the current relevance of frame scores when considering the mature weights of most breeds.
Frame scores have been used extensively in Australia and Internationally to estimate growth curve and the eventual mature skeletal size of cattle. The NSW DPI first published a guide to using frame scores in…
