Science news articles about 'jim macdonald'

... says the type of grain used makes all the difference. Dr. Jim MacDonald, AgriLife Research beef nutritionist ... changes to the process,” he said. Data is being developed by MacDonald and other researchers concerning the effects of changes in the distiller ...

... have been posed on how they may affect beef quality, said Dr. Jim MacDonald, AgriLife Research ruminant nutritionist ... of steaks; but while consistent, the differences were minimal, MacDonald said. Sensory differences also were detected in steaks from steers ...

... relative to the corn it replaces, recent questions have been posed on how they may affect beef quality, said Dr. Jim MacDonald, AgriLife Research ruminant nutritionist ...

... in mills and more weight on cattle, according to Dr. Jim MacDonald. MacDonald, an AgriLife Research beef cattle ... less – and the reduction in the number of diets that they were having to mix, MacDonald said. "This is one more step that allows feed yards to improve ...