J.D. Ward

Effect of dietary copper, iron, and molybdenum on growth and copper status of beef cows and calves

G. P. Gengelbach, J.D. Ward, J. W. Spears · Journal of Animal Science · 1994 · 131 citations

Nutrition, Livestock Production, Agricultural Economics +19

Long-term effects of consumption of low-copper diets with or without supplemental molybdenum on copper status, performance, and carcass characteristics of cattle.

J.D. Ward, J. W. Spears · Journal of Animal Science · 1997 · 129 citations

Nutrition, Angus Bull Calves, Agricultural Economics +18

Effect of copper level and source (copper lysine vs copper sulfate) on copper status, performance, and immune response in growing steers fed diets with or without supplemental molybdenum and sulfur

J.D. Ward, J. W. Spears, E. B. Kegley · Journal of Animal Science · 1993 · 116 citations

Bioavailability of Copper Proteinate and Copper Carbonate Relative to Copper Sulfate in Cattle

J.D. Ward, J. W. Spears, E. B. Kegley · Journal of Dairy Science · 1996 · 88 citations · Full text

Effects of copper deficiency and copper deficiency coupled with high dietary iron or molybdenum on phagocytic cell function and response of calves to a respiratory disease challenge.

G. P. Gengelbach, J.D. Ward, J. W. Spears et al. · Journal of Animal Science · 1997 · 76 citations

Nutrition, Pathology, Education +18