Penno Jw

Balancing pasture and maize silage diets for dairy cows using urea, soybean meal or fishmeal

E. Kolver, Macdonald Ka, Penno Jw, 1998 .

Validation of body condition scoring by using ultrasound measurements of subcutaneous fat.

Verkerk Ga, Macdonald Ka, Penno Jw, 1999 .

Magnesium supplementation of lactating dairy cows in the summer and autumn

J. Jago, Verkerk Ga, K. Macdonald, 2001 .

Increasing milksolids production with supplementary feeds

Macdonald Ka, Penno Jw, L. Jas, 1999 .

Management decision rules to optimise milksolids production on dairy farms

MacDonald Ka, Penno Jw, Macdonald Ka, 1998 .