MacDonald Ka

Management decision rules to optimise milksolids production on dairy farms

MacDonald Ka, Penno Jw · Proceedings of the New Zealand Society of Animal Production · 1998 · 106 citations

Management Decision Rules, Farm Management, Agricultural Economics +4

Impact of farm management decision rules on the production and profit of different strains of Holstein-Friesian dairy cows

MacDonald Ka, Thorrold Bs, Glassey Cb et al. · Proceedings of the New Zealand Society of Animal Production · 2005 · 15 citations

Nutrition, Management Decision Rules, Agricultural Economics +16

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

MacDonald Ka, Penno Jw, Kolver Es et al. · Proceedings of the New Zealand Society of Animal Production · 1998 · 11 citations

Animal Physiology, Nutrition, Dairy Cows +12

Adapting the MOLLY cow model to fit production data from New Zealand animals

Palliser Cc, Bright Kp, MacDonald Ka et al. · Proceedings of the New Zealand Society of Animal Production · 2001 · 11 citations

Animal Performance, Animal Agriculture, Animal Science +10

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

MacDonald Ka, Verkerk Ga, Penno Jw · Proceedings of the New Zealand Society of Animal Production · 1999 · 11 citations

Medical Ultrasound, Medical Assessment, Body Composition +10