Evaluation of five lactation curve models fitted for fat:protein ratio of milk and daily energy balance.
Buttchereit
N
N
Institute of Animal Breeding and Husbandry, Christian-Albrechts-University, D-24118 Kiel, Germany. nbuttchereit@tierzucht.uni-kiel.de
Stamer
E
E
Junge
W
W
Thaller
G
G