Maize supplementation for grazing cows on the N content of milk, faeces and grass

Abstract

During the grazing season of 1993 one group of cows (n=34) grazed day and night while an other group (n=40) grazed only during the day ; these were housed at night receiving maize silage (5.3 kg per cow per day). Although N-input and N-output, in kg N per ha, was...