1. Once-daily milking throughout lactation in a commercial herd;Attrill;Massey University Dairy Farming Annu.,1993
2. Bryant, A. M. 1978. Once-a-day milking: Effects on production, live weight and grazing. AgLink, Farm Production and Practice No. 158, Media Services, MAF, Wellington, New Zealand.
3. Once a day milking: What are the effects on productivity?;Carruthers;Massey University Dairy Farmers Annu.,1990
4. Response of Jersey and Friesian cows to once a day milking and prediction of response based on udder characteristics and milk composition;Carruthers;J. Dairy Res.,1993
5. Studies on monozygous cattle twins. XVII. Once-a-day milking compared with twice-a-day milking;Claesson;Acta Agric. Scand.,1959