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2006
Prevalence of mastitis for cows of different genotypes milked for two consecutive seasons, SJ, Lacy-Hulbert, EL Summers, JH Williamson, PW Aspin, and ES Kolver , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 66, Napier, p.236-240, (2006)
2004
Influence of feeding level after drying off on incidence of mastitis and keratin plug formation in dairy cows, EL, Summers, SJ Lacy-Hulbert, JH Williamson, and BP Sugar , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 64, Hamilton, p.48-52, (2004)