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1994
Farm management research in New Zealand and its contribution to animal production, WJ, Parker, DI Gray, JC Lockhart, and RJ Townsley , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 54, p.357-362, (1994)
1993
Drying off management and the use of management aids on seasonal supply dairy farms, WJ, Parker, DI Gray, JC Lockhart, GA Lynch, and EAG Todd , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 53, p.127-132, (1993)
1992
A conceptual framework for an expert system to improve drying off decisions on seasonal supply dairy farms - Brief Communication, DI, Gray, GA Lynch, JC Lockhart, WJ Parker, EG Todd, and IM Brookes , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 52, p.11-12, (1992)