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A study of factors affecting test day records of dairy cattle : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Animal Science at Massey University
(Massey University, 1972)
Dairyfarming in New Zealand is fundamentally concerned with obtaining an income from the sale of milk and milk fat produced by ones cows. A dairy farmer's income can be increased by either reducing the costs of production ...