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The influence of importations on the New Zealand pedigree Jersey breed and the level of inbreeding, 1895-1950 : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science of the University of New Zealand
(Massey University, 1952)
Of the 1,845,000 dairy cows in milk in New Zealand in January 1950, 85% were either purebred or grade Jersey cattle (A & P Statistics 1950). With the exception of the Island of Jersey no other country has such a predominance ...