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The use of oestrous cows for the pre-collection preparation of mature bulls standing at an artificial breeding centre : a thesis presented to the Victoria University of Wellington in partial fulfilment of the requirements of the degree of Master of Agricultural Science, Massey College, New Zealand
(Massey University, 1962)
Since 1949, a marked expansion in the commercial operation of artificial breeding has taken place in New Zealand. This expansion represents an increase from 1,400 inseminated cows in 1949, to 556,000 inseminated cows in ...
Studies on the in vivo cleavage and the in vitro culture of New Zealand romney sheep ova : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science at Massey University
(Massey University, 1967)
The purpose of this present study was to observe the cleavage of fertilised Romney ewe ova in vivo and to compare this with cleavage of ova cultured in vitro. A method of long term in vitro culture of ova was developed and ...