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

Abstract

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 the technique of ovum transplantation used to test ovum viability.