Browsing by Subject "1984 Dissertation M664"
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(Texas A&M University. Libraries, 1984)A total of 302 one-celled ova were surgically collected from the oviducts of 65 superovulated crossbred heifers 30-72 h post onset of estrus. Two hundred and sixty-two one-celled ova which were collected from 50 heifers ...