Abstract
Summary
Within a line of birds, there was an inverse relation between size of the yolk and cholesterol concentration of the yolk. On a dry weight basis there was a difference between the regression coefficients for 2 strains with respect to yolk cholesterol. A differential rate of cholesterol transfer into the follicle existed between strains. While a negative relationship existed between ovum size and cholesterol concentration, a positive relationship existed between ovum size and solids content. The solids content of developing ovum increased rapidly until the ovum reached 3 g, after which the solids content increased slowly as the ovum size increased. There was no difference in the solids content of the mature boiled egg yolks between lines “B” and “C”.
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