“…A comparison of the average size of 60 inbred heifers, with coefficients of inbreeding ranging from 5 percent to over 15 percent, with that of outcrossed heifers, a t birth and a t 5 and 10 months of age, indicated no signifiant difference between the two groups. BARTLETT, REECE, and LEPARD (1942) reporting on a continuation of the above study compared inbred and outbred heifers for size a t birth and rate of growth through 22 months of age. They found no relation between the characteristics studied and the intensity of inbreeding.…”