References
- Cochran , W. G. . Improvement by means of selection . Proc. Second Berkeley Sym. Math. Stat. and Prob. . pp. 449 – 470 .
- Johnson , L. P. and Van Vleck , L. D. . Effect of selection on the estimate of heritability from parent-offspring records . Paper presented at the 63rd annual meeting of the American Dairy Science Association June 17, 1968 . Columbus, Ohio : Ohio State University .
- Ronningen , K. 1972 . The effect of selection of progeny performance on the heritability estimated by paternal half-sib correlation . Acta Agr. Scand. , 22 : 90 – 92 .
- Syrstad , O. 1967 . Studies on dairy herd records. III. Estimates of genetic change . Acta Agr. Scand. , 6 : 3 – 14 .