The progency test as a method of evaluating the dairy sire.

[1] Inheritance of quantity and quality of milk production in dairy cattle [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1919, 5 : 428 - 434

[2] COLE WE, 1931, SYSTEMS DAIRY FARMIN

[3] Davidson F. A., 1925, ILLINOIS AGR EXPER S, V270, P545

[4] ECKLES CH, 1912, MISSOURI AGR EXPER S, V135

[5] ECKLES CH, 1929, DAIRY CATTLE MILK PR

[6] ECKLES CH, 1912, MISSOURI AGR EXPER S, V100

[7] GAINES WL, 1923, ILL AGR EXPER STAT B, V245

[8] GAINES WL, 1922, P AM SOC ANIM PROD, P29

[9] GIFFORD W, 1930, GUERNSEY BREEDE 0901

[10] GIFFORD W, 1928, DAIRY SCI, V11

[1] Inheritance of quantity and quality of milk production in dairy cattle [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1919, 5 : 428 - 434

[2] COLE WE, 1931, SYSTEMS DAIRY FARMIN

[3] Davidson F. A., 1925, ILLINOIS AGR EXPER S, V270, P545

[4] ECKLES CH, 1912, MISSOURI AGR EXPER S, V135

[5] ECKLES CH, 1929, DAIRY CATTLE MILK PR

[6] ECKLES CH, 1912, MISSOURI AGR EXPER S, V100

[7] GAINES WL, 1923, ILL AGR EXPER STAT B, V245

[8] GAINES WL, 1922, P AM SOC ANIM PROD, P29

[9] GIFFORD W, 1930, GUERNSEY BREEDE 0901

[10] GIFFORD W, 1928, DAIRY SCI, V11