Some factors affecting milk yield

[61] TANGL, 1910, LANDW VERS STAT, V74

[62] THOMSON, 1913, BRIT COLONIAL DAIRYI, P276

[63] TOCHER, 1919, T HIGH AGR SOC SCOTL, V31, P250

[64] TOWLES, 1918, NARYLAND EXP STA B, V217

[65] VIGOR, 1913, BD AGR FISHERIES S, V11

[66] WALKER, 1913, DURHAM C C OFFERTON, V4

[67] WILSON, 1921, BREEDING FEEDING FAR, P94

[68] WILSON, 1922, SCI P ROY DUBLIN DEC, V17

[69] WOLL, 1912, WISCONSIN EXP STA RE, P26

[70] WOLL, 1912, P SOC PROM AGR SCI

[61] TANGL, 1910, LANDW VERS STAT, V74

[62] THOMSON, 1913, BRIT COLONIAL DAIRYI, P276

[63] TOCHER, 1919, T HIGH AGR SOC SCOTL, V31, P250

[64] TOWLES, 1918, NARYLAND EXP STA B, V217

[65] VIGOR, 1913, BD AGR FISHERIES S, V11

[66] WALKER, 1913, DURHAM C C OFFERTON, V4

[67] WILSON, 1921, BREEDING FEEDING FAR, P94

[68] WILSON, 1922, SCI P ROY DUBLIN DEC, V17

[69] WOLL, 1912, WISCONSIN EXP STA RE, P26

[70] WOLL, 1912, P SOC PROM AGR SCI