A comparison of progeny tests with sires tested on different cow herds and under different environmental conditions

Woodward, Ray R.2015-05-122015-05-121947https://scholarworks.montana.edu/handle/1/6406enCattleBullsAnimal breedingLivestock--Performance recordsA comparison of progeny tests with sires tested on different cow herds and under different environmental conditionsThesisCopyright 1947 by Ray R. Woodward