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Relationships Of Temperament, Endocrine, Reproductive, And Behavioral Parameters Measured During Performance Testing Of Bulls, Sierra Ashley Lockwood
Relationships Of Temperament, Endocrine, Reproductive, And Behavioral Parameters Measured During Performance Testing Of Bulls, Sierra Ashley Lockwood
Masters Theses
The aim of this study was to examine relationships between bull temperament, behavior, growth, endocrine, and reproductive parameters measured over an 84 d test period. Bulls (n = 65) were reared in 6 pens separated on BW and age. Pen scores were assigned on d -1, 27, 55 and 83. On d 0, 28, 56, and 84, exit velocity, BW, time it took each bull to leave the chute, bull order through chute, and hair and blood samples were recorded or collected. Frame score was calculated, carcass ultrasounds and breeding soundness exams were performed on d 84. ADG was calculated …