Behavioral and Physiological Responses of Calves to Marshalling and Roping in a Simulated Rodeo Event
AbstractRodeos are public events at which stockpeople face tests of their ability to manage cattle and horses, some of which relate directly to rangeland cattle husbandry. One of these is calf roping, in which a calf released from a chute is pursued by a horse and rider, who lassoes, lifts and drops the calf to the ground and finally ties it around the legs. Measurements were made of behavior and stress responses of ten rodeo-naïve calves marshalled by a horse and rider, and ten rodeo-experienced calves that were roped. Naïve calves marshalled by a horse and rider traversed the arena slowly, whereas rodeo-experienced calves ran rapidly until roped. Each activity was repeated once after two hours. Blood samples taken before and after each activity demonstrated increased cortisol, epinephrine and nor-epinephrine in both groups. However, there was no evidence of a continued increase in stress hormones in either group by the start of the repeated activity, suggesting that the elevated stress hormones were not a response to a prolonged effect of the initial blood sampling. It is concluded that both the marshalling of calves naïve to the roping chute by stockpeople and the roping and dropping of experienced calves are stressful in a simulated rodeo calf roping event. View Full-Text
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Sinclair, M.; Keeley, T.; Lefebvre, A.-C.; Phillips, C.J.C. Behavioral and Physiological Responses of Calves to Marshalling and Roping in a Simulated Rodeo Event. Animals 2016, 6, 30.
Sinclair M, Keeley T, Lefebvre A-C, Phillips CJC. Behavioral and Physiological Responses of Calves to Marshalling and Roping in a Simulated Rodeo Event. Animals. 2016; 6(5):30.Chicago/Turabian Style
Sinclair, Michelle; Keeley, Tamara; Lefebvre, Anne-Cecile; Phillips, Clive J.C. 2016. "Behavioral and Physiological Responses of Calves to Marshalling and Roping in a Simulated Rodeo Event." Animals 6, no. 5: 30.
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