本数据集为母马在有约束和无约束两种情况下进行人工辅助繁殖时的皮质醇与心率反应原始数据，支持对应激反应的研究分析，包含一个文件。 论文“Cortisol and heart rate response of mares during the in-hand breeding procedure with and without restraint”（DOI: 10.1111/evj.70083）
Photograph of cowboys breaking a saddled and cross-hobbled bronco, ca.1890. A cowboy in a striped shirt to the left holds the bronc's reigns and leans hard while the bronc rears up at center. A second
