Immune parameters in horses under different housing conditions - revised version

Horses were successively subjected to two different treatments - 1. fission of a stable group, 2. relocation to single housing - and the blood numbers of various leukocytes subsets invesigated. In addition, plasma cortisol concentrations, individual rank, and number of social interactions before and after fission of the group as well as occurrence of stereotypic behavior after relocation to individual stabling was assessed.受试马匹先后接受两种不同处理方式：1. 稳定社交群体的拆分；2. 转移至单栏饲养。本研究对多种白细胞亚群的血液计数进行了检测，同时评估了群体拆分前后的血浆皮质醇浓度、个体社会等级及社交互动次数，以及转移至单栏饲养后刻板行为的发生情况。