Methods Serum and ectoparasite samples of the pigs were collected to investigate the infection status of 17 microbes and parasites by serology and parasitology techniques.

• 方法采集3个种群小型猪的血清和皮肤样本，用血清学和显微镜观察方法对其进行17项微生物和寄生虫学指标的检测。