webfoot
1. The artificial infection experiment showed that 80 percent of strains (8/10) were highly virulent and the disease was easily reproduced by subcutaneous, intramuscular or webfoot injection.
人工感染试验表明,80%(8/10)菌株毒力强,皮下、肌肉、足蹼3种途径均易复制该病;
2. webfoot state
蹼足州