【終於.......】評論
Some major clinical signs of M. gallisepticum in chickens include those of respiratory distress such as coughing, sneezing, slight to marked rales, and difficulty breathing.[7] Swollen eyelids, ocular discharge, and loss of sight are signs and symptoms that are very important for this disease as well.[5] Poor productivity, leg problems, nasal discharge, stunting, inappetence, slow growth, reduced hatchability, reduced chick viability, and abnormal feathers are also some relevant clinical signs of the disease.[8] M. gallisepticum infections in chickens result in relatively mild catarrha...