It was found that the transmissions of Sal.enteritidis infection in the duck flork could be induced by oral route through feeding materials and drinking water or by air borne route of infection.

• 方法研究经饲料、饮水口服和空气传播引起感染的情况。结果肠炎沙门氏菌在鸭群中可经饲料、饮水由消化道或经空气传播从呼吸道进入而引起发病。