53 下列關於犬輪狀病毒(canine rotavirus)的敘述,何者錯誤?(A)此病毒屬於里奧病毒科(reoviridae) (B)主要引起下痢症狀(C)目前以疫苗施打預防為主(D)傳染途徑以糞口
58 魚類棕血症(brown blood disease)又稱為下列何種疾病?(A) heart water disease (B) methemoglobinemia(C) bacterial ki
59 鮭類迴旋病(wirling disease)的病原為何?(A) Aeromonas salmonicida (B) Myxobolus cerebralis(C) Yersinia rucker
62 epizootic haematopoietic necrosis virus 屬於下列何種病毒?(A)picornaviridae (B) herpesviridae(C) iridoviri
63 豬的破傷風由何種病原引起的?(A) Clostridium botulinum (B) Clostridium colinus(C) Clostridium perfringens (D) Cl
64 下列有關犬布氏桿菌症的敘述何者錯誤?(A)病原為Brucella melitensis(B)病犬主要症狀為全身性淋巴結病、脾腫大及繁殖力下降(C)公犬會發生陰囊水腫、睪丸炎、副睪炎及萎縮,母犬發