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y detected bacteria 其他通常檢出菌 ? P. multocida, H parasuis, S suis, Actinomyces, etc. 多殺性巴氏桿菌、嗜血桿菌、鏈球菌、放線桿菌等 ? plus monly detected viruses 其他通常檢出病毒 ? PRRS, PCV2, Influenza, PRCV, etc. 藍耳病、豬圓環(huán)病毒- Ⅱ 型、流感、偽狂犬病毒等 Lung from a pig with porcine respiratory disease plex due to PRRSV, M. hyo., and P. multocida 由藍耳病病毒、肺炎支原體和 多殺性巴氏桿菌導致的豬呼吸道病復合感染豬的肺部 Respiratory Disease Complex 呼吸系統(tǒng)病的復合感染 ? Essentially a delayed presentation of mycoplasma 必然推遲支原體的疾病表現(xiàn) ? Usually seen in late finishing stages 通常出現(xiàn)在育成豬階段的后期 ? This plicated form is more severe than unplicated enzootic pneumonia 有復合感染的情形遠較非復合性感染的地方性流行性肺炎 ? Treatment and control are difficult 治療和控制都很困難 ? Vaccinate sows 疫苗免疫母豬 ? Vaccinate pigs for M hyo 肺炎支原體疫苗免疫豬 ? Gilt acclimation, ensure that gilts have high immunity and low shedding 后備母豬的環(huán)境適應(yīng),確保后備母豬有高免疫力和低散毒率。Respiratory Disease – Mycoplasma hyopneumoniae 呼吸系統(tǒng)疾?。i肺炎支原體 Bob Morrison DVM, MBA, PhD Swine Group University of Minnesota 明尼蘇達大學 Mycoplasma hyopneumoniae 豬肺炎支原體 ? Transmission is primarily by direct contact with carrier swine. 傳播的主要途徑是與病原攜帶豬的直接接觸。 ? Primary clinical problem is in growing pigs, 3 to 6 months old 主要臨床問題出現(xiàn)在 3到 6月齡的生長豬群身上 Mycoplasma hyopneumoniae 豬肺炎支原體 ? Long incubation period – 10 to 16 weeks 長潛伏期- 1016周 ? Slow spread 緩慢傳播 ? Large numbers present in the early stages of disease 大量的病例出現(xiàn)于疾病的早期階段。 ? Colostral antibody decay from 30 to 63 days 母源抗體的衰竭從 30開始到 63天結(jié)束 ? Colostral antibodies may provide partial protection against experimental challenge and natural disease. 母源抗體可能提供了部分保護以對抗在實驗和自然疾病的