Duration of Mycoplasma hyopneumoniae infection in gnotobiotic pigs.

  title={Duration of Mycoplasma hyopneumoniae infection in gnotobiotic pigs.},
  author={N. R. Underdahl and George A. Kennedy and Antonio D{\'i}az Ramos},
  journal={The Canadian veterinary journal = La revue veterinaire canadienne},
  volume={21 9},
Sixteen gnotobiotic pigs raised in flexible plastic isolators (four pigs per isolator) were inoculated with a culture of Mycoplasma hyopneumoniae. One pig was killed and underwent necropsy at weekly intervals for the following 16 weeks. Macroscopic lesions were observed in the lungs of 13 of 16 pigs and microscopic lesions were found in 14 of 16 pigs. Mycoplasma hyopneumoniae was cultured from the trachea or lungs from 10 of the 16 pigs. Scanning electron microscope studies showed areas of… CONTINUE READING

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