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Autor:
Flavio Hirose, Andrea Micke Moreno, Renata Paixão, Luciane Tieko Shinya, Maria Regina Baccaro, Daniela Sabatini Doto, O. Umehara, Lineu C.B. Gonçalves
Publikováno v:
Veterinary journal (London, England : 1997). 172(3)
A field study was conducted in Brazil to evaluate the efficacy of single vaccination of pigs with two bacterins to prevent Mycoplasma hyopneumoniae lung lesions. The first (T1) treatment group (174 pigs) was injected with 2 mL of saline solution; gro