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Mycoplasmal pneumonia in pigs in Croatia: First evaluation of vaccine in fattening pigs (CROSBI ID 78224)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Bilić, Vitomir ; Lipej, Zoran ; Valpotić, Ivica ; Habrun, Boris ; Humski, Andrea ; Njari, Bela Mycoplasmal pneumonia in pigs in Croatia: First evaluation of vaccine in fattening pigs // Acta veterinaria Hungarica, 44 (1996), 3; 287-293

Podaci o odgovornosti

Bilić, Vitomir ; Lipej, Zoran ; Valpotić, Ivica ; Habrun, Boris ; Humski, Andrea ; Njari, Bela

engleski

Mycoplasmal pneumonia in pigs in Croatia: First evaluation of vaccine in fattening pigs

The immunoprophylaxis of mycoplasmal pneumonia of swine (MPS) caused by Mycoplasma hyopneumoniae was investigated for the first time in fattening pigs in Croatia. The incidence of MPS was monitored in pigs weighing on average 27.5 kg (12-weeks-old) after the immunization with M. hyopneumoniae vaccine. Of 350 pigs in each group, in nonvaccinated group 55 (or 15.7%) animals were diseased by pneumonia and 11 (or 3.1%) died of consequences of pneumonia, whereas in the vaccinated group 20 (or 5.7%) of pigs were diseased by pneumonia without any death due to the infection. In the nonvaccinated group 44% more pigs were individually treated with antibiotic, and these animals received in-feed therapy for more than 1/4 of the fattening period. Vaccinated pigs gained weight faster (at the rate of 82 g/day) than control animals. The mean score of changes on lungs due to M.hyopneumoniae in the control pigs was 10.51 whereas in the vaccinated animals it was only 0.54. The total tissue alterations on lungs due to M. hyopneumoniae, Pasteurella multocida and A. pleuropneumoniae expressed as the mean score were 13.21 in the control group and 2.98 in the vaccinated group. The evaluation of M. hyopneumoniae vaccine in the field appeared to provide an adequate immunity in fattening pigs but less effective then when applied to younger pigs at 1-3 weeks of age.

Mycoplasmal pneumonia (MPS) ; immunoprophylaxis (vaccination) ; fattening pigs.

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Podaci o izdanju

44 (3)

1996.

287-293

objavljeno

0236-6290

1588-2705

Povezanost rada

nije evidentirano

Indeksiranost