{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,28]],"date-time":"2025-10-28T14:36:01Z","timestamp":1761662161814},"reference-count":31,"publisher":"Akademiai Kiado Zrt.","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2003,7,1]]},"abstract":"<jats:p>A<jats:italic>Mycoplasma hyopneumoniae<\/jats:italic>vaccine (Respisure, Pfizer AH) was tested for its effects on antibody formation, daily weight gain (DWG) in different growing periods, lung lesions and quality of meat (chemical composition, physicochemical properties and fatty acid composition). Two groups of conventional piglets were used for the investigation. One group of 11 females and 11 males was vaccinated intramuscularly at the age of 1 and 3 weeks. The other group of 22 piglets was left nonvaccinated as control. The results showed that antibodies against<jats:italic>M. hyopneumoniae<\/jats:italic>in the vaccinated group had been formed 14 days after the second vaccination and remained present till the end of the study at 147 days of age. In the nonvaccinated group, seroconversion started at 49 days of age and by the end of the study 10 out of 22 pigs had become seropositive.Vaccinated pigs achieved significantly higher daily weight gain (+30 g) and finishing body weight (+6.04 kg) than the nonvaccinated animals. In addition, the vaccinated pigs showed lesions involving 3.27% of the lung surface in average, while in the nonvaccinated pigs 9.04% of the lung surface was affected. Investigation of meat quality showed that the longissimus dorsi muscle of vaccinated pigs contained significantly lower percentage of fat (-0.63%) and its tryptophan\/hydroxyproline ratio was significantly lower (-23.57) in comparison with the control animals. In addition, some other parameters also showed a favourable tendency, e.g. lean meat percentage was 0.91% higher, the protein content of the longissimus dorsi muscle was 0.35% higher, its water-binding capacity was also higher by 0.78%, its monounsaturated fatty acid concentration was 2.97% lower, while its polyunsaturated fatty acid content was 1.65% higher in the vaccinated pigs than in the nonvaccinated animals.<\/jats:p>","DOI":"10.1556\/avet.51.2003.3.3","type":"journal-article","created":{"date-parts":[[2004,7,14]],"date-time":"2004-07-14T13:53:41Z","timestamp":1089813221000},"page":"273-281","source":"Crossref","is-referenced-by-count":8,"title":["Evaluation of antibody formation, daily weight gain and meat quality after vaccination of piglets against Mycoplasma hyopneumoniae"],"prefix":"10.1556","volume":"51","author":[{"given":"Jurate","family":"Siugzdaite","sequence":"first","affiliation":[{"name":"1 Lithuanian Veterinary Academy Tilzes 18, LT-3022, Kaunas, Lithuania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kristina","family":"Garlaite","sequence":"additional","affiliation":[{"name":"2 'Linas & Viza' Veterinary Centre Lithuania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Danguole","family":"Urbsiene","sequence":"additional","affiliation":[{"name":"3 Lithuanian Institute of Animal Science Lithuania"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"425","reference":[{"key":"25","first-page":"438","article-title":"Field trials with a vaccine against porcine enzootic pneumonia (EP) (in German).","volume":"138","author":"E. 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