{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,8]],"date-time":"2026-04-08T04:56:16Z","timestamp":1775624176110,"version":"3.50.1"},"reference-count":21,"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>The possibilities and economic benefits of controlling mycoplasmal pneumonia of pigs caused by<jats:italic>Mycoplasma hyopneumoniae<\/jats:italic>by immunisation with Respisure and by Tiamutin treatment were studied. The experiment was carried out in a herd comprising 1000 sows which was free of PRRS, Aujeszky's disease, swine dysentery and leptospirosis, and the prevalence of mycoplasmal pneumonia was low because the farm had recently been restocked. Groups C1 and C2 served as untreated controls, while Groups R1 and R2 received a prestarter diet containing 100 ppm Tiamutin from the time of weaning. Piglets of Group R1 were vaccinated with Respisure vaccine once on day 69, while those of Group R2 twice, on days 65 and 80. Piglets of Groups ST1 and ST2 were fed 100 ppm Tiamutin in the diet for 7 days at the time of weaning and then at 4 months of age, while pigs of Group ST2 received such treatment also in the 6th month of life. The efficacy of treatment was analysed on the basis of the number of animals that died, were emergency slaughtered or were retarded in growth in the different groups, the body weight of animals at weaning, at 94 and 148 days of age and at the time of slaughter, their daily body weight gain, the lung lesions found in animals slaughtered from the different groups, the costs of medication and vaccination, and the cost-benefit calculations of the results. The mortality and emergency slaughter rate was 2.88% and 4.62% in Groups ST2 and ST1, respectively, 4.23% and 4.62% in Groups R2 and R1, respectively, and 8.39% and 9.44% in the control groups (C2 and C1, respectively). The rate of growth retardation was 0.48% and 2.12% in Groups R1 and R2, respectively, 1.59% and 3.46% in Groups ST1 and ST2, respectively, as compared to 8.03% and 6.55% in the control groups (C1 and C2, respectively). The severity score of lung lesions was 1.82 and 1.46 in Groups R1 and R2, 2.18 and 2.93 in Groups ST1 and ST2, and 3.83 and 4.02 in the control groups C1 and C2, respectively. The mean finishing weight of pigs was 102.4-107.8 kg and 95.2-106.6 kg in the treated groups and 94.5-98.6 kg in the control groups. The classification of pigs according to the EUROP categories showed a shift to the E and U categories in the treated groups. The average feed cost per one kg of liveweight was 77.89-82.64 Forints in the treated groups and 85.66 Forints in the control groups.<\/jats:p>","DOI":"10.1556\/avet.51.2003.3.2","type":"journal-article","created":{"date-parts":[[2004,7,14]],"date-time":"2004-07-14T13:53:41Z","timestamp":1089813221000},"page":"259-271","source":"Crossref","is-referenced-by-count":8,"title":["Reduction of economic losses caused by mycoplasmal pneumonia of pigs by vaccination with Respisure and by Tiamutin treatment"],"prefix":"10.1556","volume":"51","author":[{"given":"L.","family":"Stipkovits","sequence":"first","affiliation":[{"name":"1 Veterinary Medical Research Institute, Hungarian Academy of Sciences Budapest, Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zs.","family":"Laky","sequence":"additional","affiliation":[{"name":"2 K\u00f6z\u00e9ptiszai Agricultural Co. Ltd. Kunhegyes, Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"T.","family":"Abonyi","sequence":"additional","affiliation":[{"name":"3 Pfizer Hungary Ltd., Animal Health Division Budapest, Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jurate","family":"Siugzdaite","sequence":"additional","affiliation":[{"name":"4 Lithuanian Veterinary Academy Tilzes 18, LT-3022, Kaunas, Lithuania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"I.","family":"Szab\u00f3","sequence":"additional","affiliation":[{"name":"5 Department of Genetics, University of Debrecen Debrecen, Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"425","reference":[{"key":"11","first-page":"653","article-title":"Isolation of <i>Mycoplasma hyopneumoniae (suipneumoniae)<\/i> from pigs affected with enzootic bronchopneumonia (in Hungarian, with English abstract).","volume":"30","author":"L. 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