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Wiener Tierarztliche Monatsschrift ; 107(7/8):156-163, 2020.
Article | WHO COVID | ID: covidwho-865217


Introduction: Infectious diseases in the suckling period of pigs are common and cause financial losses To improve the health of the piglets and decrease the use of antibiotic drugs, sufficient immunological protection is necessary In suckling piglets, the oral intake of antibodies is a highly effective measure for protection We tested whether antibodies in spray-dried blood plasma of pigs can be absorbed by newborn piglets after oral application Materials and Methods: The spray-dried plasma was positive for antibodies against the porcine reproductive and respiratory syndrome virus (PRRSV), the porcine circovirus 2 (PCV-2), the porcine epidemic diarrhoea virus, the porcine parvovirus and others The study was conducted on 210 suckling piglets in a pig breeding farm in Austria The newborn piglets were randomly divided into four groups: K, P, P+bov and P24 Group K received no treatment;group P received spray-dried plasma orally before the first intake of colostrum;group P+bov received spray-dried plasma dissolved in bovine colostrum;and group P24 received spray-dried plasma 24 hours after birth In addition to blood samples of the mother sows, blood samples were taken from the piglets on days zero, one, seven, ten and 14 after application of the spray-dried plasma The serum was tested by ELISA for the antibodies in the spray-dried plasma The antibody resorption and clinical outcome were compared between the groups