About: Etiology of acute respiratory disease in fattening pigs in Finland

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An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Etiology of acute respiratory disease in fattening pigs in Finland
Creator	Segales, Joaquim Sibila, Marina Pelkonen, Sinikka Laine, Taina Nokireki, Tiina Heinonen, Mari Hälli, Outi Raunio-Saarnisto, Mirja Haimi-Hakala, Minna Laurila, Tapio Nykäsenoja, Suvi Oliviero, Claudio Pelkola, Kirsti Peltoniemi, Olli
topic	covid:76d446112561ab0100feb5323f071191e0aa02c6#this
Source	Medline; PMC
abstract	BACKGROUND: The objective of our study was to clinically and etiologically investigate acute outbreaks of respiratory disease in Finland. Our study also aimed to evaluate the clinical use of various methods in diagnosing respiratory infections under field conditions and to describe the antimicrobial resistance profile of the main bacterial pathogen(s) found during the study. METHODS: A total of 20 case herds having finishing pigs showing acute respiratory symptoms and eight control herds showing no clinical signs suggesting of respiratory problems were enrolled in the study. Researchers visited each herd twice, examining and bleeding 20 pigs per herd. In addition, nasal swab samples were taken from 20 pigs and three pigs per case herd were necropsied during the first visit. Serology was used to detect Actinobacillus pleuropneumoniae (APP), swine influenza virus (SIV), porcine reproductive and respiratory syndrome virus (PRRSV), porcine respiratory coronavirus (PRCV) and Mycoplasma hyopneumoniae antibodies. Polymerase chain reaction (PCR) was used to investigate the presence of porcine circovirus type 2 (PCV2) in serum and SIV in the nasal and lung samples. Pathology and bacteriology, including antimicrobial resistance determination, were performed on lung samples obtained from the field necropsies. RESULTS: According to the pathology and bacteriology of the lung samples, APP and Ascaris suum were the main causes of respiratory outbreaks in 14 and three herds respectively, while the clinical signs in three other herds had a miscellaneous etiology. SIV, APP and PCV2 caused concurrent infections in certain herds but they were detected serologically or with PCR also in control herds, suggesting possible subclinical infections. APP was isolated from 16 (80%) case herds. Marked resistance was observed against tetracycline for APP, some resistance was detected against trimethoprim/sulfamethoxazole, ampicillin and penicillin, and no resistance against florfenicol, enrofloxacin, tulathromycin or tiamulin was found. Serology, even from paired serum samples, gave inconclusive results for acute APP infection diagnosis. CONCLUSIONS: APP was the most common cause for acute respiratory outbreaks in our study. SIV, A. suum, PCV2 and certain opportunistic bacteria were also detected during the outbreaks; however, viral pathogens appeared less important than bacteria. Necropsies supplemented with microbiology were the most efficient diagnostic methods in characterizing the studied outbreaks.
has issue date	2017-08-23(xsd:dateTime)
bibo:doi	10.1186/s40813-017-0065-2
bibo:pmid	28852568
has license	cc-by
sha1sum (hex)	76d446112561ab0100feb5323f071191e0aa02c6
schema:url	https://doi.org/10.1186/s40813-017-0065-2
resource representing a document's title	Etiology of acute respiratory disease in fattening pigs in Finland
has PubMed Central identifier	PMC5568250
has PubMed identifier	28852568
schema:publication	Porcine Health Manag
resource representing a document's body	covid:76d446112561ab0100feb5323f071191e0aa02c6#body_text
is http://vocab.deri.ie/void#inDataset of	proxy:http/ns.inria.fr/covid19/76d446112561ab0100feb5323f071191e0aa02c6
is schema:about of	named entity 'total' named entity 'PCR' named entity 'herds' named entity 'Marked' named entity 'study' named entity 'pathogen' named entity 'acute' named entity 'paired' named entity 'samples' named entity 'etiologically' named entity 'SIV' named entity 'enrofloxacin' covid:arg/76d446112561ab0100feb5323f071191e0aa02c6 named entity 'swine influenza' named entity 'virus' named entity 'porcine circovirus' named entity 'coronavirus' named entity 'nasal' named entity 'respiratory disease' named entity 'investigate' named entity 'ampicillin' named entity 'resistance' named entity 'Serology' named entity 'subclinical' named entity 'detect' named entity 'etiologically' named entity 'penicillin' named entity 'subclinical' named entity 'Actinobacillus pleuropneumoniae' named entity 'antimicrobial resistance' named entity 'trimethoprim/sulfamethoxazole' named entity 'coronavirus' named entity 'Serology' named entity 'Ascaris suum' named entity 'PCR' named entity 'finishing pigs' named entity 'Polymerase chain reaction' named entity 'infection' named entity 'Etiology' named entity 'respiratory disease' named entity 'respiratory infections' named entity 'hemagglutination inhibition' named entity 'PCV2' named entity 'PRRSV' named entity 'finishing pigs' named entity 'SIV' named entity 'PCV2' named entity 'necropsies' named entity 'non-haemolytic' named entity 'diagnostic tool' named entity 'Pathogens' named entity 'tetracycline resistance' named entity 'serology' named entity 'circovirus' named entity 'microbiological analysis' named entity 'serum samples' named entity 'SIV' named entity 'lung tissue' named entity 'swine influenza' named entity 'genetic factors' named entity 'porcine' named entity 'seroconverted' named entity 'seroconverted' named entity 'PCV2' named entity 'PCR' named entity 'SIV'

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