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Journal ArticleDOI

Diagnosis of Mycoplasma hyopneumoniae.

Eileen L. Thacker
- 01 Dec 2004 - 
- Vol. 5, Iss: 2, pp 317-320
TLDR
The use of serology, the polymerase chain reaction and various assays to detect the presence of M. hyopneumoniae in tissue is common in diagnostic laboratories as mentioned in this paper.
Abstract
Mycoplasma hyopneumoniae, the cause of enzootic pneumonia, remains an important pathogen in the swine industry. This small, complex organism colonizes the ciliated cells of the respiratory tract, resulting in little exposure to the immune system. Confirming the presence of M. hyopneumoniae, as well as identifying its role in respiratory disease and pneumonia, remains challenging to the veterinary profession. While culture of the organism remains the gold standard for identification, the use of serology, the polymerase chain reaction and various assays to detect the presence of M. hyopneumoniae in tissue is common in diagnostic laboratories. Because of the role M. hyopneumoniae plays in increasing the severity of pneumonia associated with concurrent bacterial and viral infections, understanding the pathogenesis and diagnostic assays available is critical for developing effective intervention strategies to control respiratory disease on a herd basis.

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Citations
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Journal ArticleDOI

Value of the clinical examination in diagnosing enzootic pneumonia in fattening pigs.

TL;DR: It was concluded that in fattening pigs a quantitative assessment of the onset of coughing improves the diagnosis of enzootic pneumonia and can occasionally substitute for the detection of M. hyopneumoniae by PCR.
Journal ArticleDOI

Cloning and purification of recombinant proteins of Mycoplasma hyopneumoniae expressed in Escherichia coli

TL;DR: In this work, 54 predicted genes encoding proteins with potential to be used as subunit vaccine or antigens in diagnostic tests were selected, amplified by PCR and cloned into Escherichia coli expression vectors, which allowed purification of thirty recombinant M. hyopneumoniae proteins which will be evaluated as vaccine candidates and/or as antigen to be use in diagnostic Tests.
Journal ArticleDOI

Vaccination of piglets at 1 week of age with an inactivated Mycoplasma hyopneumoniae vaccine reduces lung lesions and improves average daily gain in body weight.

TL;DR: It is concluded that vaccination with Suvaxyn MH-One to pigs at less than 1 week of age is effective in reducing lung lesions resulting from M. hyopneumoniae and also aids growth performance by reducing weight losses and improving average daily gain.
Journal ArticleDOI

Application and field validation of a PCR assay for the detection of Mycoplasma hyopneumoniae from swine lung tissue samples.

TL;DR: A PCR assay was validated for the detection of Mycoplasma hyopneumoniae in porcine lung tissue and the diagnostic sensitivity and specificity of the PCR were determined to be 97.3% and 93.0%, respectively.
Journal ArticleDOI

Comparison of detection procedures of Mycoplasma hyopneumoniae, Mycoplasma hyosynoviae, and Mycoplasma hyorhinis in lungs, tonsils, and synovial fluid of slaughtered pigs and their distributions in Thailand.

TL;DR: Investigation of whether direct PCR (DP) gave similar results to culture prior to PCR (CPP) for detecting mycoplasmas in different types of pig tissues found there was a significant relationship between joint lesion and M. hyorhinis detection by DP and CPP.
References
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Book

Diseases of swine.

TL;DR: In this article, the characteristics of a variety of diseases of swine and methods for their prevention and treatment are described, as well as methods to detect and treat these diseases in swine.
Journal ArticleDOI

Mycoplasma hyopneumoniae Potentiation of Porcine Reproductive and Respiratory Syndrome Virus-Induced Pneumonia

TL;DR: Results indicate that M. hyopneumoniae infection potentiates PRRSV-induced disease and lesions, which is important with respect to the control of respiratory disease in pigs and has implications in elucidating the potential contribution of mycoplasmas in the pathogenesis of viral infections of other species, including humans.
Journal Article

Some recommendations concerning primary isolation of Mycoplasma suipneumoniae and Mycoplasma flocculare a survey.

Friis Nf
TL;DR: A description is given of a new medium with which primary isolation of mycoplasma species of the porcine respiratory tract is usually successful, and various additives often recommended for myCoplasma cultivation have been examined for growth promoting effect.
Journal ArticleDOI

Ciliostasis and loss of cilia induced by Mycoplasma hyopneumoniae in porcine tracheal organ cultures.

TL;DR: In vivo- and in vitro-grown Mycoplasma hyopneumoniae organisms were inoculated onto newborn piglet tracheal organ cultures to provide a model for interaction of this organism with ciliated respiratory epithelium.
Journal ArticleDOI

Mycoplasma hyopneumoniae infection in pigs; duration of the disease and evaluation of four diagnostic assays

TL;DR: An evaluation of cultivation, immunofluorescence, ELISA and polymerase chain reaction for demonstration of M. hyopneumoniae in lungs showed that all four methods have a high sensitivity in the acute stages of pneumonia.
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