Table 3 Comprehensive analysis of virulence of M. hyopneumoniae strains following challenge experiments
From: Genotyping and biofilm formation of Mycoplasma hyopneumoniae and their association with virulence
Source | Strains | Geographical origins | Virulence | Challenge tests* | References |
|---|---|---|---|---|---|
International strains | J | Brazil | Low | × | [21] |
232 | USA | High | × | [23] | |
7448 | Brazil | High | × | [24] | |
7422 | Brazil | High | × | [24] | |
Vaccine strains | RM48 | China | Low | × | – |
168 L | China | Low | √ | This study | |
Field isolates | 168 | China | High | √ | This study |
NJ | China | High | √ | This study | |
XLW-2 | China | Low | √ | This study | |
LH | China | High | √ | This study |