Detection of Candidatus Mycoplasma haemobos in cattle with anaemia

Hoelzle, Katharina; Winkler, Margit; Krämer, Manuela; Wittenbrink, Max M.; Dieckmann, Sarah M.; Hoelzle, Ludwig E.

doi:10.1016/j.tvjl.2010.01.016

Cited by 84 publications

(58 citation statements)

References 11 publications

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“…M. haemobos' infections in Europe, Asia, and Oceania (HOELZLE et al, 2011;TAGAWA et al, 2012;MCFADDEN et al, 2016). However, epidemiological data on 'Ca.…”

Section: Discussionmentioning

confidence: 99%

“…M. haemobos' has only been reported in cattle from Switzerland (MELI et al, 2010), China (SU et al, 2010), Japan (TAGAWA et al, 2008), Germany (HOELZLE et al, 2011), Hungary (HORNOK et al, 2011), England (AYLING et al, 2012, New Zealand (MCFADDEN et al, 2016), and Brazil (GIROTTO et al, 2012). The latter refers to the only description of hemoplasma in cattle blood detected by PCR in the southern region of the country.…”

Section: Introductionmentioning

confidence: 99%

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Prevalence of 'Candidatus Mycoplasma haemobos' detected by PCR, in dairy cattle from Ji-Paraná in the north region of Brazil

et al. 2017

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The municipality of Ji-Paraná, Rondônia, is one of the major dairy production areas in the north region of Brazil. Thus, it is important to evaluate infectious agents that have the potential to negatively affect productivity in the industry. The objective of this study was to investigate the prevalence of ' Candidatus Mycoplasma haemobos' by using a PCR-based detection method and correlate this with dairy herd variables (abortion frequency, weak calf birth rate, total cattle number, >24-month-old cow number, farm size, and production system) in family farms of the Ji-Paraná municipality, north region, Brazil. Blood samples were collected from 320 dairy cows located across 64 farms (i.e., five animals per farm) from September 2012 to November 2013. Overall prevalence of 'Ca. M. haemobos' was 64.2% and prevalence per herd was 95.3%; the number of >24-month-old cows in the farms studied correlated with ' Ca. M. haemobos' infection rates. Considering the importance of the dairy industry to the study area, additional investigations are necessary to evaluate the effect of chronic infection in these animals on milk production and herd health.

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“…M. haemobos' infections in Europe, Asia, and Oceania (HOELZLE et al, 2011;TAGAWA et al, 2012;MCFADDEN et al, 2016). However, epidemiological data on 'Ca.…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Prevalence of 'Candidatus Mycoplasma haemobos' detected by PCR, in dairy cattle from Ji-Paraná in the north region of Brazil

et al. 2017

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“…'Candidatus Mycoplasma haemobos' has been reported using molecular methods such as polymerase chain reaction (PCR) and sequencing techniques in cattle from Switzerland, Germany, China, and Japan (HOFMANN-LEHMANN et al, 2004;TAGAWA et al, 2008;SU et al, 2010;HOELZLE et al, 2011). However, to the author's knowledge, no molecular detection has been reported to date in the Americas.…”

Section: Introductionmentioning

confidence: 99%

Molecular detection and occurrence of 'Candidatus Mycoplasma haemobos' in dairy cattle of Southern Brazil

Girotto

Zangirólamo

Bogado

et al. 2012

Rev. Bras. Parasitol. Vet.

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Bovine hemoplasmas are bacteria found on the erythrocyte surface or free in the plasma of cattle. The aim of the present study was to evaluate the occurrence of 'Candidatus Mycoplasma haemobos' ('C. M. haemobos') in Holstein and Jersey cattle raised in Londrina and surroundings, northern region of the State of Parana, Southern Brazil. PCR testing directed to 16S rRNA gene fragment was performed to investigate the occurrence and characterize the molecular identity of 'C. M. haemobos'. A total of 264/433 (60.97%) blood samples were positive by PCR. Further alignment of 500-bp amplicons to available sequences at the GenBank database showed high identity (100%) to 'C. M. haemobos'. To the author's knowledge, this is the first molecular confirmation of the hemoplasma 'C. M. haemobos' in cattle from Brazil. Moreover, 'C. M. haemobos' was observed in high occurrence in dairy cattle, and may have significant impact in livestock production.

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“…Although M. wenyonii has been shown to exhibit worldwide geographical distribution, 'C. M. haemobos' has been solely reported from Switzerland, China, Germany and Japan [2,3,8,9]. Both hemoplasma species are causative of infectious anemia in cattle to some extent and have been demonstrated in Hokkaido and Tohoku regions of this country.…”

mentioning

confidence: 97%

Prevalence of Hemoplasma Infection among Cattle in the Western Part of Japan

et al. 2011

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ABSTRACT. We have examined for hemoplasma infection among cattle in the Hiroshima and Miyazaki prefectures by using a sensitive real-time PCR, with SYBR Green I and with melting curve analysis, which allow to distinguish the two bovine hemoplasma species, Mycoplasma wenyonii and 'Candidatus M. haemobos'. We found 69.4% of 36 cattle in Hiroshima and 93.8% of 32 cattle in Miyazaki infected with either of these two hemoplasma species. High morbidity in western part of Japan may reflect the activity of arthropod vectors for hemoplasma transmission. We also demonstrated neonatal calves less than three months old affected with hemoplasmas without grazing in summer, suggesting a possibility of vertical transmission.

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Detection of Candidatus Mycoplasma haemobos in cattle with anaemia

Cited by 84 publications

References 11 publications

Prevalence of 'Candidatus Mycoplasma haemobos' detected by PCR, in dairy cattle from Ji-Paraná in the north region of Brazil

Prevalence of 'Candidatus Mycoplasma haemobos' detected by PCR, in dairy cattle from Ji-Paraná in the north region of Brazil

Molecular detection and occurrence of 'Candidatus Mycoplasma haemobos' in dairy cattle of Southern Brazil

Prevalence of Hemoplasma Infection among Cattle in the Western Part of Japan

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