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Paratuberculosis (0)
Articles on Paratuberculosis
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Identification and characterization of a spore-like morphotype in chronically starved Mycobacterium avium subsp. paratuberculosis cultures.
PLoS One 7(1):e30648 (2012) PMID 22292005
We investigated the potential role of sporulation in one-year old broth cultures of Mycobacterium subsp. paratuberculosis (MAP). We show that dormant cultures of MAP contain a mix of vegetative cells and a previously unknown morphotype resembling a spore. These spore-like structures can be enriched... -
Preface: Johne's Disease.
Vet Clin North Am Food Anim Pract 27(3):xi-xii (2011) PMID 22023844
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Within-herd contact structure and transmission of Mycobacterium avium subspecies paratuberculosis in a persistently infected dairy cattle he...
Prev Vet Med 100(2):116-25 (2011) PMID 21549436
We developed a stochastic compartmental model of Map transmission in a closed dairy herd. The model reflects the Map infection process and herd management characteristics. Indirect transmission via the environment was modelled explicitly. Six infection states (susceptible, resistant, transiently inf... -
The interleukin 10 response in ovine Johne's disease
Vet Immunol Immunopathol 139(1):7 (2011) PMID 20817276
We studied groups of sheep with either no Johne's disease (n=10), natural infection (n=30) or experimental infection (n=58). Disease status of the animals was comprehensively assessed by culture of Mycobacterium avium subsp. paratuberculosis (Mptb), histopathology and serology. Antigen-specific IL-1... -
Successful treatment of asymptomatic or clinically terminal bovine Mycobacterium avium subspecies paratuberculosis infection (Johne's diseas...
Virulence 2(2):131-43 (2011) PMID 21460639
A naturally occurring gastrointestinal disease, primarily of ruminants (Johne disease), is a chronic debilitating disease that is caused by Mycobacterium avium subspecies paratuberculosis (MAP). MAP infection occurs primarily in utero and in newborns. Outside our Dietzia probiotic tr... -
Evidence of Mycobacterium avium subsp. paratuberculosis infection in Dutch farmed red deer.
Tijdschr Diergeneeskd 135(23):886-90 (2010) PMID 21207913
Paratuberculosis is a chronic disease in ruminants caused by Mycobacterium avium subsp. paratuberculosis (MAP). Most economic losses due to MAP occur in the dairy industry. However, the infection is not restricted to cattle, but also occurs in other ruminants, such as sheep, goat, and deer. Although... -
Invited review: modeling within-herd transmission of Mycobacterium avium subspecies paratuberculosis in dairy cattle: a review.
J Dairy Sci 93(10):4455-70 (2010) PMID 20854979
We describe available models' structure and examine them in the context of current knowledge about host infection and pathogen transmission pathways. We investigate how population structure and herd management are modeled with regard to their influence on contact structure and pathogen transmission.... -
Association of microsatellite polymorphisms with immune responses to a killed Mycobacterium avium subsp. paratuberculosis vaccine in Merino ...
N Z Vet J 58(5):237-45 (2010) PMID 20927174
To study the association of polymorphisms at five microsatellite loci with immune responses to a killed Mycobacterium avium subsp. paratuberculosis (Map) vaccine. Merino sheep (504 vaccinates and 430 unvaccinated controls) from a long-term Johne's vaccine trial undertaken on three different properti... -
Consecutive excretion of Mycobacterium avium subspecies paratuberculosis in semen of a breeding bull compared to the distribution in feces, ...
J Vet Med Sci 72(10):1283-8 (2010) PMID 20460836
Paratuberculosis (Johne's disease) has emerged as one of the most important diseases in cattle. The role of infected bull semen in the spread of infection remains unclear, as the correlation between the amount of excreted Mycobacterium avium subsp. paratuberculosis (semen and feces) and the infectio... -
Effect of Johne's disease status on reproduction and culling in dairy cattle.
J Dairy Sci 93(8):3513-24 (2010) PMID 20655419
Among the costs attributed to Mycobacterium avium ssp. paratuberculosis (MAP) infection in dairy cattle, the effects on reproduction and culling are the least documented. To estimate the cost of MAP infections and Johne's disease in a dairy herd, the rates of calving and culling were calculated for...