Is the transmission of Mycobacterium avium subspecies paratuberculosis (MAP) infection through milk intended to feed calves an overlooked item in paratuberculosis control programs?
Animals
Antigens, Bacterial
/ blood
Cattle
Cattle Diseases
/ microbiology
Chile
Disease Susceptibility
/ veterinary
Enzyme-Linked Immunosorbent Assay
/ veterinary
Feces
/ microbiology
Female
Milk
/ microbiology
Mycobacterium avium subsp. paratuberculosis
/ isolation & purification
Paratuberculosis
/ microbiology
Seroepidemiologic Studies
Serologic Tests
/ veterinary
Control
ELISA
Milk
Observational studies
Paratuberculosis
Journal
Tropical animal health and production
ISSN: 1573-7438
Titre abrégé: Trop Anim Health Prod
Pays: United States
ID NLM: 1277355
Informations de publication
Date de publication:
Jan 2020
Jan 2020
Historique:
received:
18
12
2018
accepted:
21
06
2019
pubmed:
22
7
2019
medline:
23
4
2020
entrez:
21
7
2019
Statut:
ppublish
Résumé
As in many parts of the world, Chile shows a high Mycobacterium avium subsp. paratuberculosis (MAP) infection rate. Evidently, the control recommendations have been inefficient. In the author's opinion, the potential risk of MAP transmission to susceptible calves through milk consumption is largely overlooked. Two observational studies were performed, one to confirm MAP shedding in young stock in a high MAP-infected dairy herd and MAP load in milk intended to feed these calves was estimated. In parallel, in a second study, we estimated the relationship between MAP herd seroprevalence and the cow MAP shedding level as well as the presence of this pathogen in milk used to feed dairy calves. In the first study, 53.7% of cows and 22.5% of calves showed positive culture results. Among all cows tested, 9 (2.19%) animals had a positive serum ELISA, and MAP load in milk reached 10
Identifiants
pubmed: 31325018
doi: 10.1007/s11250-019-01988-x
pii: 10.1007/s11250-019-01988-x
doi:
Substances chimiques
Antigens, Bacterial
0
Types de publication
Journal Article
Observational Study
Langues
eng
Sous-ensembles de citation
IM
Pagination
89-94Subventions
Organisme : FONDECYT
ID : 1161633
Organisme : Dirección de Investigación, Universidad Austral de Chile (CL)
ID : DID S-2015-48 Grant
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