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| Ott, Stephen L.. |
| One objective of the NAHMS Dairy '96 Study was to assess dairy producer awareness of Johne's disease, estimate national and regional herd-level prevalence of Mycobacterium paratuberculosis infection, estimate economic losses due to Johne's disease on dairy operations, and describe use of recommended preventive measures on U.S. dairy operations. Data were collection from U.S. dairy operations with at least 30 milk cows in 20 states representing 79.4 percent of U.S. dairy cows via questionnaires administered to dairy managers and blood samples collected from milk cows by Veterinary Medical Officers and Animal Health Technicians. Sera were tested for antibodies to M. paratuberculosis using a commercially available ELISA. Results showed lack of... |
| Tipo: Report |
Palavras-chave: NAHMS; Dairy; Cattle; Johne's disease; M. paratuberculosis; Economics; Livestock Production/Industries. |
| Ano: 1997 |
URL: http://purl.umn.edu/32763 |
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| Cho, Jaesung; Tauer, Loren W.; Schukken, Ynte H.; Smith, Rebecca L.; Lu, Zhao; Grohn, Yrjo T.. |
| Infectious diseases play a critical role in determining the profitability of individual farms and maintaining the viability of livestock industries, international trade, and trade policies. Thus, it is critical to analyze the economic consequences of infectious diseases, and the effects of producer strategies to control or eliminate diseases in a cost efficient approach. Also, important is the goal to rally support for the development of public disease control programs. This study examined the long-term feasibility and effectiveness of various producer strategies to prevent and control Johne’s disease in dairy herds, an infectious and incurable disease which has significant economic repercussions for the dairy industry. There are few previous studies... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Animal disease control; Dairy herd model; Johne's disease; Optimal control model; Paratuberculosis; Agribusiness; Farm Management; Livestock Production/Industries; Research and Development/Tech Change/Emerging Technologies. |
| Ano: 2010 |
URL: http://purl.umn.edu/61318 |
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| Pribylova,Radka; Kralik,Petr; Donnelly,Neysan; Matiasovic,Jan; Pavlik,Ivo. |
| The aim of this work was to study the expression of selected Mycobacterium avium subsp. paratuberculosis (MAP) genes connected with MAP virulence, adhesion and stress response. The temperature of 6°C and 65°C were chosen with regard to the food industry, storage conditions (refrigerator) and low-temperature pasteurization. A pH of 2.0, using lactic acid, was selected to mimic the natural environment of the stomach. Expression of selected genes was studied using real time reverse transcription PCR on three different MAP isolates. MAP isolates were chosen according to the number of their preceding cultivations. While isolates 8672 and 8819 were previously cultivated only once, MAP isolate 12146 went through four passages. Different expression profiles were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: MAP; Johne's disease; Stress; Treatment; Real time PCR. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000200049 |
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