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| Content Provider | Springer Nature Link |
|---|---|
| Author | Hutber, A.M. Kitching, R.P. Conway, D.A. |
| Copyright Year | 1998 |
| Abstract | Foot-and-mouth disease (FMD) within Saudi Arabian dairy herds has been controlled for the past decade through vaccination. Data from 19 outbreaks on Saudi farms has suggested that the durability of these vaccines extended for 2.5 months, providing an 81–98% level of protection. Vaccination has nevertheless failed to prevent the establishment and sometimes persistence of the disease. This is probably because the highly contagious nature of FMD creates increasing levels of viral excretion during an outbreak, and the co-habitation in Saudi farms of affected/susceptible animals following diagnosis, predisposes the herds to re-infection. Pre-clinical excretion of the virus leads to the infection of additional in-contact susceptible animals prior to diagnosis, so the isolation of clinically infected animals does not guarantee a removal of infection. Saudi Arabian farms are subdivided into managed farm pens and isolation (away from the farm) of all animals in infected pens not only removes the infectious individuals showing clinical signs, but also those that are sub-clinical and excreting virus. Simulations suggest that removing all infectious animals from the herd significantly reduces the per cent infected in the herd. |
| Starting Page | 217 |
| Ending Page | 227 |
| Page Count | 11 |
| File Format | |
| ISSN | 00494747 |
| Journal | Tropical Animal Health and Production |
| Volume Number | 30 |
| Issue Number | 4 |
| e-ISSN | 15737438 |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Publisher Date | 1998-01-01 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Veterinary Medicine Zoology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Animal Science and Zoology Food Animals |
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