Some difficulties associated with the eradication of swine fever
نویسندگان
چکیده
منابع مشابه
Eradication of African swine fever from Brazil
Several outbreaks of African swine fever (ASF), which appeared in the south of Brazil in 1978 and 1979, led the Brazilian authorities to apply emergency sanitary measures. 66,966pigs were destroyed in 224 outbreaks of identified ASF. In order to eradicate ASF and to control classical swine fever (CSF) simultaneously, a vast national Programme was launched in November 1980. It provided for three...
متن کاملAfrican swine fever virus eradication in Africa.
African swine fever was reported in domestic pigs in 26 African countries during the period 2009-2011. The virus exists in an ancient sylvatic cycle between warthogs (Phacochoerus africanus) and argasid ticks of the Ornithodoros moubata complex in many of the countries reporting outbreaks and in two further countries in the region. Eradication of the virus from the countries in eastern and sout...
متن کاملUncovering Family Experiences with Head Lice: The Difficulties of Eradication
Head lice (Pediculus humanus capitis) are not a significant public health concern but elicit great alarm among parents. The investigators host information websites through which they field several hundred queries annually. This study investigated the experience of those treating head lice infections focusing on control difficulties. A short web-based questionnaire (available August, 2006 and Fe...
متن کاملnew semigroup compactifications via the enveloping semigroups of associated flows
this thesis deals with the construction of some function algebras whose corresponding semigroup compactification are universal with respect to some properies of their enveloping semigroups. the special properties are of beigan a left zero, a left simple, a group, an inflation of the right zero, and an inflation of the rectangular band.
15 صفحه اولA cost analysis of alternative culling strategies for the eradication of classical swine fever in wildlife
In the epidemiological literature, the eradication of a wildlife disease through culling is usually described in terms of a constant hunting rate to simulate the selective removal of animals from the population. By using simple SI (susceptible–infected) models, it is easy to prove that, if the hunting rate is high enough, the population eventually drops below a critical threshold level under wh...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Comparative Pathology and Therapeutics
سال: 1900
ISSN: 0368-1742
DOI: 10.1016/s0368-1742(00)80041-7