Sentences with phrase «pig population»
The two strains had a common H1N1 - type ancestor, but both have been evolving independently in pig populations, and the minute changes to viral genes that allowed the virus to adapt to a new host were different in each strain.
scientificamerican.com
The circumstances of the Nipah outbreak suggest that the virus needs a large pig population to maintain itself long enough to have a chance of spreading to humans.
The first priority will be given to Namwendwa because it has the highest pig population in the district.
Drought affected the cow supply, then the avian flu affected poultry and the pig population dropped due to PEDv virus in young pigs.»
In each case, the virus in pigs closely resembled H5N1 from nearby outbreaks in poultry, suggesting it has jumped from the bird to the pig population.
«What this says is we had better watch what's happening in the pig populations of the world,» says Robert Webster, a virologist at St. Jude Children's Research Hospital in Memphis, Tennessee.
The genetic mug shot, described in today's issue of Science, * could help health officials spot a reemergence of the deadly virus and suggests that pig populations — the source of the virus — be closely monitored.
In the last 30 years the pig population has increased from 0.19 to 2.3 million, and there are more than 1 million households raising pigs.
The following Table shows the top five sub-Saharan African countries according to size of pig population.
The livestock census of 2009 puts the pig population at 25,303 pigs, the highest sub county being Namwendwa with 6183 and the lowest Kamuli Town Council with 52 pigs.