Sentence examples for poultry populations from inspiring English sources

Serosurveillance of poultry populations is an important monitoring tool and can also be used for control of vaccination campaigns.

In the early to mid-1990's, the A(H5N1) virus began quietly establishing itself in the poultry populations of Asia.

The H5N1 virus has been widespread in poultry populations across Asia since 2003, leading to the slaughter of tens of millions of birds.

Beginning in late December 2003, an epidemic of avian (bird) flu, a deadly disease of birds caused by type A influenza viruses, devastated poultry populations in most of Southeast Asia.

Given the infrequency of HPAI introduction into domestic poultry populations and the relative paucity of occurrences of LPAI epidemics, the evaluation of the effectiveness of this approach would require its application for several migration seasons to allow the collection of sufficient reliable data.

However, global poultry populations are large and continue to increase (Fig. 1b).

Researchers have a new theory to explain why a particularly nasty strain of Salmonella has spread through U.S. and European poultry populations in the past 40 years, sickening millions of people who eat the infected birds or their eggs.

The so-called bird flu, identified by virologists as H5N1 (a reference to the viral surface proteins hemagglutinin and neuraminidase; there are 15 types of ‘H' and 9 subtypes of ‘N' proteins), first emerged in Hong Kong in 1997 and has spread among poultry populations in Vietnam, Thailand and elsewhere in Asia.

The so-called bird flu, identified by virologists as H5N1 (a reference to the viral surface proteins hemagglutinin and neuraminidase; there are 15 types of ‘H' and 9 subtypes of ‘N' proteins) first emerged in Hong Kong in 1997 and has spread among poultry populations in Vietnam, Thailand and elsewhere in Asia.

Avian influenza viruses (AIVs) and Newcastle disease viruses (NDVs) co-circulate in the poultry population in China.

In 1983, the virus raced so rapidly through the Pennsylvania poultry population that health officials there were forced to slaughter nearly every chicken in the state.