By the time governments resorted to culling, the disease was widespread.Chaturon Chaisang, the minister in charge of Thailand's fight against the epidemic, says the problem will persist in Asia for some time.
In such cases, when can culling wild disease carriers be justified by the benefit this offers to the vulnerable population that the cull is designed to protect?
Mastitis, treatment for fertility problems, culling and diseases in young stock were calculated as the yearly incidence rates (IR), i.e. number of cases divided by number of cow days or young stock days.
Approximately 62 million birds were either killed by H5N1 viruses or culled for disease control and animal welfare reasons.
All data concerning production and events such as calving, culling, reproduction and disease were extracted from the animal recording database managed by TINE Dairy Association [ 30], and were presented according to principles recommended by [ 15].
With the other Jews of Warsaw, they are herded into the ghetto, a captive labor force subject to continual culling by disease, starvation and the random violence of their tormentors.
Argon is used in the poultry industry to asphyxiate birds, either for mass culling following disease outbreaks, or as a means of slaughter more humane than the electric bath.
When outbreaks occur, governments should immediately offer realistic compensation to farmers for birds lost to disease and culling.
This includes strengthening cattle testing and movement controls, vaccinating badgers in the buffer zone around high-risk areas, and culling badgers where the disease is rife.
Despite attempts to stamp out the disease by culling infected flocks, the virus continues to resurface (ScienceNOW, 6 July).
