18,000 Chickens Culled Following H5N2 Outbreak|彰化傳禽流感疫情 近2萬隻土雞遭撲殺
After Typhoon Lekima left Taiwan, the southwest airflow arrived in central and southern Taiwan. It has been raining many consecutive days in Changhua County, which sent temperatures falling. Free-range chickens have caught colds and another free-range chicken farm has fallen prey to Influenza A virus subtype H5N2. All 18,000 of its free-range chickens have been culled. This is the 12th farm to suffer a H5N2 outbreak in Changhua County this year and the Changhua County Animal Disease Control Center continues to step up prevention efforts.
Changhua County Animal Disease Control Center workers remove sacks of dead chickens from a farm in Changhua County's Dacheng Township. The farm owner reported unusual deaths on the 10th and tests for Influenza A virus subtype H5N2 came back positive on the 13th.
So, we immediately sent personnel to take samples and sent them in to the Animal Health Research Institute for testing. Following confirmation on (Aug. 13), we culled a total of 18,030 free-range black-feathered chickens.
This is the 12th Changhua farm to suffer a bird flu outbreak this year. The center says in this case, lower pre- and post-typhoon temperatures along with consecutive days of heavy rain caused by the southwest airflow may have weakened the immunity of livestock.
…which caused the immunity of the chickens to go down and made them more susceptible to infection. Before typhoons come, it is probably muggier. Sometimes, there is heavy rain. There may therefore be greater temperature variation. If farms are not managing air circulation and temperature properly, it puts the livestock under stress. This in turn makes it easier for them to get sick.
The center says bird flu outbreaks usually occur between September and the following April, but H5N2 outbreaks can occur any time of the year. For now, it is sterilizing farms. With the southwest airflow raising the likelihood of further rain in the coming week, the center is also calling on farms to take proper preventive measures.
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