An outbreak of H5N2 avian influenza occurred in a chicken farm in Baoding, Hebei Province, and 120,000 chickens were culled.

On December 17th, 4,000 chickens died abnormally in Hufeng Chicken Farm, Zhuzhuang Village, Nanshi District, Baoding. On the 21st, it was confirmed by the National Avian Influenza Reference Laboratory that the epidemic was highly pathogenic avian influenza of H5N2 subtype.

The reporter learned from the office of the major animal epidemic command in the epidemic area that the epidemic situation has been effectively controlled. Qi Jicheng, director of Baoding Animal Disease Prevention and Control Center, said that the bird flu will not spread among people. It can be inactivated in 10 minutes at 70℃ and killed instantly at 100℃.

Visit Hufeng Chicken Farm in Zhuzhuang Village to become an epidemic spot.

On December 21, the reporter went to Zhuzhuang Village, Nanshi District, Baoding, and found that there were two police cars at the main entrance of the village to form a checkpoint. Two policemen conducted an inventory of the vehicles entering the village. More than 10 meters away from the south side of the checkpoint, several epidemic prevention personnel wearing white coats are disinfecting the passing vehicles.

Subsequently, the reporter went south along Zhu Zhuang Road, and found police cars, sprinklers and vehicles marked with the words of fire control and health supervision everywhere on both sides of the road. Workers wearing epidemic prevention clothing and disinfection equipment can be seen everywhere.

After walking more than 300 meters, the reporter found that there were more than 100 people gathered on the roadside and were collecting various epidemic prevention tools. There is a safety warning line in front of the roadside Hufeng Chicken Farm, and the ground is covered with white ash. An epidemic prevention worker stood in front of the door with a medicine bucket, and a sign marked "epidemic point" was set up next to it.

The response to the epidemic has been effectively controlled.

More than 100 meters away from the north side of the chicken farm, the "Major Animal Epidemic Command Office" was set up, and the "Decision on Blocking the Highly Pathogenic Avian Influenza Epidemic Area in Our District" (hereinafter referred to as the "Decision") was posted in front of the door, which was stamped with the official seal of the Nanshi District Government. According to the "Decision", since 0: 00 on December 19, the blockade will be implemented 3 kilometers around Hufeng Chicken Farm in Nanshi District, Baoding City, Zhuzhuang Village, Jiaozhuang Township, and the blockade will be lifted at 0: 00 on January 9, 2014. During the blockade period, temporary highway disinfection inspection stations shall be set up at the main traffic intersections entering the epidemic area according to law, so as to prohibit poultry and their products from flowing out of the epidemic area and poultry from non-epidemic areas from entering the epidemic area. According to the need to extinguish the epidemic situation, disinfection and other restrictive measures shall be taken for personnel, means of transport and related articles entering and leaving the blockade area, and poultry and their products in Zhu Zhuang, Liansan and Ruanzhuang villages within 3 kilometers of the epidemic area and surrounding areas shall be culled and destroyed, emergency immunization and isolation shall be carried out for susceptible animals within 5 kilometers of the epidemic area, and trading activities of related animals and their products shall be stopped. At the same time, the implementation of disinfection and other mandatory epidemic control and eradication measures.

At 21: 47 on December 21, the Information Office of the Ministry of Agriculture announced the epidemic situation: an epidemic situation of highly pathogenic avian influenza in poultry occurred in Nanshi District of Baoding City. At present, the epidemic has been effectively controlled.

Deal with thousands of people and cull more than 120 thousand chickens.

On the 22nd, in the office of the "Major Animal Epidemic Command", Zhang Wenguang, director of the Agriculture Bureau of Nanshi District, told the reporter that at present, the poultry in the epidemic area have been culled and the eggs have been treated harmlessly. Now they are carrying out harmless treatment of feces, which is expected to be completed in 3 to 4 days. In addition, the main work at present is disinfection.

Zhang Wenguang introduced that on the 17th, the relevant person in charge of Hufeng Chicken Farm in Zhuzhuang Village in the jurisdiction found that 4,000 chickens died abnormally and immediately reported it. Subsequently, the provincial and municipal animal disease prevention and control centers diagnosed it as a suspected bird flu epidemic. On the 21st, the National Avian Influenza Reference Laboratory confirmed that the epidemic was a highly pathogenic H5N2 subtype avian influenza epidemic.

During this period, Nanshi District closed the chicken farm and isolated 11 people in the chicken farm. At about 21 o’clock on the 19th, more than 30 technicians from provinces and cities, more than 1,000 militia reserve, public security officers, fire-fighting armed police and professional technicians took turns to go into battle, culling and harmless treating 125,700 chickens, and destroying the eggs in stock in chicken farms. The animal husbandry departments at the municipal and district levels are tracking and tracing the eggs sold.

At present, the Center for Disease Control and Prevention in Nanshi District conducts daily temperature tests on 11 people isolated in the epidemic area, and no abnormal conditions have been found.

survey

An epidemiological investigation of the source of infection is under way.

According to Zhang Wenguang, Hufeng Chicken Farm, which was built in 1992, is an individual enterprise. There are more than 120,000 chickens, most of which are laying hens, and there are no carnivorous chickens. There has never been a similar large-scale epidemic in this chicken farm. More than 4,000 chickens that died were young chickens that had not laid eggs, which were purchased from other places by the chicken farm on November 27th. At present, relevant departments are conducting an epidemiological investigation on the source of infection.

Zhang Wenguang said that only Hufeng Chicken Farm is a large-scale farm, 3 kilometers around the epidemic area and 5 kilometers around the epidemic area, and most of the rest are free-range. At present, all live birds including 7 villages have been culled, and all susceptible substances, products and pollutants have been treated harmlessly.

The reporter learned that Nanshi District has stopped the live poultry trading in its jurisdiction.

market

Citizens can buy meat and poultry food with confidence according to the "quarantine certificate"

On December 22nd, in the science and technology market of Baoding Agricultural University, the reporter visited three shops that mainly deal in raw poultry food such as chicken, duck and goose, and found that the three shops were well supplied. Several store officials said that the price and sales volume were not affected by bird flu.

In Baofu Market, a merchant selling eggs told reporters that the price of eggs has remained around 4.3 yuan at present, and there has been no great fluctuation due to bird flu. A stall owner selling raw poultry food directly presented a Certificate of Animal Quarantine to the reporter, saying that the food can definitely guarantee safety.

On the 22nd, the staff of the Animal Health Supervision Institute of Baoding Animal Husbandry and Fisheries Bureau told the reporter that the regular stalls and shops selling meat and poultry will hold the Quarantine Certificate of Animal Products (hereinafter referred to as the Certificate), and citizens can buy meat and poultry food with confidence as long as they see this certificate. At the same time, the staff reminded that this "certificate" will be placed in a more eye-catching place in booths and shops, and they will strengthen inspections to ensure public safety.

Later, the reporter learned from the relevant responsible population of Baofu Market Office that the sales volume of chicken and eggs in Baofu market has only slightly decreased and the price has not changed.

Expert virus will not spread from person to person.

Qi Jicheng, director of Baoding Animal Disease Prevention and Control Center, introduced that at present, Baoding has established a four-level forecasting system for cities, counties and villages, requiring all departments to implement a 24-hour daily reporting system, and has not received any abnormal reports. At the same time, the areas adjacent to epidemic areas, waterfowl areas such as Baiyangdian Lake, four major reservoirs, large farms and other areas were taken as key monitoring areas, and samples were collected for pathogen detection. Up to now, the test results are negative and there is no abnormality. In addition, strengthen the immunization of poultry farms in the city, increase the frequency of immunization, and ensure that poultry immune antibodies reach a higher standard.

Qi Jicheng said that according to the test results, there is no epidemic in the market at present, and residents can rest assured to consume. Even if there is an epidemic, according to the characteristics of H5N2 virus, it will not spread among people. At the same time, the virus can be inactivated in 10 minutes at 70℃ and killed instantly at 100℃.