Hundreds of chicken eggs. Eating and eggs.
In Mexico there are 165 million long-lived roosters and hens for egg production, of which 90 million are on farms in Jalisco (55 percent); same that are strengthened before the threat of avian flu outbreaks.
This was reported at a press conference by Dr. Juan Antonio Serratos Vidrio, a research professor at the Department of Livestock and Agricultural Sciences of the Los Altos University Center (CUAltos) from the UdeG.
“The status we maintain is the eradication of vaccine control; that is to say, we are vaccinating 100 percent of the population (in Jalisco). In the last seven months there have been no outbreaks, that we have had to sacrifice animals or quarantine. Since 1994, in Jalisco, we have been using the vaccine against H5N2”, he reported.
He said that the program has been successful, including broiler chickens, in coordination with producers from municipalities in the Altos Norte and Altos Sur regions (with egg-producing birds) and in the South region (where there is production of broiler chickens). fattening).
The academic recalled that in the case of broiler populations there is a repopulation every 45 days, very different from long-lived ones; so the vaccination program is different. “Now we are inviting that in each repopulation the vaccination programs continue to be maintained“, said.
He explained that the vaccine that has been applied is a dead virus, with pathogen proteins that make the bird’s body generate immunity.
Last year, several outbreaks occurred in Mexico, especially in areas where vaccination of bird populations had not been carried out.
In Mexico, it has occurred in places where there had been no vaccination programs: in June there was one for H7N3 in Coahuila; in October one of H5N1 in the State of Mexico, Jalisco, Aguascalientes and Chiapas (but it was in wild and backyard birds, not in production birds); in October, an H5N1 outbreak in Nuevo León; in November, of H5N1 in Sonora and Yucatán; and in February 2023, of H5N1 in Aguascalientes.
According to data from the National Health, Safety and Quality Service (Senasica), in 2022 several outbreaks occurred in the world: Africa (200 outbreaks with 2.2 million birds affected), Asia (666, with 14.9 million), Europe (5 thousand 379 , with 42.40 million), America (1,757, with 99.78 million). The total was 8 thousand 009 outbreaks, with 159 million 209 thousand birds affected.
About the possibility that some avian influenza viruses reach humans, the academic said that a mild clinical picture may occurwhich could considerably affect “those who have a certain weakness in their antigenic response,” he stressed.
Faced with outbreaks in mammals, they propose changes in the control of harmful fauna
Given the alert recently issued by the UN on cases of H5N1 influenza in dogs and cats, Serratos Vidrio explained that it is migratory birds that have transmitted this strain to mammals and that It is important that on farms you avoid having domestic animals around.
“It is important that in our facilities we have control of harmful fauna through mechanisms, not with cats; today we are making proposals to change these models. We always try to keep dogs and cats at a considerable distance“, external.
To prevent avian influenza from reaching dogs, cats and humans, he said that efforts have been redoubled so that this does not happen in Jalisco. The academic stressed that work should continue on biosafety strategies to further contain the threat of avian influenza viruses.
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2023-07-18 21:08:16
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