Consisting of influenza virus type A, B and C. Fifteen subtipe of influenza virus known to menginfeksi birds-poultry, s aat up to this, all forms of influenza outbreaks of the highly patogenik derived from virus-influenza virus type A with subtipe (Haemaglutinin) H5 and H7. Type A influenza subtipe views of Neuraminidase also, s aat this subtipe Type 9 is based on Neuramanidase. Avian influenza virus of the aat s s aat this bersirkulasi in Asia and cause many deaths in poultry is H5N1.
Birds with H5N1 influenza virus can be issued with a large amount in kotorannya. The virus can survive in water up to 4 hours at a temperature of 22 C and more than 30 days in the temperature 30C. In poultry feces and poultry in the patient's body can survive longer, but will die on the heating 60C for 30 minutes.
Aat s research on this virus has been found that the influenza-virus was not pathogenic after several bersirkulasi s aat on livestock population, can be bermutasi virus-virus that is infectious. S elama epidemic in the United States in the year. 1983-1984, H5N2 virus initially caused death in a small amount, but in the next six months turned into highly infectious, with a mortality rate approaching 90%. Level of prevention against epidemics depopulasi produce 17 million poultry with the cost of almost U.S. $ 65 million. S elama th epidemic in Italy. 1999-2001, H7N1 virus, initially not very infectious, but time in 9 months bermutasi virus becomes highly contagious. Cause 13 million birds dead or destroyed.
Birds with H5N1 influenza virus can be issued with a large amount in kotorannya. The virus can survive in water up to 4 hours at a temperature of 22 C and more than 30 days in the temperature 30C. In poultry feces and poultry in the patient's body can survive longer, but will die on the heating 60C for 30 minutes.
Aat s research on this virus has been found that the influenza-virus was not pathogenic after several bersirkulasi s aat on livestock population, can be bermutasi virus-virus that is infectious. S elama epidemic in the United States in the year. 1983-1984, H5N2 virus initially caused death in a small amount, but in the next six months turned into highly infectious, with a mortality rate approaching 90%. Level of prevention against epidemics depopulasi produce 17 million poultry with the cost of almost U.S. $ 65 million. S elama th epidemic in Italy. 1999-2001, H7N1 virus, initially not very infectious, but time in 9 months bermutasi virus becomes highly contagious. Cause 13 million birds dead or destroyed.


No comments:
Post a Comment