ISOLATION OF A MORE AGGRESSIVE GVI-1 GENOTYPE STRAIN HX OF THE AVIAN INFECTIOUS BRONCHITIS VIRUS

ABSTRACT: The avian infectious bronchitis virus (IBV) poses a significant economic threat to the global poultry industry.Although in recent years, the GVI-1 lineage of IBV has proliferated throughout China, there is still a lack of comprehensive studies regarding the pathogenicity of this lineage, particularly with respect Design Wall Fabric to inf

Although indirect selection through relatives (kin selection) can explain the evolution of effectively sterile offspring that act as helpers at the nest (eusociality) in the ants, bees, and Bracelet stinging wasps (aculeate Hymenoptera), the genetic, ecological, and life history conditions that favor transitions to eusociality are poorly understood