Chicken Infectious Anemia Virus and Other Circovirus Infections: Introduction

Karel A. Schat, Leslie Woods

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations


Chicken infectious anemia (CIA) is characterized by aplastic anemia and generalized lymphoid atrophy with concomitant immunosuppression and is frequently complicated by secondary viral, bacterial, or fungal infections. Morbidity and mortality are considerably enhanced if chicks are dually infected with CIA virus (CIAV) and Marek's disease virus (MDV), reticuloendotheliosis virus (REV), or infectious bursal disease virus (IBDV), probably due to virus-induced immunosuppression. Attention should be paid to management and hygiene procedures to prevent immunosuppression by environmental factors or other infectious diseases and to prevent early exposure to CIAV. Recognition of circoviral infections in production flock species such as geese, ducks, pheasants, and pigeons has increased awareness of the disease and the potential impact of circoviruses on commercial poultry operations. Current disease management requires extrapolation of biological understanding of viral disease from the well-researched companion bird circovirus, beak and feather disease virus (BFDV), and the clinical disease it produces.

Original languageEnglish (US)
Title of host publicationDiseases of Poultry
Subtitle of host publicationThirteenth Edition
PublisherWiley Blackwell
Number of pages42
ISBN (Electronic)9781119421481
ISBN (Print)9780470958995
StatePublished - May 1 2017


  • BFDV
  • Chicken infectious anemia virus
  • Circoviral infections
  • Commercial flocks
  • Commercial poultry operations
  • Disease management
  • Virus-induced immunosuppression

ASJC Scopus subject areas

  • veterinary(all)


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