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Investigation of chicken infectious anemia virus infection by PCR and ELISA in chicken flocks
(SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2008) Hadimli, H. Hueseyin; Erganis, Osman; Gueler, Leyla; Ucan, U. Sait
Presence of the chicken infectious anemia virus (CIAV) infection in chicken flocks in some provinces of Turkey was investigated by ELISA and PCR in this study. From 38 flocks ( 16 commercial layer, 10 commercial broilers, 4 breeder layers and 8 breeder broilers), 922 serum samples were tested for CIAV-specific antibodies using a commercially available competitive ELISA. CIAV antibodies were positive in 609 (66.0%) sera from 34 flocks (89.5%). A total of 95 thymus samples from 25 flocks, 57 samples from 15 commercial layers, and 38 samples from 10 commercial broiler flocks were tested by PCR. In 53 (55.8%) thymus samples from 20 flocks (80.0%) CIAV-specific DNA was detected. In commercial layers antibodies were detected in 15 (93.7%) of 16 flocks and viral DNA was detected in 13 (86.6%) of 15 flocks. In commercial broilers both CIAV antibodies and DNA were detected in 7 (70%) of 10 flocks tested. While seropositivity was detected in 12 (100%) of breeding broilers ( 8) and layer ( 4) flocks tested, no PCR was performed in these flocks. The study showed high prevalence of subclinical CIAV infection in the investigated chicken flocks.