• Korean Journal of Veterinary Service
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• v.34 no.2
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• pp.149-152
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• 2011

From January to November in 2010, a result of chicken infectious anemia virus (CIAV) antibodies ELISA test about 500 number in 25 broiler breeder farms and 500 number in a broiler chickens slaughterhouse from 25 farms in Iksan area, Jeonbuk. The result of 100% (25/25) positive rate in broiler breeder farms group and 98.6% (493/500) positive rate from each individual. In each week-age group, 98.8% of 18~20 weeks and 98.3% of 21~24 weeks showed positive without any significant differences. In slaughterhouse case, broilers from the farms showed 36.0% (9/25) positive rate and each individual showed 20.4% (102/500) positive rate.

• Korean Journal of Poultry Science
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• v.38 no.3
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• pp.181-189
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• 2011

A 5-month (May to November in 2009) monitoring program for five viral pathogens in litter, such as avian influenza virus A (AIV), infectious bronchitis virus (IBV), infectious bursal disease virus (IBDV), fowl adenovirus (FAdV), and chicken infectious anemia virus (CIAV) was conducted in 62 flocks at 31 broiler farms (two flocks in each farm) in Korea in 2009. Viral pathogens were examined twice (before and at the end of the rearing period) at 31 broiler farms, and included fresh litter (n = 16) and recycled litter (n = 15) farms. Thirty-seven viruses (14 IBVs, 2 IBDVs, 9 FAdVs, and 12 CIAVs) were isolated from 75% (12/16) and 73% (11/15) of fresh litter and reused litter farms during the period, respectively, indicating no difference in viral contamination rate between farms using new and reused litter. Of these isolates, three (two CIAVs and one IBDV) were isolated from recycled litter samples collected before the rearing period at three broiler farms, whereas the others (n=34) were isolated from fresh and recycled litter samples collected at the end of the rearing period. When the performances, involving viability, body weight, and feed conversion ratio, were compared, no significant differences were found between farms using fresh and recycled litter during the period.

• Korean Journal of Veterinary Service
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• v.30 no.3
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• pp.321-327
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• 2007

This is a case report on the occurrence of inclusion body hepatitis (IBH) and infectious bursal disease (IBD) among the broilers in a local farm located in Wanju, Jeollabukdo. Mostly IBH could be caused by adenovirus if the bird's immune system was first weakened by exposure to immunosupressive agents such as infectious bursal disease virus (IBDV) and chicken anemia virus (CIAV). However IBH primary occurred before IBD in this case. And recent work has demonstrated that virulent adenovirus alone can produce the disease.