A survey on diseases to improve productivity in 1-day-old chicks of broiler farms

농가 생산성 증대를 위한 육계 초생추 질병 실태조사

  • Koh, Won-Seuk (Jangsu-Branch, Jeonbuk Development & Livestock Research Institute) ;
  • Um, Sung-Shim (Jangsu-Branch, Jeonbuk Development & Livestock Research Institute) ;
  • Cho, Bum-Jun (Jangsu-Branch, Jeonbuk Development & Livestock Research Institute) ;
  • Kim, A-Rum (Jangsu-Branch, Jeonbuk Development & Livestock Research Institute) ;
  • Lee, Byong-Jong (Jangsu-Branch, Jeonbuk Development & Livestock Research Institute) ;
  • Lee, Seong-Hyo (Jangsu-Branch, Jeonbuk Development & Livestock Research Institute) ;
  • Bae, Joung-Jun (Jangsu-Branch, Jeonbuk Development & Livestock Research Institute)
  • 고원석 (전라북도 축산위생연구소 장수지소) ;
  • 엄성심 (전라북도 축산위생연구소 장수지소) ;
  • 조범준 (전라북도 축산위생연구소 장수지소) ;
  • ;
  • 이병종 (전라북도 축산위생연구소 장수지소) ;
  • 이성효 (전라북도 축산위생연구소 장수지소) ;
  • 배정준 (전라북도 축산위생연구소 장수지소)
  • Published : 2007.09.30

Abstract

Samples collected from 15 broiler farms(47 flocks, 920 1-day-old chicks) during March to December, 2006, To survey serum antibody titers of NDV, IBDV and MG/MS, the antibodies of ND viruses were detected by HI test and ELISA, against antibodies of IBD viruses and MG/MS by ELISA. The antibody titers of NDV showed 6.4, HI and 6,968, ELISA, respectively. The rate to below protective antibody levels(${\ge}5$, HI and ${\ge}1,000$, ELISA) were 8%, HI, 5%, ELISA, specially, Baeksemi were 22%, HI, 14%, ELISA. The rate of positive by ELISA showed 99%(914/920). The ELISA titer of IBDV showed mean titer 3,890. The rate of positive were 93% (857/920), specially, Baeksemi were 84%. The ELISA titers of MG/MS showed mean titer 5,666. The rate of positive were 78% (715/920) and 100%, Abor-Acre, 97%, Baeksemi, respectively. The antibodies not detected from 18%, ELISA titers was varied from 500 to 20,000. At antimicrobial susceptibility of E coli, Staphylococcus spp and Salmonella spp isolated from 1-day-old chicks, E coli were susceptible to AmC, AM, NOR, SXT, ENR, CIP, Staphylococcus spp were susceptible to AmC, SXT, AM, ENR and Salmonella spp were susceptible to AM, AmC, SXT and P.

Keywords

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