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사료 내 생약물질의 첨가 급여가 산란계의 생산성, 혈액성상 및 면역반응에 미치는 영향

Dietary Effects of Herbal Mixture on the Laying Performance, Blood Parameters and Immune Response in Laying Hens

  • 김찬호 (농촌진흥청 국립축산과학원 가금과) ;
  • 강환구 (농촌진흥청 국립축산과학원 가금과) ;
  • 황보종 (농촌진흥청 국립축산과학원 가금과) ;
  • 김지혁 (농촌진흥청 국립축산과학원 가금과)
  • Kim, Chan Ho (Poultry Science Division, National Institute of Animal Science, RDA) ;
  • Kang, Hwan Ku (Poultry Science Division, National Institute of Animal Science, RDA) ;
  • Hwangbo, Jong (Poultry Science Division, National Institute of Animal Science, RDA) ;
  • Kim, Ji-Hyuk (Poultry Science Division, National Institute of Animal Science, RDA)
  • 투고 : 2015.02.12
  • 심사 : 2015.03.16
  • 발행 : 2015.03.31

초록

본 실험은 구기자와 감초 복합제를 수준별 급여가 산란계의 생산성, 혈액성상 및 면역 성상에 미치는 영향을 조사하기 위해 실시하였다. 사양시험은 60주령의 산란계(Hy- Line Brown) 800수를 선별하여 A형 2단 4열 케이지에 대조구 포함, 총 4처리구(HM 0.0, 0.5, 1.0 및 1.5% 첨가구)로 구성하여 처리당 4반복, 반복당 50수씩(2수 수용 케이지 25개) 난괴법으로 임의 배치하였다. 시험 기간 동안 물과 사료는 자유 섭취하게 하였으며, 일반적인 점등관리(자연일조+조명=16hr)를 실시하였다. 산란율(hen-day egg production)은 7주 평균에서 HM 0.5%, 1.5%을 첨가한 처리구에서 대조구와 비교하여 유의적으로(P<0.05) 높았으며, HM을 첨가한 처리구 간에는 유의적인 차이는 나타나지 않았다. 사료 요구율은 HM 0.5% 첨가구에서 유의적으로(P<0.05) 가장 낮았다. 난황색은 HM 첨가구들이 대조구와 비교하여 유의적으로(P<0.05) 높았다. 반면, 혈액 성상 중 leukocytes 함량들은 모든 항목에서 유의적인 차이가 나타나지 않았으며, 혈장 IgM 함량은 HM 첨가구들이 대조구와 비교하여 유의적으로(P<0.05) 높았다. 결론적으로 HM은 산란계의 산란율 개선에 효과적이었으며, 면역성상중 IgM을 향상시키는 효과를 나타내었다.

The objective of this experiment was to investigate the effect of dietary supplementation of herbal medication (HM) on laying performance, blood parameter, and immune response in laying hens. A total of 800 Hy-Line Brown laying hens of 60 weeks of age were randomly allotted to one of four dietary treatments with four replicates per treatment. Three additional diets were prepared by adding 0.5, 1.0 or 1.5 % of HM to the basal diet. Feeding trial lasted 7 weeks under 16L:8D lighting regimen. The diet and water were available ad libitum. Hen-day egg production in groups fed diets with 0.5% and 1.5% HM was significantly (P<0.05) higher than that of control. Feed conversion ratio in group fed diet with 0.5% HM showed the lowest value (P<0.05). Egg weight, feed intake, broken and shell-less egg production were not affected HM supplementation levels. Egg yolk color was significantly greater in all HM supplemented groups than basal treatment. However, eggshell strength, eggshell thickness, eggshell color, and Haugh units were not affected by HM supplementation level. There were no differences in leukocyte counts among the treatments. Plamsa IgM concentration was (P<0.05) higher in all HM treated groups. In conclusion, dietary HM improved egg production, and IgM of laying hens.

키워드

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피인용 문헌

  1. Effects of By-Products of Herbal Medicine on Performance, Intestinal Microbial Population, Blood Biochemical Profiles and Immunological Parameters in Broiler Chicks vol.42, pp.4, 2015, https://doi.org/10.5536/KJPS.2015.42.4.307