Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Effects of Dietary Supplementation with Ptecticus tenebrifer Powder on the Mortality Rate and Meat Quality of Korean Native Chickens

동애등에 분말 사료 급여가 토종닭의 폐사율과 육질에 미치는 영향

  • Park, Kwan-Ho (National Institute of Agricultural Science, Rural Development Administration) ;
  • Kim, Yong-Soon (National Institute of Agricultural Science, Rural Development Administration) ;
  • Choi, In-Hag (Department of Companion Animal & Animal Resources Science, Joongbu University) ;
  • Chung, Tae-Ho (Department of Companion Animal & Animal Resources Science, Joongbu University)
  • 박관호 (농촌진흥청 국립농업과학원) ;
  • 김용순 (농촌진흥청 국립농업과학원) ;
  • 최인학 (중부대학교 애완동물자원학전공) ;
  • 정태호 (중부대학교 애완동물자원학전공)
  • Received : 2022.04.16
  • Accepted : 2022.05.19
  • Published : 2022.05.31
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Abstract

This study was conducted to investigate the effects of dietary supplementation with Ptecticus tenebrifer powder on the mortality and meat quality of Korean native chickens. A total of 40,000 Korean native chickens (1 day old, Hanhyup No. 3) were allocated to two dietary treatments (20,000 chickens in each treatment), which were fed the following: basal diet (control) and 1% of Ptecticus tenebrifer powder (T1). Feeding trials were conducted for 12 weeks, and mortality was measured weekly. At the end of the experimental period, 16 chickens (8 chickens in each treatment) were selected and slaughtered to obtain breast meat. The items used to analyze meat quality were pH, TBARS, and meat color. The weekly mortality rate was decreased by around 2 to 3 times in the T1 treatment group compared with the control group. The pH, TBARS, L*, and b* values of Korean native chicken breast were not affected by Ptecticus tenebrifer powder supplementation (p>0.05); however, a* values showed statistical significance (p<0.05). In conclusion, the addition of 1% Ptecticus tenebrifer powder reduced mortality rate and demonstrated its potential in livestock environmental management.

Keywords

Acknowledgement

본 연구는 농촌진흥청 연구사업(과제명: 사료용 동애등에 대량생산 증진기술 현장접목, 과제번호: PJ0155692021)의 지원에 이루어진 것입니다.

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