유색과 백색품종 토종오리의 생산능력과 도체특성 평가
Assessment of Productive Performance and Carcass Characteristic of Colored and White Korean Native Ducks
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초록
본 연구는 유색과 백색품종 토종오리의 성별에 따른 생산능력과 도체특성을 평가하고자 실시하였다. 1일령 토종오리 총 480수를 2개 품종(유색과백색)×2개 성별(암컷과 수컷)로 총 4처리구의 4반복으로 반복 당 30수씩 평사에 나누어 8주간 사양실험을 진행하였다. 본 연구결과, 전체 사양실험기간에서 토종오리의 체중, 증체량 및 사료섭취량은 품종(유색과 백색) 간 차이는 없었으나 수컷이 암컷보다 유의적으로 높았다(p<0.05). 이와 유사하게,사료요구율은 유색품종과 백색품종의 차이가 없었으나 수컷이 암컷에 비해 유의적으로 개선됨을 확인하였다(p<0.05). 토종오리의 머리, 가슴육,다리육 및 간의 무게는 처리구간 통계적 차이를 나타내지 않았다. 도체중량은 처리구간 차이가 없었으나, 도체율은 백색품종이 유색품종과 비교해현저히 높았다(p<0.05). 또한 복강지방 무게는 수컷이 암컷에 비해 높았으며(p<0.05) 백색품종이 유색품종보다 높았다(p<0.05). 폐사율은 토종오리의 품종과 성별에 따른 유의적 차이가 없었다. 본 연구결과는 토종오리의 육성기 단계에서 사육성적에 대한 기초자료로 이용될 것으로 사료된다.
Abstract
This study aimed to assess the productive performance and carcass characteristics of Korean Native ducks (KND) based on genderin both white and colored breeds. A total of 480 one-day-old KND were allocated into four treatments: two breeds (colored and white)and two genders (female and male), with four replications for 8 weeks. Results showed no differences in body weight (BW), weightgain (WG), and feed intake (FI) between colored and white KND. However, male group exhibited significantly (p<0.05) higher valuesfor BW, WG, and FI compared to female group. Similarly, the feed conversion ratio (FCR) showed no difference between coloredand white breed groups, but male group had significantly (p<0.05) improved FCR compared to female group. The weights of the head,breast meat, leg meat, and liver did not differ among the treatments. Although carcass weight was similar among the treatments, thecarcass yield was significantly (p<0.05) higher in the white KND group than the colored KND group. Additionally, abdominal fat weightwas higher (p<0.05) in male group compared to female group. The white KND group had a higher (p<0.05) abdominal fat weight thanthe colored KND group. Mortality rates did not differ significantly based on breed and gender. This study provides fundamental dataon the productive performance of KND during the growing phase, valuable for further research in duck farming.
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