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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이 논문의 연구 히스토리 (7)
2019
2012
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The study was conducted to evaluate the production and the performance test of egg-type commercial Korean Native Chickens. A total of 360 female layers were produced from CY×C (A), CL×C (B), CG×C (C) and CW× C(D) crossbreds kept at National Institute of Animal Science, Korea, and breed during 20～64 weeks to investigate the productivity and the performance. Layers were divided into 4 crossbreds (6 replications/crossbred, 15 heads/replication). Age and egg weight at first egg was no significantly different among crossbreds. Body weight (BW) at first egg of D crossbred was significantly lower compared to that of other crossbreds (P<0.05). Weekly BW of B crossbred was the highest at 20, 30 and 40 weeks of age, but BW of D crossbred was the lowest among crossbreds. Feed intake (FI) of B crossbred was significantly higher compared to the other crossbreds at 20~24, 32～44 and 52～60 weeks of age. FI of D crossbred was significantly lower compared to other crossbreds after the age of 44 weeks (P<0.05). Average egg weight of B crossbred was significantly higher than the other crossbreds at the age of 24~60 weeks (P<0.05). Egg production ratio (%) of C crossbred was significantly higher compared to the other crossbreds for whole test periods (P<0.05). Hen-housed egg production number at 64 weeks of age for A, B, C and D crossbreds resulted in 241.4, 235.6, 232.3 and 227.0, respectively. Feed conversion ratio of A and C crossbreds was lower compared to the other crossbreds at the age of 20～24 weeks and C crossbred was the lowest among the crossbreds at the age of 60~64 weeks. These results provide the basic data which will be helpful to develope the new strains of commercial Korean Native Chickens.
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참고문헌 (20)
참고문헌 신청
1. [학술지(정기간행물)] - Abplanalp HH / 1984 / A syudy of heterosis and recombination loss in cross of inbred Leghorn lines derived from a common base population / Poultry Sci 53 : 234 ~ 239
2. [학술지(정기간행물)] - Cheong IC / 1985 / Estimation of heterosis from strain crosses of single comb White Leghorns for certain economic traits / Kor J Anim Sci 27 (3) : 135 ~ 142
3. [학술지(정기간행물)] - Duncan DB / 1955 / Multiple range and multiple F tests / Biometrics 11 : 1 ~ 42
4. [학술지(정기간행물)] - Ohh BK / 1979 / A study on crossbreeding for egg production / Kor J Anim Sci 21 (4) : 389 ~ 393
5. [학술지(정기간행물)] - Ohh BK / 1980 / Study on heterosis in layer chicken / Korean J Poult Sci 70 (21) : 28 ~ 36
2. [학술지(정기간행물)] - Cheong IC / 1985 / Estimation of heterosis from strain crosses of single comb White Leghorns for certain economic traits / Kor J Anim Sci 27 (3) : 135 ~ 142
3. [학술지(정기간행물)] - Duncan DB / 1955 / Multiple range and multiple F tests / Biometrics 11 : 1 ~ 42
4. [학술지(정기간행물)] - Ohh BK / 1979 / A study on crossbreeding for egg production / Kor J Anim Sci 21 (4) : 389 ~ 393
5. [학술지(정기간행물)] - Ohh BK / 1980 / Study on heterosis in layer chicken / Korean J Poult Sci 70 (21) : 28 ~ 36
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UCI(KEPA) : I410-ECN-0101-2013-527-001397709