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허강녕(Kang-Nyeong Heo),추효준(Hyo-Jun Choo),강보석(Bo-Seok Kang),김상호(Sang-Ho Kim),김종대(Chong-Dae Kim),차재범(Jae-Beom Cha),홍의철(Eui-Chul Hong) 한국가금학회 2016 韓國家禽學會誌 Vol.43 No.1
본 연구는 다른 지역에서 수집된 백색 토종오리의 생산성과 균일도를 조사하기 위하여 수행하였다. 공시동물은 토종오리 종란에서 발생된 병아리 중 백색을 가진 개체를 선별하여 이용하였다. 시험설계는 오리들을 지역에 따른 두 그룹(J, H)으로 나누고, 암수를 분리하여 2×2의 복합요인으로 4처리구, 처리구당 4반복, 반복당 15수씩 총 240수를 완전임의 배치하여 생산성과 균일도를 조사하였다. 주령별 체중은 1주령을 제외하고 H군의 체중이 높게 나타났다(P<0.05). 암수 간 체중은 6주령부터 수컷의 체중이 암컷에 비해 높게 나타났다(P<0.05). 균일도는 J군이 1주령에 높게 나타났으며, 암수 비교에서는 6주령에 암컷의 균일도가 높게 나타났다(P<0.05). 증체량은 H군이 J군에 비해 높게 나타났으며(P<0.05), 6∼7주령에는 수컷의 증체량이 암컷에 비해 높게 나타났다(P<0.05). H군의 사료섭취량은 J군에 비해 높게 나타났다(P<0.05). 그러나 암수 간 비교에서는 사료섭취량의 차이를 보이지 않았다. 사료요구율의 경우, 4∼5주령, 7∼8주령 그리고 0∼8주령에 J군이 높게 나타났으며(P<0.05), 1∼2주령, 5∼6주령, 6∼7주령 및 0∼8주령에 수컷의 사료요구율이 암컷보다 높게 나타났다(P<0.05). 결론적으로, 백색 토종오리의 성적은 J군에 비해 H군이 우수한 경향이었다. 백색토종오리의 실용화를 위해서는 균일도와 생산성뿐만 아니라, 육질이나 유전적 특성에 대하여 추가적인 연구가 지속되어야 할 것이다. This study was carried out to evaluate performance and uniformity of White Korean native ducks collected from two areas in Korea. White ducklings were selected from all ducklings that were hatched from hatchery eggs of Korean native ducks. A total of two hundred forty white ducklings (1-d-old) were used in this work and were divided into 4 groups (4 replicates/group, 15 birds/replicate) with 2×2 factors (2 groups, J, H; genders, male and female). Weekly body weight of H groups was higher than that of J groups (P<0.05). Also, weekly body weight of male ducks was higher compared to that of female at 6∼8 wk old (P<0.05). Uniformity of J groups was higher than that of H groups at the age of 1 wks old (P<0.05), and that of female duck was higher than that of male at the age of 6 wks old (P<0.05). Body weight gain of H group was higher than that of J group (P<0.05), and that of male duck was higher compared to that of female at 6∼7 wks old (P<0.05). Feed intake of H group was higher compared to that of J group (P<0.05), but there was no significant difference between male and female on feed intake. On feed conversion ratio, J group was higher than H group at 4∼5 wks, 7∼8 wks and 0∼8 wks old (P<0.05), and feed conversion ratio of male duck was higher than that of female at 1∼2 wks, 5∼6 wks and 6∼7 wks old. Finally, these results was tended to show that performance of H groups was higher than that of J groups. Further researches need to carry out to commercial White Korean native ducks on performance and uniformity as well as meat quality and genetic characteristic.
토종 실용계 생산용 2원 교배종 종계의 산란 능력 검정
강보석(Bo-Seok Kang),추효준(Hyo-Jun Choo),김학규(Hak-Kyu Kim),김종대(Chong-Dae Kim),허강녕(Kang-Nyeong Heo),황보종(Jong Hwangbo),서옥석(Ok-Suk Suh),최희철(Hee-Cheol Choi),홍의철(Eui-Chul Hong) 韓國家禽學會 2012 韓國家禽學會誌 Vol.39 No.2
This study was carried out to investigate the performance of laying period of two-way crossbred of Korean native chickens. A total of four hundred eighty female 2-crossbred chicks that restored strains and were aboriginal at National Institute of Animal Science. Treatments were four crossbreds (4 replications/crossbred, 30 birds/replication) as A) C strain × S strain, B) C strain × H strain, C) R strain × S strain, and D) L strain × H strain, respectively. There were no significant difference on age, egg weight, and body weight at first egg among crossbreds (P>0.05). Body weight of D crossbred was lower compared to other crossbreds at the age of 24, 32, 40 and 60 week (P<0.05). Feed intake of A crossbred was highest among crossbreds (P<0.05). Weekly egg weight of A crossbred was the highest among crossbreds all laying period except 48~52 and 60~64 weeks. Hen-house egg production of A and B crossbreds was higher than that of C and D crossbreds (P<0.05). Hen-day egg production decreased after at the age of 36 weeks. Weekly egg production of A and B crossbreds was higher compared to C and D crossbreds (P<0.05). These results suggested the basic data on the record of laying period of 2- crossbreed Korean Native Chickens.
홍의철(Eui-Chul Hong),추효준(Hyo-Jun Choo),강보석(Bo-Seok Kang),김종대(Chong-Dae Kim),허강녕(Kang-Nyeong Heo),이명지(Myeong-Ji Lee),황보 종(Jong Hwangbo),서옥석(Ok-Suk Suh),최희철(Hee-Cheol Choi),김학규(Hak-Kyu Kim) 韓國家禽學會 2012 韓國家禽學會誌 Vol.39 No.2
This work was carried out to investigate the performance of growing period of large-type Korean native ducks. A total of four hundred twenty female and male duck chicks generated from A and B strains of ducks. Groups were four crossbreds (3 replications/crossbred, 35 birds/ replication) as 2×2 factors (2 strains, A and B; 2 genders, female and male). On the body weight, male of B strains was the highest among 4 treatments after the age of 4 week (P<0.05). Body weight of B strain was higher than that of A strain at all period (P<0.05). Body weight of male was higher compared to that of female after the age of 4 week (P<0.05). On the body weight gain, male of B strain was the highest and female of A strain was the lowest among 4 treatments at 0~8, 0~12, 0~16 and 0~20 weeks (P<0.05). Body weight gain of male was higher than that of female after the age of 4 week (P<0.05). On the feed intake, male of B strain was the highest among 4 treatments from the age of 0 week and to the age of 4, 12, 16 and 20 week (P<0.05). Feed intake of male was higher than that of female at 0~12, 0~16 and 0~20 weeks (P<0.05). On the feed conversion ratio, male of B strain was the highest among other treatments 0~4 weeks and female of A strain was at 0~8 and 0~12 weeks (P<0.05). Feed intake of female was higher compared to that of female at 0~8 weeks and male was high at 0~20 weeks. These results provided the basic data on the record of growing phase of large-type Korean native ducks.
토종닭과 실용계에서 TYR 및 MC1R 유전자의 변이 분석
허강녕(Kang Nyeong Heo),추효준(Hyo Jun Choo),서보영(Bo Young Seo),박미나(Mi Na Park),정기철(Kie Chul Jung),황보종(Jong Hwangbo),김학규(Hak Kyu Kim),홍의철(Eui Chul Hong),서옥석(Ok Suk Seo),강보석(Bo Seok Kang) 충남대학교 농업과학연구소 2011 농업과학연구 Vol.38 No.3
The commercial Korean native chickens (WR_CC) was developed by crossing a few native chicken breeds in Korea. In order to investigate the breed identification markers, SNPs from TYR gene and MC1R gene, which are associated with skin and feather colors respectively, were initially identified. In case of 3 identified SNPs in the TYR gene, yellow shank color was identified in Loss, Harvard, AA, RIR and CC, which have the fixed SNPs in most of the animals. On the other hand, SNP variations were observed in KNC_RB, C_B, WR_CC and HH_CC, which have the black, yellow and mixed color with black and yellow shank colors. Also, the investigation of 3 SNPs in the MC1R gene indicated that there were associations between shank and feather colors in RIR, SF, KNC_B, C_B and RIR. However, these results are not consistent among breeds. These SNP type inconsistencies within breeds suggested that the selection was performed based on the phenotypes, which is not include the genotype information. Thus, selection based on genetic information is required in the future.
황보종,홍의철,나승환,유동조,김학규,박미나,정기철,추효준,박희두,서옥석,HwangBo, Jong,Hong, Eui-Chul,Na, Seung-Hwan,Yu, Dong-Jo,Kim, Hak-Kyu,Park, Mi-Na,Jung, Kie-Chul,Choo, Hyo-Jun,Park, Hee-Du,Seo, Ok-Suk 한국가금학회 2009 韓國家禽學會誌 Vol.36 No.4
산란계의 분뇨 발생량과 이화학적 특성을 구명하기 위해 1일령 산란계 200수를 선별하여 공시하였으며, 200수 중 10수씩을 선별하여 분뇨의 채취에 이용하였다. 산란계의 일일수당 평균 분뇨 발생량은 $124.7{\pm}27.5\;g$/수/일이었으며, 계분의 수분함량은 $76.7{\pm}1.9%$, 건물 함량은 $29.1{\pm}3.9\;g$/수/일이었다. 산란계 계분(55주령)의 N, $P_2O_5$ 및 $K_2O$는 각각 $1.39{\pm}0.14$, $0.62{\pm}0.11$ 및 $0.68{\pm}0.09%$이었다. 계분뇨의 pH는 $8.19{\pm}0.71$이었으며, $BOD_5$ 농도는 $50,266{\pm}621\;mg/L$로 나타났다. $COD_{mn}$의 경우 $62,832{\pm}803\;mg/L$이었으며, SS는 $121,725{pm}16,165\;mg/L$를 나타냈다. 계분의 중금속 함량 중 Pb은 $0.008{\pm}0.0012\;ppm$으로 규제 농도인 150 ppm보다 크게 낮았고, Cd의 경우 검출되지 않았으며, As는 $0.008{\pm}0.0017\;ppm$으로 검출되었다. Hg은 $0.003{\pm}0.0013\;ppm$이었으나, 규제 농도인 2 ppm에 미치지 못하였다. 따라서, 본 시험의 결과로 국내 산란계의 평균 분뇨 발생량을 추정할 수 있었으며, 분뇨의 이화학적 성상을 조사함으로써 유기비료원로서 적절한 사용이 가능할 것으로 생각된다. This work was conducted to investigate the manure excreta and chemical compositions of layers. Two hundred 1-d-old ISA Brown layers were used in this work, and ten of 200 layers were selected for measurement of manure excreta with feeding phase. Means of the manure excreta per bird, the moisture content of poultry, and the dried manure were $124.7\;{\pm}\;27.5\;g$/bird/day, $76.9\;{\pm}\;1.9%$, and $29.1\;{\pm}\;3.9\;g$/bird/day, respectively. N, $P_2O_5$, and $K_2O$ of manure (55 weeks) were $1.39\;{\pm}\;0.139$, $0.62\;{\pm}\;0.11$ and $0.68\;{\pm}\;0.09%$, respectively. pH, $BOD_5$, $COD_{Mn}$, and suspended solids (SS) were $8.19\;{\pm}\;0.71$, $50,266\;{\pm}\;621\;mg/L$, $62,832\;{\pm}\;803\;mg/L$, and $121,725\;{\pm}\;16,165\;mg/L$, respectively. Heavy metal contents in the manure were $0.003\;{\pm}\;0.0013\;ppm$ for Hg and $0.008\;{\pm}\;0.0012\;ppm$ for Pb, the latter of which was highly low compared with the standard (150 ppm), but no Cd was detected. The results of this work show the average excretion amounts and chemical compositions of layer's manure, which is used as an organic fertilizer.