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지원사업
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.
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This study was conducted to investigate the effects of housing systems on the productivity and physiological response as stress indicators in White Leghorn chickens. The chickens subjected to the conventional cages had a significantly lower viability, hen-housed egg production, egg weight and body weight compared with those to the floor pens. However, the hens housed in the conventional cages had a shorter day of the first egg and a greater egg quality compared with those housed in the floor pens. In addition, this study was also investigated to identify biological markers for assessing the physiological response of chickens under stress conditions. As biological markers, the amount of telomeric DNA was analyzed by quantitative fluorescent in situ hybridization on the nuclei of cells. The DNA damage rate of lymphocytes was also quantified by the comet assay. The amount of telomeric DNA of the lymphocytes, kidney and spleen was significantly higher in the chickens under floor pens than those under conventional cages. The DNA damage also increased in chickens raised under conventional cages, as compared to the chickens under floor pens. As results, we conclude that the chickens housed in conventional cages have a greater stressful status than those housed in floor pens.
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참고문헌 (31)
참고문헌 신청
1. [학술지(정기간행물)] - Abrahamsson P / 1996 / Behaviour, health and integument of four hybrids of laying hens in modified and conventional cages / Br Poult Sci 37 : 521 ~ 540
2. [학술지(정기간행물)] - Albentosa MJ / 2004 / Effects of cage light and stocking on the frequency of comfort behaviors performed by laying hens in furnished cages / Anim Welfare 13 : 419 ~ 424
3. [학술지(정기간행물)] - Anderson KE / 1994 / Effects of cage versus floor rearing environments and cage floor mesh size on bone strength, fearfulness, and production of single comb White Leghorn hens / Poultry Sci 73 : 1233 ~ 1240
4. [학술지(정기간행물)] - Baxter MR / 1994 / The welfare problems of laying hens in battery cages / Vet Rec 134 : 614 ~ 619
5. [학술지(정기간행물)] - J. Beloor / 2010 / The Effect of Stocking Density on Stress Related Genes and Telomeric Length in Broiler Chickens / ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 23 (4) : 437 ~ 443
2. [학술지(정기간행물)] - Albentosa MJ / 2004 / Effects of cage light and stocking on the frequency of comfort behaviors performed by laying hens in furnished cages / Anim Welfare 13 : 419 ~ 424
3. [학술지(정기간행물)] - Anderson KE / 1994 / Effects of cage versus floor rearing environments and cage floor mesh size on bone strength, fearfulness, and production of single comb White Leghorn hens / Poultry Sci 73 : 1233 ~ 1240
4. [학술지(정기간행물)] - Baxter MR / 1994 / The welfare problems of laying hens in battery cages / Vet Rec 134 : 614 ~ 619
5. [학술지(정기간행물)] - J. Beloor / 2010 / The Effect of Stocking Density on Stress Related Genes and Telomeric Length in Broiler Chickens / ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 23 (4) : 437 ~ 443
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UCI(KEPA) : I410-ECN-0101-2013-527-001397678