지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2009.1
- 수록면
- 537 - 542 (6page)
이용수
초록· 키워드
오류제보하기
For a period of over 6 years, more than 160,000 milk samples were collected and analyzed to determine the influence of different seasonal temperatures and geographic regional location on milk composition in South Korea. Fat, protein, lactose, non fat milk solids(NFMS) and total solids(TS) contents were significantly higher among dairy cows milked in winter season than other seasons(p<0.05). In contrast, freezing point(FP), milk urea nitrogen(MUN) and somatic cell count(SCC) were significantly higher in summer season than other seasons (p<0.05). The average SCC in the autumn season was 358×103/ml, which was lower than any other seasons(p<0.05). These results may be due to the changes in temperature during different seasons. Meanwhile, milk produced by dairy cows in central region had higher fat, protein, lactose, NFMS, TS and MUN and had lower SCC compared to other regions(p<0.05). Fat, TS, FP, MUN and citric acid in northeast region were lower than other regions(p<0.05). The SCC was significantly higher in southeast region than those of other regions(p<0.05). As a result, it might be possible that the differences in feeding management in each different region may affect the milk composition. In conclusion, present results indicated that milk composition is clearly influenced by both season and regional location. Therefore, based on these results, development of different feeding systems, according to season and region is needed to produce high quality and satiable milk production.
목차
등록된 정보가 없습니다.
참고문헌 (23)
참고문헌 신청
Aganga, A. H / 1990 / Response to water deprivation by yankasa ewes under different physiological states / Small Rumin. Res 3 : 109 ~ 115
Allore, H. G / 1997 / Effects of season, hard size, and geographic region on the composition and quality of milk in the Northeast / J. Dairy Sci 80 : 3040 ~ 3049
Araki, C. T / 1984 / Effect of lactation on diurnal temperature patterns dairy cattle in hot environments / J. Dairy. Sci 67 : 1725 ~ 1760
Bandaranayaka1, D. D / / Changes in the composition of milk and rumen contents in cows exposed to a high ambient temperature with controlled feeding / Trop. Anim. Hlth. Prod
Berman, A / 1985 / Upper critical temper- atures and forced ventilation effects for high-yielding dairy cows in a tropical climate / J. Dairy Sci 68 : 488 ~ 495
Allore, H. G / 1997 / Effects of season, hard size, and geographic region on the composition and quality of milk in the Northeast / J. Dairy Sci 80 : 3040 ~ 3049
Araki, C. T / 1984 / Effect of lactation on diurnal temperature patterns dairy cattle in hot environments / J. Dairy. Sci 67 : 1725 ~ 1760
Bandaranayaka1, D. D / / Changes in the composition of milk and rumen contents in cows exposed to a high ambient temperature with controlled feeding / Trop. Anim. Hlth. Prod
Berman, A / 1985 / Upper critical temper- atures and forced ventilation effects for high-yielding dairy cows in a tropical climate / J. Dairy Sci 68 : 488 ~ 495
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