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.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.1
- 수록면
- 1 - 5 (5page)
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초록· 키워드
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The production performance of multiparous lactating Sahiwal cows (n = 24) was evaluated according to bothmilking frequency and method. Selected animals were randomly divided into four groups containing six animalseach under a completely randomized design. Cows in groups A & B were milked by the hand milking methodthree times per day, respectively. Similarly, cows in groups C & D were milked by the machine milking method twoand three times per day, respectively. All animals were maintained under uniform feeding and managementconditions. Dry matter intake was high in animal groups milked three times per day, and it remained unchangedbetween the hand and machine milking methods. Milk yield was higher (P < 0.05) in cows milked three timescompared to those milked twice per day, and it did not differ between hand and machine milking methods. Milkfat percentage was higher (P < 0.05) in cows milked twice per day compared to those milked three times usingboth machine and hand milking methods. The percentage of total solids showed a similar pattern as the fatpercentage. However, percentages of protein, lactose, and non-fat solids in milk were not significantly different(P > 0.05) among the treatment groups. Collectively, the results show that milking three times per day instead oftwice at 8-hour intervals can enhance milk yield in Sahiwal cows using both hand and machine milking methods.
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참고문헌 (26)
참고문헌 신청
AOAC / 2000 / Official Methods of Analysis / Association of Analytical Chemists
Bar-Pelled U / 1995 / Relationship between frequent milking or suckling in early lactation and milk production of high producing dairy cows / J Dairy Sci 78 (12) : 2726 ~ 27
Barnes MA / 1990 / Effects of milking frequency and selection for milk yield on productive efficiency of Holstein Cows / J Dairy Sci 73 (6) : 1603 ~ 1611
Dado RG / 1994 / Variation in relationships among feeding, chewing and drinking variables for lactating dairy cows / J Dairy Sci 77 : 132 ~
Erdman RA / 1995 / Fixed yield responses to increased milking frequency / J Dairy Sci 78 (5) : 1199 ~ 1203
Bar-Pelled U / 1995 / Relationship between frequent milking or suckling in early lactation and milk production of high producing dairy cows / J Dairy Sci 78 (12) : 2726 ~ 27
Barnes MA / 1990 / Effects of milking frequency and selection for milk yield on productive efficiency of Holstein Cows / J Dairy Sci 73 (6) : 1603 ~ 1611
Dado RG / 1994 / Variation in relationships among feeding, chewing and drinking variables for lactating dairy cows / J Dairy Sci 77 : 132 ~
Erdman RA / 1995 / Fixed yield responses to increased milking frequency / J Dairy Sci 78 (5) : 1199 ~ 1203
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