EFFECT OF PHYSICAL FORM OF TOTAL MIXED RATIONS ON SOME CHARACTERISTICS OF RUMEN FERMENTATION, MILK YIELD AND ITS COMPONENTS IN BROWN SWISS DAIRY COWS

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BASHTANI M.; FOROUGHI A.; HAJI SHAMSAIE M.; NAIMIPOUR H.; FARHANGHFAR H.

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Journal: ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ) Year:2011 | Volume:21 | Issue:2 Page(s): 91-103

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Title

EFFECT OF PHYSICAL FORM OF TOTAL MIXED RATIONS ON SOME CHARACTERISTICS OF RUMEN FERMENTATION, MILK YIELD AND ITS COMPONENTS IN BROWN SWISS DAIRY COWS

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Keywords

RATION PHYSICAL FORMQ3

MILK COMPONENTSQ2

CHEWING ACTIVITYQ2

DAIRY COWQ2

Abstract

An experiment was carried out to evaluate total mixed ration (TMR) physical form on some characteristics of rumen fermentation, milk yield and its components in lactating DAIRY COWs. Three Brown Swiss DAIRY COWs (average milk yield of 22 kg/d and 200±20 days in milk), rumen-fistulated, were used in a Latin Square Design 3×3 with three diets as treatments. The experimental diets were: 1. TMR with mash concentrate, 2. TMR with pellet concentrate and 3. TMR with cubic form. The experimental diets were fed twice daily. Each experimental period was lasted 21 days, that allocated first 14 days for adaptation and next 7 days sampling practices, respectively. Samples were taken from milk, feed intake, feed residual and rumen fluid. Total time of CHEWING ACTIVITY (including eating and rumination time) was measured for only one day during each period. The results indicated that consumption of DM, OM CP and NDF, milk yield, milk protein and lactose yield and percentage, rumen pH were not significantly affected by the experimental diets. However, the average time of eating and rumination feed intake over 24 hours as well as milk fat percentage and rumen N-NH3, were different significantly (P<0.05) among the experimental diets. It seems that a decrease in the feed particle size of cubic processing is accompanying with decreasing CHEWING ACTIVITY and milk fat percentage, but no adverse effect was revealed on dry matter intake, milk yield and its components.

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APA: Copy

BASHTANI, M., FOROUGHI, A., HAJI SHAMSAIE, M., NAIMIPOUR, H., & FARHANGHFAR, H.. (2011). EFFECT OF PHYSICAL FORM OF TOTAL MIXED RATIONS ON SOME CHARACTERISTICS OF RUMEN FERMENTATION, MILK YIELD AND ITS COMPONENTS IN BROWN SWISS DAIRY COWS. ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ), 21(2), 91-103. SID. https://sid.ir/paper/147604/en

Vancouver: Copy

BASHTANI M., FOROUGHI A., HAJI SHAMSAIE M., NAIMIPOUR H., FARHANGHFAR H.. EFFECT OF PHYSICAL FORM OF TOTAL MIXED RATIONS ON SOME CHARACTERISTICS OF RUMEN FERMENTATION, MILK YIELD AND ITS COMPONENTS IN BROWN SWISS DAIRY COWS. ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ)[Internet]. 2011;21(2):91-103. Available from: https://sid.ir/paper/147604/en

IEEE: Copy

M. BASHTANI, A. FOROUGHI, M. HAJI SHAMSAIE, H. NAIMIPOUR, and H. FARHANGHFAR, “EFFECT OF PHYSICAL FORM OF TOTAL MIXED RATIONS ON SOME CHARACTERISTICS OF RUMEN FERMENTATION, MILK YIELD AND ITS COMPONENTS IN BROWN SWISS DAIRY COWS,” ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ), vol. 21, no. 2, pp. 91–103, 2011, [Online]. Available: https://sid.ir/paper/147604/en

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