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231224s2014 xx |||||o 00| ||eng c |
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|a 10.5713/ajas.2013.13597
|2 doi
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|a eng
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| 100 |
1 |
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|a Na, Y J
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Effects of combination of rice straw with alfalfa pellet on milk productivity and chewing activity in lactating dairy cows
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a Date Completed 22.07.2014
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|a Date Revised 21.10.2021
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a An experiment was conducted to determine the effects of diets containing coarse-texture rice straw and small particle size alfalfa pellets as a part of total mixed ration (TMR) on milk productivity and chewing activity in lactating dairy cows. Sixteen multiparous Holstein dairy cows (670±21 kg body weight) in mid-lactation (194.1±13.6 days in milk) were randomly assigned to TMR containing 50% of timothy hay (TH) or TMR containing 20% of rice straw and 30% of alfalfa pellet mixture (RSAP). Geometric mean lengths of TH and RSAP were found to be 5.8 and 3.6, respectively. Dry matter intake, milk yield and milk composition were measured. Moreover, eating and ruminating times were recorded continuously using infrared digital camcorders. Milk yield and milk composition were not detected to have significant differences between TH and RSAP. Dry matter intake (DMI) did not significantly differ for cows fed with TH or RSAP. Although particle size of TH was larger than RSAP, eating, ruminating and total chewing time (min/d or min/kg of DMI) on TH and RSAP were similar. Taken together, our results suggest that using a proper amount of coarse-texture rice straw with high value nutritive alfalfa pellets may stimulate chewing activity in dairy cows without decreasing milk yield and composition even though the quantity of rice straw was 40% of TH
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|a Journal Article
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|a Alfalfa Pellet
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|a Chewing Activity
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|a Dairy Cattle
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|a Milk Productivity
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|a Rice Straw
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|a Timothy
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| 700 |
1 |
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|a Lee, I H
|e verfasserin
|4 aut
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| 700 |
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|a Park, S S
|e verfasserin
|4 aut
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|a Lee, S R
|e verfasserin
|4 aut
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|i Enthalten in
|t Asian-Australasian journal of animal sciences
|d 1998
|g 27(2014), 7 vom: 24. Juli, Seite 960-4
|w (DE-627)NLM098195883
|x 1011-2367
|7 nnns
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| 773 |
1 |
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|g volume:27
|g year:2014
|g number:7
|g day:24
|g month:07
|g pages:960-4
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|u http://dx.doi.org/10.5713/ajas.2013.13597
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