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|a 10.5713/ajas.14.0934
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|a eng
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| 100 |
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|a Zou, Yang
|e verfasserin
|4 aut
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| 245 |
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|a Responses to Starch Infusion on Milk Synthesis in Low Yield Lactating Dairy Cows
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|c 2015
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|a Text
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|a Date Completed 02.09.2015
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|a Date Revised 30.09.2020
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a The effect of starch infusion on production, metabolic parameters and relative mRNA abundance was investigated in low yield lactating cows from 86 days in milk. Six Holstein cows fitted with permanent ruminal cannulas were arranged into one of two complete 3×3 Latin squares and infused with a starch solution containing 800 grams starch for 16 days. The three treatments were: i) ruminal and abomasal infusion with water (Control); ii) ruminal infusion with cornstarch solution and abomasal infusion with water (Rumen); iii) ruminal infusion with water and abomasal infusion with cornstarch solution (Abomasum). There were no significant differences (p>0.05) among the three treatments with low yield lactating cows in feed and energy intake, milk yield and composition, plasma metabolism, or even on gene expression. However, cows receiving starch through rumen performed better than directly through the abomasum during the glucose tolerance test procedure with a higher area under the curve (AUC; p = 0.08) and shorter half-time (t(1/2); p = 0.11) of plasma insulin, therefore, it increased glucose disposal, which stated a lipid anabolism other than mobilization after energy supplementation. In conclusion, extra starch infusion at concentration of 800 g/d did not enhance energy supplies to the mammary gland and improve the lactating performance in low yield lactating cows
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|a Journal Article
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|a Dairy Cows
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|a Glucose Tolerance Test
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|a Lactation Performance
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|a Metabolic Parameter
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|a Starch Infusion
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|a mRNA Abundance
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|a Yang, Zhanshan
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|a Guo, Yongqing
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|a Li, Shengli
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|a Cao, Zhijun
|e verfasserin
|4 aut
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|i Enthalten in
|t Asian-Australasian journal of animal sciences
|d 1998
|g 28(2015), 9 vom: 20. Sept., Seite 1266-73
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