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231225s2018 xx |||||o 00| ||eng c |
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|a 10.5713/ajas.17.0069
|2 doi
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|a pubmed24n0916.xml
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|a (DE-627)NLM274962055
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|a (NLM)28823129
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Kim, Do Hyung
|e verfasserin
|4 aut
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| 245 |
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|a Effect of corn grain particle size on ruminal fermentation and blood metabolites of Holstein steers fed total mixed ration
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a OBJECTIVE: This study was conducted to investigate the effect of corn grain particle size on ruminant fermentation and blood metabolites in Holstein steers fed total mixed ration (TMR) as a basal diet to explain fundamental data of corn grain for cattle in Korea
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|a METHODS: Four ruminally cannulated Holstein steers (body weight 592±29.9 kg) fed TMR as a basal diet were housed individually in an auto temperature and humidity modulated chamber (24°C and 60% for 22 h/d). Treatments in a 4×4 Latin square design were TMR only (control), TMR with whole corn grain (WC), coarsely ground corn grain (CC), and finely ground corn grain (FC), respectively. The corn feeds substituted for 20% energy intake of TMR intake. To measure the ruminal pH, ammonia N, and volatile fatty acids (VFA), ruminal digesta was sampled through ruminal cannula at 1 h intervals after the morning feeding to determine ruminal fermentation characteristics. Blood was sampled via the jugular vein after the ruminal digesta sampling
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|a RESULTS: There was no difference in dry matter (DM) intake between different corn particle size because the DM intake was restricted to 1.66% of body weight. Different corn particle size did not change mean ammonia N and total VFA concentrations whereas lower (p<0.05) ruminal pH and a ratio of acetate to propionate, and higher (p<0.05) propionate concentration were noted when the steers consumed CC compared with WC and FC. Concentration of blood metabolites were not affected by different particle size of corn grain except for blood triglyceride concentration, which was significantly (p<0.05) increased by FC
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|a CONCLUSION: Results indicate that feeding CC may increase feed digestion in the rumen, whereas the FC group seemed to obtain inadequate corn retention time for microbial degradation in the rumen
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|a Journal Article
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|a Corn Grain
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| 650 |
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|a Holstein Steer
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| 650 |
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|a Particle Size
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| 650 |
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4 |
|a Ruminal Fermentation
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| 700 |
1 |
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|a Choi, Seong Ho
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Park, Sung Kwon
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Sung Sill
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Choi, Chang Weon
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Asian-Australasian journal of animal sciences
|d 1998
|g 31(2018), 1 vom: 20. Jan., Seite 80-85
|w (DE-627)NLM098195883
|x 1011-2367
|7 nnns
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| 773 |
1 |
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|g volume:31
|g year:2018
|g number:1
|g day:20
|g month:01
|g pages:80-85
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|u http://dx.doi.org/10.5713/ajas.17.0069
|3 Volltext
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