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231224s2015 xx |||||o 00| ||eng c |
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|a 10.5713/ajas.15.0130
|2 doi
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|a pubmed24n0849.xml
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|a (DE-627)NLM254740111
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|a (NLM)26580282
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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 |
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|a Fiorentini, Giovani
|e verfasserin
|4 aut
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|a Effect of Lipid Sources with Different Fatty Acid Profiles on Intake, Nutrient Digestion and Ruminal Fermentation of Feedlot Nellore Steers
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|c 2015
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 20.11.2015
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|a Date Revised 11.03.2022
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a The present study was conducted to determine the effect of lipid sources with different fatty acid profiles on nutrient digestion and ruminal fermentation. Ten rumen and duodenal fistulated Nellore steers (268 body weight±27 kg) were distributed in a duplicated 5×5 Latin square. Dietary treatments were as follows: without fat (WF), palm oil (PO), linseed oil (LO), protected fat (PF; Lactoplus), and whole soybeans (WS). The roughage feed was corn silage (600 g/kg on a dry matter [DM] basis) plus concentrate (400 g/kg on a DM basis). The higher intake of DM and organic matter (OM) (p<0.001) was found in animals on the diet with PF and WF (around 4.38 and 4.20 kg/d, respectively). Treatments with PO and LO decreased by around 10% the total digestibility of DM and OM (p<0.05). The addition of LO decreased by around 22.3% the neutral detergent fiber digestibility (p = 0.047) compared with other diets. The higher microbial protein synthesis was found in animals on the diet with LO and WS (33 g N/kg OM apparently digested in the rumen; p = 0.040). The highest C18:0 and linolenic acid intakes occurred in animals fed LO (p<0.001), and the highest intake of oleic (p = 0.002) and C16 acids (p = 0.022) occurred with the diets with LO and PF. Diet with PF decreased biohydrogenation extent (p = 0.05) of C18:1 n9,c, C18:2 n6,c, and total unsaturated fatty acids (UFA; around 20%, 7%, and 13%, respectively). The diet with PF and WF increased the concentration of NH3-N (p<0.001); however, the diet did not change volatile fatty acids (p>0.05), such as the molar percentage of acetate, propionate, butyrate and the acetate:propionate ratio. Treatments PO, LO and with WS decreased by around 50% the concentration of protozoa (p<0.001). Diets with some type of protection (PF and WS) decreased the effects of lipid on ruminal fermentation and presented similar outflow of benefit UFA as LO
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|a Journal Article
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|a Beef Cattle
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|a Biohydrogenation
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|a Lipids
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|a Microbial Protein Synthesis
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| 650 |
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|a Protozoa
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| 700 |
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|a Carvalho, Isabela P C
|e verfasserin
|4 aut
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| 700 |
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|a Messana, Juliana D
|e verfasserin
|4 aut
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| 700 |
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|a Canesin, Roberta C
|e verfasserin
|4 aut
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| 700 |
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|a Castagnino, Pablo S
|e verfasserin
|4 aut
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| 700 |
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|a Lage, Josiane F
|e verfasserin
|4 aut
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| 700 |
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|a Arcuri, Pedro B
|e verfasserin
|4 aut
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| 700 |
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|a Berchielli, Telma T
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Asian-Australasian journal of animal sciences
|d 1998
|g 28(2015), 11 vom: 31. Nov., Seite 1583-91
|w (DE-627)NLM098195883
|x 1011-2367
|7 nnns
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| 773 |
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|g volume:28
|g year:2015
|g number:11
|g day:31
|g month:11
|g pages:1583-91
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|u http://dx.doi.org/10.5713/ajas.15.0130
|3 Volltext
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