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231224s2015 xx |||||o 00| ||eng c |
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|a 10.5713/ajas.14.0901
|2 doi
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|a pubmed24n0834.xml
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Sheng, Q K
|e verfasserin
|4 aut
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| 245 |
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|a Effects of L-tryptophan, Fructan, and Casein on Reducing Ammonia, Hydrogen Sulfide, and Skatole in Fermented Swine Manure
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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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|a Date Completed 24.06.2015
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|a Date Revised 11.11.2023
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a The effects of daily dietary Bacillus subtilis (Bs), and adding L-tryptophan, fructan, or casein to fecal fermentation broths were investigated as means to reduce the production of noxious gas during manure fermentation caused by ammonia, hydrogen sulfide (H2S), and 3-methylindole (skatole). Eighty swine (50.0±0.5 kg) were equally apportioned to an experimental group given Bs in daily feed, or a control group without Bs. After 6 weeks, fresh manure was collected from both groups for fermentation studies using a 3×3 orthogonal array, in which tryptophan, casein, and fructan were added at various concentrations. After fermentation, the ammonia, H2S, L-tryptophan, skatole, and microflora were measured. In both groups, L-tryptophan was the principle additive increasing skatole production, with significant correlation (r = 0.9992). L-tryptophan had no effect on the production of ammonia, H2S, or skatole in animals fed Bs. In both groups, fructan was the principle additive that reduced H2S production (r = 0.9981). Fructan and Bs significantly interacted in H2S production (p = 0.014). Casein was the principle additive affecting the concentration of ammonia, only in the control group. Casein and Bs significantly interacted in ammonia production (p = 0.039). The predominant bacteria were Bacillus spp. CWBI B1434 (26%) in the control group, and Streptococcus alactolyticus AF201899 (36%) in the experimental group. In summary, daily dietary Bs reduced ammonia production during fecal fermentation. Lessening L-tryptophan and increasing fructan in the fermentation broth reduced skatole and H2S
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|a Journal Article
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|a Ammonia
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|a B. subtilis
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|a Casein
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|a Fructan
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|a H2S
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| 650 |
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|a L-tryptophan
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| 650 |
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|a Skatole
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| 650 |
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|a Swine Manure
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| 700 |
1 |
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|a Yang, Z J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, H B
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, X L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, J F
|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), 8 vom: 24. Aug., Seite 1202-8
|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:8
|g day:24
|g month:08
|g pages:1202-8
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|u http://dx.doi.org/10.5713/ajas.14.0901
|3 Volltext
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