Effect of white-rot basidiomycetes-treated wheat straw on rumen fermentation in artificial rumen

Jalč, D.; Nerud, F.; Erbanová, Pavla; Siroka, P.

doi:10.1051/rnd:19960304

Cited by 18 publications

(5 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In the present in vivo and in vitro trials, the concentrations of valerate and isovalerate, both known to be related to protein composition and protein degradation, increased by inclusion of FUS in the high‐concentrate diet. Similar results were reported in vitro by Jalč et al. (1996), where the concentrations of both SCFA were higher with than without fungi contamination of substrate.…”

Section: Discussionsupporting

confidence: 89%

See 1 more Smart Citation

Effect of Fusarium toxin‐contaminated triticale and forage‐to‐concentrate ratio on fermentation and microbial protein synthesis in the rumen

Hildebrand

Boguhn

Dänicke

et al. 2011

Animal Physiology Nutrition

View full text Add to dashboard Cite

In this study, the effect of Fusarium toxin-contaminated triticale (FUS) at high (60%) and low (30%) concentrate proportion in ruminant rations on ruminal fermentation, microbial protein synthesis and digestibility was investigated, using in vivo and in vitro methods. Significant effects of the forage-to-concentrate ratio on ruminal degradation and digestibility of crude nutrients and detergent fibre fractions as well as on the pH value and the concentration of short chain fatty acids (SCFA) in rumen fluid were found. The production of SCFA was affected, and the degradation of crude fibre and neutral detergent fibre in the rumen was reduced by the inclusion of FUS at high concentrate proportion. The efficiency of microbial crude protein synthesis was higher in diets with 60% than in diets with 30% concentrates, but was impaired in the presence of FUS in vitro at the high concentrate level. Marginal effects of FUS on the amino acid pattern of microbial protein were detected. It was concluded that the use of FUS in high concentrate diets can influence ruminal fermentation and microbial protein synthesis at a dietary deoxynivalenol concentration below 5 mg/kg dry matter.

show abstract

Section: Discussionsupporting

confidence: 89%

“…Only a tendency for lower CP degradation and ammonia production was seen with FUS in vitro , especially at the high concentrate level. Lower concentrations of ammonia N in the effluents from a rumen simulation were reported by Jalč et al. (1996) as a result of fungal treatment of wheat straw.…”

Section: Discussionmentioning

confidence: 80%

Effect of Fusarium toxin‐contaminated triticale and forage‐to‐concentrate ratio on fermentation and microbial protein synthesis in the rumen

Hildebrand

Boguhn

Dänicke

et al. 2011

Animal Physiology Nutrition

View full text Add to dashboard Cite

show abstract

“…They observed that on the addition of the fungal culture at the rate of 5% of rumen liquor inoculum and on incubation in semi-defined medium, there was a 26% increase in filter paper digestion and a considerable increase in enzyme activity after fermentation for 30 h. The higher concentration of VFA is an indication of a better fermentation which might be due to an improved degradation of the lignocellulosic feed. Similarly, a significantly higher digestibility of feed has been observed in wheat straw pre-treated with white rot basidiomycetes [23].…”

Section: Resultsmentioning

confidence: 80%

Effect of anaerobic fungi on in vitro feed digestion by mixed rumen microflora of buffalo

et al. 2004

View full text Add to dashboard Cite

-Five strains of anaerobic fungi isolated from the faeces of wild (hog deer, Cervus porcinus; blackbuck, Antelope cervicapra; spotted deer, Axis axis; nilgai, Baselophus tragocamelus) and rumen liquor of domestic (sheep, Ovies aries) ruminants showing high fibrolytic enzyme producing ability were added to mixed rumen microflora of buffalo to study their effect on the digestibility of lignocellulosic feed (wheat straw and wheat bran in the ratio of 80:20), enzyme production and fermentation end products in in vitro conditions. Among the 5 isolates studied, FNG5 (isolated from nilgai) showed the highest stimulating effect on apparent digestibility (35.31 ± 1.61% vs. 28.61 ± 1.55%; P < 0.05), true digestibility (43.64 ± 1.73% vs. 35.37 ± 1.65%; P < 0. 01), neutral detergent fiber digestibility (29.30 ± 2.58% vs. 18.47 ± 2.12; P < 0.01) of feed 24 h after inoculation compared to the control group. The production of carboxymethyl cellulase, xylanase, acetyl esterase and β-glucosidase was significantly (P < 0.05) higher in the FNG5 inoculated incubation medium. There was no improvement in the digestibility and enzyme production on the addition of the other 4 isolates. Total volatile fatty acid levels as well as the concentration of acetate, propionate, isobutyrate and valerate were significantly higher in the FNG5 added group as compared to the control group. The fungal isolate FNG5 from nilgai, a wild ruminant, was found to be superior to the other isolates tested and appears to have a potential to be used as a feed additive for improving fiber degradation in domestic ruminants. rumen fungus / digestion / wild animals / enzyme / buffalo / rumen microflora / Piromyces sp.

show abstract

“…Karunanandaa and Varga (1996) have noted that during colonization with Cyathus stercoreus, hemicellulose was degraded preferentially to cellulose. Similarly, Jalč et al (1996), in a study involving six fungal species, verified that hemicellulose content was much more reduced than cellulose. These relatively low values of cellulolytic and xylanase activities are fairly sound to overall objectives of this work.…”

Section: Ligninolytic Potential Of Fungal Isolatesmentioning

confidence: 85%

Enzymatic saccharification of biologically pre-treated wheat straw with white-rot fungi

Dias

Freitas

Marques

et al. 2010

Bioresource Technology

147

View full text Add to dashboard Cite

a b s t r a c tWheat straw was submitted to a pre-treatment by the basidiomycetous fungi Euc-1 and Irpex lacteus, aiming to improve the accessibility of cellulose towards enzymatic hydrolysis via previous selective bio-delignification. This allowed the increase of substrate saccharification nearly four and three times while applying the basidiomycetes Euc-1 and I. lacteus, respectively. The cellulose/lignin ratio increased from 2.7 in the untreated wheat straw to 5.9 and 4.6 after the bio-treatment by the basidiomycetes Euc-1 and I. lacteus, respectively, thus evidencing the highly selective lignin biodegradation. The enzymatic profile of both fungi upon bio-treatment of wheat straw have been assessed including laccase, manganese-dependent peroxidase, lignin peroxidase, carboxymethylcellulase, xylanase, avicelase and feruloyl esterase activities. The difference in efficiency and selectivity of delignification within the two fungi treatments was interpreted in terms of specific lignolytic enzyme profiles and moderate xylanase and cellulolytic activities.

show abstract

Effect of white-rot basidiomycetes-treated wheat straw on rumen fermentation in artificial rumen

Cited by 18 publications

References 8 publications

Effect of Fusarium toxin‐contaminated triticale and forage‐to‐concentrate ratio on fermentation and microbial protein synthesis in the rumen

Effect of Fusarium toxin‐contaminated triticale and forage‐to‐concentrate ratio on fermentation and microbial protein synthesis in the rumen

Effect of anaerobic fungi on in vitro feed digestion by mixed rumen microflora of buffalo

Enzymatic saccharification of biologically pre-treated wheat straw with white-rot fungi

Contact Info

Product

Resources

About