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Titolo:
Effect of Saccharomyces cerevisiae and syringaldehyde on the fermentation parameters of meadow hay in vitro
Autore:
Varadyova, Z; Zelenak, I; Siroka, P;
Indirizzi:
Slovak Acad Sci, Inst Anim Physiol, Kosice 04001, Slovakia Slovak Acad Sci Kosice Slovakia 04001 im Physiol, Kosice 04001, Slovakia
Titolo Testata:
CZECH JOURNAL OF ANIMAL SCIENCE
fascicolo: 4, volume: 46, anno: 2001,
pagine: 179 - 183
SICI:
1212-1819(200104)46:4<179:EOSCAS>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
IN-VITRO; YEAST CULTURE; RUMEN; SHEEP; DIGESTION; DIET;
Keywords:
fermentation; in vitro; meadow hay; phenolic compound; Saccharomyces cerevisiae;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
20
Recensione:
Indirizzi per estratti:
Indirizzo: Varadyova, Z Slovak Acad Sci, Inst Anim Physiol, Soltesovej 4-6, Kosice 04001, Slovakia Slovak Acad Sci Soltesovej 4-6 Kosice Slovakia 04001 lovakia
Citazione:
Z. Varadyova et al., "Effect of Saccharomyces cerevisiae and syringaldehyde on the fermentation parameters of meadow hay in vitro", CZEC J ANIM, 46(4), 2001, pp. 179-183

Abstract

The influence of the phenolic compound syringaldehyde (SA) and the yeast culture of Saccharomyces cerevisiae (YS) upon the end products of rumen fermentation in vitro has been investigated. Two rumen fistulated sheep were used as st source of inoculum. Meadow hay (MH) as a substrate with the following combination of additives was used: (1) MH without additive; (2) MH withYS; (3) MH with 1 mmol/l SA; (4) MH with 5 mmol/l SA; (5) MH with 10 mmol/l SA; (6) MH plus YS with 1 mmol/l SA; (7) MH plus YS with 5 mmol/l SA (8) MH plus YS with 10 mmol/l SA. Fermentation was carried out in 120 ml serum bottles and measurements were made by means of the pressure transducer technique. Syringaldehyde decreased (P < 0.001) the hay dry matter degradability in all combinations. Total gas and methane production were lower (P < 0.001) in combinations with 10 mmol/l of syringaldehyde. Total volatile fatty acids (VFA) production was positively affected in the combinations MH plus YS with 1 mmol/l and 5 mmol/l of SA. Application of 10 mmol/l syringaldehyde had a negative effect. It was impossible to subdue this negative effect by combination with Saccharomyces cerevisiae.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 12/07/20 alle ore 09:17:04