20.500.12556/RUL-135334 In vitro gas and short-chain fatty acid production from soybean meal treated with chestnut and quebracho wood extracts by using sheep rumen fluid An in vitro study was conducted to investigate the effects of soybean meal (SBM) treated with two commercially available quebracho (QUE) and chestnut wood (CWE) extracts, at three different concentrations (15, 30 and 60 g/kg SBM) on the extent and rate of gas and short-chain fatty acid (SCFA) production. During the incubation, the gas production was measured at regular intervals from 0 to 48 h and the data were fitted with the Gompertz model to model gas production dynamics. After 24 h volumes of two syringes per substrate were analysed for individual SCFA contents. Treatment of SBM with CWE and QUE at the lowest concentration significantly increased (P < 0.05) gas production at 24 h of incubation (Gas24) and total SCFA production, but did not affect the proportions of individual SCFA. At higher concentrations (30 and 60 g/kg SBM), only the CWE significantly decreased (P < 0.05) Gas24, while both tannins significantly decreased (P < 0.05) the maximum fermentation rate. Both higher concentrations of CWE and QUE also did not affect total SCFA production, yet CWE significantly increased (P < 0.05) the proportion of acetic acid, while QUE tannins did not affect the proportions of individual SCFA. Obtained results suggest that the low doses of QUE and CWE have a stimulating effect on rumen microorganisms, enhancing the extent and rate of fermentation, while higher doses of CWE and QUE decrease the rate of fermentation; however, only CWE affects the fermentation pattern of rumen microorganisms by changing the proportions of individual SCFA. cattle feed additives nutrition rumen fermentation sheep chestnut in vitro gas production quebracho short-chain fatty acids tannins živinoreja prehrana živali maščobne kisline plini sojine tropine tanini kostanj kebračo ovce vamp in vitro true false true Angleški jezik Slovenski jezik Članek v reviji 2022-03-08 10:21:51 2022-03-08 10:21:53 2022-09-14 04:12:50 0000-00-00 00:00:00 2021 0 0 Str. 312-319 no. 4 Vol. 30 2021 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 636.084/.087 1230-1388 10.22358/jafs/144587/2021 99418627 RAZ_Lavrencic_Andrej_2021.pdf RAZ_Lavrencic_Andrej_2021.pdf 1 DBBD1586AC459125E6491879BF918F25 f739d789bff5213eca518640a4986189f6eac6ddf0056bbf558d325944ec1bbe 0700c8fe-9ec2-11ec-abdb-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=154351 http://www.jafs.com.pl/-In-vitro-gas-and-short-chain-fatty-acid-production-from-soybean-nmeal-treated-with,144587,0,2.html 1 e9e7482b-9ec0-11ec-abdb-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=154349 Biotehniška fakulteta 0 0 0