2020
DOI: 10.1002/jsfa.10648
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In vitro digestibility of mountain‐grown irrigated perennial legume, grass and forb forages is influenced by elevated non‐fibrous carbohydrates and plant secondary compounds

Abstract: BACKGROUND Perennial legumes cultivated under irrigation in the Mountain West USA have non‐fibrous carbohydrate (NFC) concentrations exceeding 400 g kg−1, a level commonly found in concentrate‐based ruminant diets. Our objective was to determine the influence of NFC concentration and plant secondary compounds on in vitro rumen digestion of grass, legume and forb forages compared with digestion of their isolated neutral detergent fiber (NDF) fraction. Forages were composited from ungrazed paddocks of rotational… Show more

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Cited by 8 publications
(3 citation statements)
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“…The elevated level of readily digested carbohydrates combined with the protection of soluble protein from digestion in the rumen appeared in this study to result in greater ADG for steers grazing BFT than either CMV or a high-quality grass. Cicer milkvetch has been found to contain a water-soluble arabinogalactan protein that prevents cellulolytic bacteria from adhering to cellulose [39,40], which likely reduced the maximum rate of in vitro fermentation of CMV relative to BFT in this and other studies [41].…”
Section: Forage Production and Qualitymentioning
confidence: 58%
“…The elevated level of readily digested carbohydrates combined with the protection of soluble protein from digestion in the rumen appeared in this study to result in greater ADG for steers grazing BFT than either CMV or a high-quality grass. Cicer milkvetch has been found to contain a water-soluble arabinogalactan protein that prevents cellulolytic bacteria from adhering to cellulose [39,40], which likely reduced the maximum rate of in vitro fermentation of CMV relative to BFT in this and other studies [41].…”
Section: Forage Production and Qualitymentioning
confidence: 58%
“…As sainfoin contains moderate to high percentage of CT, it may affect palatability and also reduce nutrient digestibility due to its binding ability effect (Scharenberg, Arrigo, Gutzwiller, Soliva, et al, 2007). Numerous in vitro studies also demonstrated that sainfoin had lower gas production, degradable DM and OM and VFA production (Copani et al, 2015;Grosse Brinkhaus et al, 2017;Wang et al, 2022) and also NDF digestibility (Zhang et al, 2021) compared to alfalfa and grass.…”
Section: Small Ruminants' Performancementioning
confidence: 99%
“…Birdsfoot trefoil and CMV have been found to accumulate high concentrations of non-fiber carbohydrates (NFC) when grown under irrigation in the Mountain West [21,22]. The enteric CH 4 emissions of dairy cattle fed with legume silages or pastures were less than those of cows fed with grass silage or pasture due to reduced fiber concentration, greater nutritive concentration and rapid reduction in particle size that allows legumes to leave the rumen more quickly than grasses [13,23].…”
Section: Introductionmentioning
confidence: 99%