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Publication type: Journal Article
Document type: Full Paper

Year: 2019

Author(s): Sarnataro, C; Petri, RM; Spanghero, M; Zebeli, Q; Klevenhusen, F

Title: A nutritional and rumen ecological evaluation of the biorefinery by-product alfalfa silage cake supplemented with Scrophularia striata extract using the rumen simulation technique.

Source: J Sci Food Agric. 2019; 99(9):4414-4422

Authors Vetmeduni Vienna:

Klevenhusen Fenja
Petri Renee
Zebeli Qendrim

Vetmed Research Units
Institute of Animal Nutrition and Functional Plant Compounds

Project(s): BioFer

By-products of the food production chain are gaining importance as feedstuffs for ruminants. Alfalfa silage cake (AC) is an unexploited biorefinery by-product rich in fiber. The aim of this study was to test AC, using an in vitro rumen simulation technique (Rusitec), for its suitability as a fiber source for cattle. Three diets with similar crude protein (CP) content were formulated; they contained the biorefinery by-product AC, the original alfalfa silage (OA), or a fiber-rich hay. As fibrous feedstuffs are known to promote ruminal methanogenesis, we additionally tested a plant extract of Scrophularia striata (60 mg g

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