Bioenergy from Dendromass for the Sustainable Development of Rural Areas: Research Findings from the AgroForNet and BEST Projects of the German ‘Sustainable Land Management’ Funding Programme

Manning, David Butler; Bemmann, Albrecht; Ammer, Christian; Bredemeier, Michael; Lamersdorf, Norbert

doi:10.1002/9783527682973.ch1

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“…The plant first grows to a height of 1.2–1.8 m, while the oldest plants can reach over 4 m in height [ 7 , 8 , 9 , 10 ]. Unlike alfalfa, Virginia fanpetals can be successfully grown on sandy or rocky soils which are poor in organic matter and nutrients, where the crop simultaneously minimizes soil erosion and improves the structure and fertility of the soil [ 11 ]. Virginia fanpetals is highly tolerant to low temperatures (to −35 °C), drought and lodging [ 12 , 13 ], while not being sensitive to soil pH [ 14 ].…”

Section: Introductionmentioning

confidence: 99%

Effects of Dietary Substitution of Alfalfa Silage with Virginia Fanpetals Silage in Lactating Polish Holstein Friesian Dairy Cows

Purwin

Nogalski

Starczewski

et al. 2020

Animals

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The aim of this study was to evaluate the effect of partial or complete substitution of alfalfa silage with Virginia fanpetals silage in rations based on maize silage on feed intake, digestibility, ruminal fermentation and milk yield and physicochemical characteristics. Nine Polish Holstein Friesian cows in the second half of lactation were fed three experimental diets in a replicated 3 × 3 Latin square design as follows: maize silage + alfalfa silage, maize silage + alfalfa silage and Virginia fanpetals silage in a 50:50 ratio, maize silage + Virginia fanpetals silage. Complete substitution caused an increase in dry matter intake (DMI), total volatile fatty acids (VFA), acetic acid to propionic acid (A/P) ratio, N-NH3 in the rumen contents and milk urea and a decrease in the feed conversion ratio. The partial and complete substitution changed the profile of milk fatty acids, resulting in a slight increase in saturated fatty acids (SFA) and a decrease in unsaturated fatty acids (UFA) as well as in all functional fatty acids except vaccenic acid. The most promising production effects were achieved through partial substitution of alfalfa silage with the Virginia fanpetals silage.

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