The content of insoluble fibre and crude protein value of the aboveground biomass of Amaranthus cruentus and A. hypochondriacus

B. Písaříková, J. Peterka, M. Trčková, J. Moudrý, Z. Zralý and I. Herzig
Additional contact information
B. Písaříková: Veterinary Research Institute, Brno, Czech Republic
J. Peterka: University of South Bohemia, České Budějovice, Czech Republic
M. Trčková: Veterinary Research Institute, Brno, Czech Republic
J. Moudrý: University of South Bohemia, České Budějovice, Czech Republic
Z. Zralý: Veterinary Research Institute, Brno, Czech Republic
I. Herzig: Veterinary Research Institute, Brno, Czech Republic

Czech Journal of Animal Science, 2007, vol. 52, issue 10, 348-353

Abstract: Twenty samples of the aboveground biomass of Amaranthus cruentus (varieties Olpir, Amar 2 RR-R 150, and A 200 D) and A. hypochondriacus (variety No. 1008) were analysed to determine their nutritional value during the experimental period covering five growth stages from inflorescence emergence till full ripening of grain. During plant growth, from day 80 to day 120 of cultivation, the nutritional value decreased. This was demonstrated by an increase in insoluble fibre and a reduction in crude protein content. The content of neutral detergent fibre (NDF) in the dry matter increased from 356 to 420 g/kg (P < 0.01); acid detergent fibre (ADF) from 238 to 286 g/kg (P < 0.01); acid detergent lignin (ADL) from 22.9 to 53.4 g/kg (P < 0.01). The content of crude protein in the dry matter of the investigated amaranth varieties decreased from 174 to 109 g/kg (P < 0.01). In the Czech Republic the aboveground biomass of the cultivated A. cruentus and A. hypochondriacus could be used as a good source of fibre and protein in animal diets when harvested in the period from day 80 to 90 of cultivation.

Keywords: amaranth varieties; vegetation stage; NDF - neutral detergent fibre; ADF - acid detergent fibre; ADL - acid detergent lignin (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (2)

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DOI: 10.17221/2339-CJAS

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