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

Author

Listed:
  • 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)

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.

Suggested Citation

  • B. Písaříková & J. Peterka & M. Trčková & J. Moudrý & Z. Zralý & I. Herzig, 2007. "The content of insoluble fibre and crude protein value of the aboveground biomass of Amaranthus cruentus and A. hypochondriacus," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 52(10), pages 348-353.
    • Handle: RePEc:caa:jnlcjs:v:52:y:2007:i:10:id:2339-cjas
    DOI: 10.17221/2339-CJAS
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    Cited by:

    1. P. Homolka & V. Koukolová & Z. Němec & Z. Mudřík & B. Hučko & J. Sales, 2008. "Amino acid contents and intestinal digestibility of lucerne in ruminants as influenced by growth stage," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 53(12), pages 499-505.
    2. P. Homolka & V. Koukolová & M. Podsedníček & A. Hlaváčková, 2012. "Nutritive value of red clover and lucerne forages for ruminants estimated by in vitro and in vivo digestibility methods," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 57(10), pages 454-468.

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