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Congo grass (Brachiaria ruziziensis)

Description and recommendations

IMPORTANT INFORMATION: This datasheet is pending revision and updating; its contents are currently derived from FAO's Animal Feed Resources Information System (1991-2002) and from Bo Göhl's Tropical Feeds (1976-1982).

Common names

Congo grass, Congo signal, Congo signal grass, Chinese cabbage, Kennedy ruzi, Kennedy ruzigrass, prostrate signal grass, ruzi, ruzigrass, ruzi grass; Spanish: Congo, Congo señal, gambutera, Kenia, pasto Congo, pasto ruzi, ruzi; Portuguese: ruzisiensis, capim congo; French: herbe à bengali; Thai: ya ruzi (Miles et al., 1996)

Synonyms

Brachiaria decumbens var. ruziziensis (R. Germ. & Evrard) Ndab.; Urochloa ruziziensis (R. Germ. & C.M. Evrard) Crins; Urochloa ruziziensis (R. Germ. & Evrard) Morrone & Zuloaga (Quattrochi, 2006)

Description

Late flowering perennial similar to B. decumbens, but with the lower glume distant from the rest of the spikelet. Light-green broad hairy leaves and flowers. Can be grown with Desmodium intortum and Stylosanthes gracilis.

Ruminants

Cultivated in the humid tropics for pasture.

Citation

DATASHEET UNDER CONSTRUCTION. DO NOT QUOTE. http://www.feedipedia.org/node/484 Last updated on July 30, 2010, 13:55

Tables

Tables of chemical composition and nutritional value

IMPORTANT INFORMATION: This datasheet is pending revision and updating; its contents are currently derived from FAO's Animal Feed Resources Information System (1991-2002) and from Bo Göhl's Tropical Feeds (1976-1982).

Main analysis Unit Avg SD Min Max Nb
Dry matter % as fed 25.1 7.1 15.3 46.9 247
Crude protein % DM 9.0 3.1 3.3 14.5 302
Crude fibre % DM 33.1 3.4 27.6 40.6 300
NDF % DM 67.7 65.5 74.8 2 *
ADF % DM 39.0 2.6 31.9 40.1 10 *
Lignin % DM 5.5 0.6 3.9 5.7 10 *
Ether extract % DM 2.0 0.5 1.2 3.3 293
Ash % DM 9.5 1.8 6.3 13.3 300
Gross energy MJ/kg DM 18.0 *
 
Minerals Unit Avg SD Min Max Nb
Calcium g/kg DM 4.3 0.9 2.4 6.2 298
Phosphorus g/kg DM 2.2 0.9 1.0 4.4 298
Potassium g/kg DM 24.4 7.0 10.9 38.0 246
Sodium g/kg DM 0.9 0.4 1.4 2
Magnesium g/kg DM 2.8 0.7 1.6 4.3 242
Manganese mg/kg DM 49 18 39 70 3
Zinc mg/kg DM 38 10 29 48 3
Copper mg/kg DM 5 3 3 8 3
 
Ruminant nutritive values Unit Avg SD Min Max Nb
OM digestibility, Ruminant % 55.6 *
Energy digestibility, ruminants % 53.2 *
DE ruminants MJ/kg DM 9.6 *
ME ruminants MJ/kg DM 7.7 *
Nitrogen digestibility, ruminants % 69.2 1

The asterisk * indicates that the average value was obtained by an equation.

References

Abaunza et al., 1991; CIRAD, 1991; INFIC, 1978; Nasrullah et al., 2003; Pozy et al., 1996; Scaut, 1959

Last updated on 27/11/2012 14:24:25

TABLE UNDER CONSTRUCTION. DO NOT QUOTE.

Main analysis Unit Avg SD Min Max Nb
Dry matter % as fed 89.2 4.0 81.6 94.2 36
Crude protein % DM 4.7 0.8 3.4 6.3 36
Crude fibre % DM 38.2 2.1 33.7 42.7 36
NDF % DM 70.6 *
ADF % DM 44.6 *
Lignin % DM 6.9 *
Ether extract % DM 1.2 0.2 0.8 1.5 36
Ash % DM 8.3 1.6 5.3 10.8 36
Gross energy MJ/kg DM 18.0 18.0 19.2 2 *
 
Minerals Unit Avg SD Min Max Nb
Calcium g/kg DM 4.4 0.6 3.1 5.4 36
Phosphorus g/kg DM 1.7 0.6 0.7 2.6 36
Potassium g/kg DM 21.3 5.5 10.1 31.3 36
Sodium g/kg DM 0.1 1
Magnesium g/kg DM 2.1 0.5 1.5 3.3 36
Manganese mg/kg DM 153 1
Zinc mg/kg DM 23 1
Copper mg/kg DM 4 1
 
Ruminant nutritive values Unit Avg SD Min Max Nb
OM digestibility, Ruminant % 46.0 *
Energy digestibility, ruminants % 44.0 *
DE ruminants MJ/kg DM 7.9 *
ME ruminants MJ/kg DM 6.4 *

The asterisk * indicates that the average value was obtained by an equation.

References

CIRAD, 1991

Last updated on 27/11/2012 14:28:24

TABLE UNDER CONSTRUCTION. DO NOT QUOTE.

Main analysis Unit Avg SD Min Max Nb
Dry matter % as fed 70.9 12.8 59.6 90.3 5
Crude protein % DM 11.5 0.3 11.1 11.9 5
Crude fibre % DM 16.0 1.7 14.2 18.0 5
NDF % DM 48.2 *
ADF % DM 17.2 *
Ether extract % DM 8.6 0.4 8.1 9.1 5
Ash % DM 4.4 0.4 3.8 4.9 5
Gross energy MJ/kg DM 19.7 *
 
Minerals Unit Avg SD Min Max Nb
Calcium g/kg DM 1.2 0.7 0.4 2.0 5
Phosphorus g/kg DM 2.8 0.2 2.4 3.0 5
Potassium g/kg DM 6.2 1.7 4.0 8.0 5
Magnesium g/kg DM 1.7 0.2 1.5 1.9 5
 
Ruminant nutritive values Unit Avg SD Min Max Nb
OM digestibility, Ruminant % 62.7 *
Energy digestibility, ruminants % 61.2 *
DE ruminants MJ/kg DM 12.1 *
ME ruminants MJ/kg DM 9.9 *
 
Pig nutritive values Unit Avg SD Min Max Nb
Energy digestibility, growing pig % 65.0 *
DE growing pig MJ/kg DM 12.8 *

The asterisk * indicates that the average value was obtained by an equation.

References

CIRAD, 1991

Last updated on 24/10/2012 00:45:31

TABLE UNDER CONSTRUCTION. DO NOT QUOTE.

References

References

Herrero, M. ; do Valle, C. B. ; Hughes, N. R. G. ; V de O. Sabatel, Jessop, N. S., 2001. Measurements of physical strength and their relationship to the chemical composition of four species of Brachiaria. Anim. Feed Sci. Technol., 92 (3-4): 149-158 web icon
Husson, O. ; Charpentier, H. ; Razanamparany, C. ; Moussa, N. ; Michellon, R. ; Naudin, K. ; Razafintsalama, H. ; Rakotoarinivo, C. ; Rakotondramanana; Séguy, L., 2008. Brachiaria sp., B. ruziziensis, B. brizantha, B. decumbens, B. humidicola. CIRAD, Manuel pratique du semis direct à Madagascar, Vol. III, Chap. 3, par. 4.1 web icon
INFIC, 1978. Data from International Network of Feed Information Centres. Rome, FAO
Inyang, U. I., 2009. Management of Brachiaria cultivar mulato in South Florida. Master of Sciences, University of Florida web icon
Lascano, C. E. ; Euclides, V. P. B., 1996. Nutritional qualilty and animal production of Brachiaria pastures. In: Brachiaria: biology, agronomy and improvement web icon
Lopes, F. C. F. ; Paciullo, D. S. C. ; Mota, E. F. ; Pereira, J. C. ; Azambuja, A. A. ; Motta, A. C. S. ; Rodrigues, G. S. ; Duque, A. C. A., 2010. Chemical composition and in situ ruminal degradability of four Brachiaria species. Arq. Bras. Med. Vet. Zootec., 62 (4): 883-888 web icon
Miles, J. W. ; Maas, B. L. ; do Valle, C. B. ; Kumble, V., 1996. Brachiaria: biology, agronomy and improvement. CIAT, EMBRAPA web icon
Napasirth, V. ; Sivilay, B., 2009. The study of chemical composition of animal feed resource in Central Lao PDR:Vientiane Capital. Lao J. Agric. Forest., 16: 111-118 web icon
Perez Infante, F. ; Gonzalez, F., 1985. Performance of different pasture species with grazing dairy cows. Cuban J. Agric. Sci., 19 (3): 249-256
Pierre, F., 1984. Photosensitization dermatosis in sheep in the interior of the Ivory Coast. Rev. Elev. Méd. Vét. Pays Trop., 37 (3): 277-285 web icon
Scaut, A., 1959. Détermination de la digestibilité des herbages frais. Institut national pour l'étude agronomique du Congo belge. Série scientifique. No 81, 86pp.
Tedonkeng Pamo, E.; Boukila, B.; Fonteh, F. A.; Tendonkeng, F.; Kana, J. R.; Nanda, A. S., 2007. Nutritive value of some grasses and leguminous tree leaves of the Central region of Africa. Anim. Feed Sci. Technol., 135 (3-4): 273-282 web icon
Vallejos, A. ; Pizarro, E. A. ; Chaves, C. ; Pezo, D. ; Ferreira, P., 1989. Agronomic evaluation of grasses at Guapiles, Costa Rica. I. Brachiaria ecotypes.. Pasturas Tropicales 11 (2): 13-28 web icon

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