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Salvinia (Salvinia molesta)

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).

Datasheet

Description
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Related feed(s) 
Description 
Salvinia molesta, a free-floating aquatic fern, has become a serious pest in the inland waters of many tropical countries. The annual productivity is assumed to be up to 110 t DM per ha.
Distribution 
Originally a native of S America, it is now widespread and infestation is reported in Sri Lanka, Zambia, Zimbabwe, Zaire, Botswana, India, Austalia, Kenya, Indonesia and Thailand.
Processes 
Due to its high moisture content and consequent bulkiness, it is cumbersome to utilize Salvinia molesta in fresh form. Depending on the climatic conditions in many tropical countries, it is quite practicable to dry the plants in the sun.
Environmental impact 
Invasive plant.
Nutritional aspects
Potential constraints 
However, its high lignin content and the presence of tannins may be limiting factors for its use. So far, no evidence of toxic amounts of harmful substances in Salvinia has been found.
Ruminants 
In its chemical composition, Salvinia shows a nutritional value comparable in certain respects to that of a quality forage for ruminants.
Nutritional tables
Tables of chemical composition and nutritional value 

Avg: average or predicted value; SD: standard deviation; Min: minimum value; Max: maximum value; Nb: number of values (samples) used

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 7.7 0.8 6.9 8.5 3
Crude protein % DM 12.4 2.9 9.5 15.2 3
Crude fibre % DM 35.5 2.9 32.2 37.5 3
Ether extract % DM 2.8 0.2 2.6 3.0 3
Ash % DM 17.1 2.3 15.8 19.8 3
Gross energy MJ/kg DM 16.9 *
 
Amino acids Unit Avg SD Min Max Nb
Arginine % protein 4.7 1
Cystine % protein 1.8 1
Glycine % protein 5.8 1
Histidine % protein 1.7 1
Isoleucine % protein 3.6 1
Leucine % protein 7.5 1
Lysine % protein 3.7 1
Methionine % protein 1.4 1
Phenylalanine % protein 5.0 1
Threonine % protein 4.8 1
Tryptophan % protein 1.1 1
Tyrosine % protein 3.5 1
Valine % protein 5.3 1

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

References

Moozhiyil et al., 1989

Last updated on 24/10/2012 00:44:59

References
Datasheet citation 

DATASHEET UNDER CONSTRUCTION. DO NOT QUOTE. http://www.feedipedia.org/node/566 Last updated on March 16, 2010, 17:13

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