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Doum palm (Hyphaene thebaica)

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
Click on the "Nutritional aspects" tab for recommendations for ruminants, pigs, poultry, rabbits, horses, fish and crustaceans
Common names 
Dum palm, egyptian doum palm, gingerbread palm, dumpalme, duma
Species 

Hyphaene thebaica (L.) Mart. [Arecaceae]

Synonyms 
Corypha thebaica L.
Feed categories 
Related feed(s) 
Description 
One of the few branching palms, 10-15 m high, with a very hard and fibrous kernel once used in the manufacture of buttons (see also Phytelephas macrocarpa) and cultivated for that purpose in North Africa. The kernel consists mainly of the carbohydrate mannan.
Nutritional aspects
Nutritional attributes 
As the nutritive value is increased so much by shelling the nuts, only the kernels should be used. Mature nuts and kernels should be ground into meal as they are very hard. If used together with protein supplement, doum kernel meal is an excellent feed for all animals that is comparable to maize. The carcasses of animals fattened on doum kernel meal tend to have less back fat than those fattened on maize and will therefore be graded higher.
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 90.4 1
Crude protein % DM 9.0 1
Crude fibre % DM 7.3 1
Ether extract % DM 7.0 1
Ash % DM 2.8 1
Gross energy MJ/kg DM 19.2 *
 
Ruminant nutritive values Unit Avg SD Min Max Nb
OM digestibility, Ruminant % 76.2 1
ME ruminants (FAO, 1982) MJ/kg DM 12.3 1
Nitrogen digestibility, ruminants % 36.4 1
 
Pig nutritive values Unit Avg SD Min Max Nb
Energy digestibility, growing pig % 78.6 *
DE growing pig MJ/kg DM 15.1 *

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

References

Maymone et al., 1961

Last updated on 24/10/2012 00:44:07

Main analysis Unit Avg SD Min Max Nb
Dry matter % as fed 93.2 1.5 91.4 95.0 4
Crude protein % DM 4.2 0.8 3.5 5.2 4
Crude fibre % DM 36.6 10.1 24.7 46.1 4
Ether extract % DM 4.1 2.1 2.6 7.2 4
Ash % DM 2.8 0.9 1.8 3.6 4
Gross energy MJ/kg DM 19.4 *
 
Minerals Unit Avg SD Min Max Nb
Calcium g/kg DM 0.7 0.2 0.5 0.9 3
Phosphorus g/kg DM 1.7 0.7 1.0 2.4 3
Potassium g/kg DM 6.5 4.6 3.4 11.8 3
Sodium g/kg DM 0.1 0.1 0.1 2
Magnesium g/kg DM 1.0 1
 
Ruminant nutritive values Unit Avg SD Min Max Nb
OM digestibility, Ruminant % 42.5 1
ME ruminants (FAO, 1982) MJ/kg DM 7.3 1
Nitrogen digestibility, ruminants % 0.0 1
 
Pig nutritive values Unit Avg SD Min Max Nb
Energy digestibility, growing pig % 32.6 *
DE growing pig MJ/kg DM 6.3 *

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

References

CIRAD, 1991; Maymone et al., 1961

Last updated on 24/10/2012 00:44:08

Main analysis Unit Avg SD Min Max Nb
Dry matter % as fed 48.0 1
Crude protein % DM 6.7 1.0 4.9 8.9 19
Crude fibre % DM 38.8 3.8 34.4 46.8 18
NDF % DM 64.2 4.5 57.6 73.0 18
ADF % DM 44.5 3.0 40.1 51.9 18
Lignin % DM 10.7 1.3 8.9 14.2 18
Ether extract % DM 1.6 0.3 1.0 2.1 19
Ash % DM 10.0 2.1 6.5 14.5 19
Gross energy MJ/kg DM 17.7 *
 
Minerals Unit Avg SD Min Max Nb
Calcium g/kg DM 4.1 0.9 2.1 4.7 7
Phosphorus g/kg DM 1.1 0.3 0.8 1.8 7
Potassium g/kg DM 11.9 2.5 9.6 17.1 7
Magnesium g/kg DM 3.2 0.7 2.4 4.3 7
 
Secondary metabolites Unit Avg SD Min Max Nb
Tannins (eq. tannic acid) g/kg DM 20.8 4.7 10.2 27.6 16

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

References

CIRAD, 1991

Last updated on 24/10/2012 00:45:27

References
References 
Maymone, B. ; Battaglini, A. ; Tiberio, M., 1961. The mannans of the seed of doum palm, Hyphaene spp, in animal feeding. Alimentaz. anim., 5: 485-503
1 references found
Datasheet citation 

DATASHEET UNDER CONSTRUCTION. DO NOT QUOTE. https://feedipedia.org/node/518 Last updated on March 16, 2010, 17:13

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