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Yellow yam (Dioscorea cayenensis)

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 
Igname jaune, igname de Cayenne, attoto yam, lagos yam, twelve months yam, yellow Guinea yam, yellow yam, gelbe yamswurzel, cará do Pará
Species 

Dioscorea cayenensis Lam. [Dioscoreaceae]

Synonyms 
Dioscorea occidentalis R. Knuth
Feed categories 
Related feed(s) 
Description 
A yam with angular glabrous stem, usually prickly toward the base, and leaves that are deeply cordate at the base and 8-13 cm long. The flesh of the tubers is yellow. The tubers take about a year to mature. The yellow yam does not store well.
Nutritional aspects
Pigs 
Peelings can be used as pig feed.
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 21.7 1
Crude protein % DM 7.4 1
Crude fibre % DM 7.6 1
Ether extract % DM 0.7 1
Ash % DM 7.5 1
Gross energy MJ/kg DM 16.8 *
 
Pig nutritive values Unit Avg SD Min Max Nb
Energy digestibility, growing pig % 78.2 *
DE growing pig MJ/kg DM 13.2 *

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

References

Oyenuga, 1968

Last updated on 24/10/2012 00:45:25

Main analysis Unit Avg SD Min Max Nb
Dry matter % as fed 16.6 1
Crude protein % DM 6.2 1
Crude fibre % DM 2.4 1
Ether extract % DM 0.4 1
Ash % DM 3.2 1
Gross energy MJ/kg DM 17.3 *
 
Pig nutritive values Unit Avg SD Min Max Nb
Energy digestibility, growing pig % 86.3 *
DE growing pig MJ/kg DM 14.9 *

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

References

Oyenuga, 1968

Last updated on 24/10/2012 00:45:25

Main analysis Unit Avg SD Min Max Nb
Dry matter % as fed 16.1 1
Crude protein % DM 5.4 1
Crude fibre % DM 0.8 1
Ether extract % DM 0.2 1
Ash % DM 3.0 1
Gross energy MJ/kg DM 17.2 *
 
Pig nutritive values Unit Avg SD Min Max Nb
Energy digestibility, growing pig % 88.8 *
DE growing pig MJ/kg DM 15.3 *

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

References

Oyenuga, 1968

Last updated on 24/10/2012 00:45:25

References
References 
Oyenuga, V. A. ; Fetuga, B. L., 1975. Chemical composition, digestibility and energy values of some varieties of yam, cassava, sweet potatoes and cocoyams for pigs. Nigerian J. Sci., 9 (1): 63-110
Oyenuga, V. A., 1968. Nigeria's foods and foodstuffs. Ibadan, University Press
2 references found
Datasheet citation 

DATASHEET UNDER CONSTRUCTION. DO NOT QUOTE. https://www.feedipedia.org/node/541 Last updated on March 16, 2010, 17:13

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