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Revista Colombiana de Ciencias Pecuarias

Print version ISSN 0120-0690
On-line version ISSN 2256-2958


KNOWLES, María M; PABON, Martha L  and  CARULLA, Juan E. Use of cassava (Manihot esculenta Crantz) and other starchy non-conventional sources in ruminant feeding. Rev Colom Cienc Pecua [online]. 2012, vol.25, n.3, pp.488-499. ISSN 0120-0690.

This review analyses available information on alternative starchy feeds different from corn available in the tropics, and its use in ruminants. A literature search was conducted regarding cassava (Manihot esculenta Crantz), potato (Solanum tuberosum), plantain (Musa paradisiaca), arracacha (Arracacia xanthorriza), yam (Dioscorea sp.), and saka siri (Canna edulis). Available information for most of these resources is limited, except for cassava and potato. However, it can be concluded that these resources are rich in starch but deficient in protein, except for yam and potato which contain protein levels close or even higher than corn. Cassava reports suggest that it can substitute corn in diets for steers and dairy cows without compromising dry matter intake, diet digestibility, weight gain, or milk production, despite its higher ruminal degradation compared to ground corn. However, few studies suggest that under some feeding circumstances substitution of corn with cassava could decrease milk or meat production.

Keywords : cassava; milk production; potato; starches in ruminants.

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