Effect of inherent polyphenolics on the nutritional value of Namibian browse
1994
Strydom, P.J. (Department of Agriculture and Rural Development, Windhoek (Namibia). Agriculture Laboratory) | Smith, W.A. (University of Stellenbosch, Stellenbosch (South Africa).Department of Animal Science)
Total polyphenolics, condensed tannins and protein precipitating capacity were determined for 20 selected browse species collected in the highland savanna and forest savannaa and woodland areas in Namibia and correlated with in vitro dry matter digestibility and in situ nutrient disappearance. No consistent relationships were found between the phenolic content and the digestibility except that the condensed tannin content of the browse correlated negatively with in vitro dry matter digestibility. The conclusion was that cattle grazing in Namibian rangeland did not consume polyphenolics in sufficient amounts to affect in vitro dry matter digestibility or in situ disappearance of nutrients.
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