Composition, Apparent Digestibility and Energy Evaluation of Coconut Oil and Coconut Meal

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Abstract
Coconut meal was analyzed for dry matter, crude protein, ether extract, fiber, ash, nitrogen-free extract, gross energy and amino acids, and for calcium, phosphorus, magnesium, potassium, zinc, copper and manganese. Thirty-two pigs were used in a digestion trial to determine apparent digestibility using the chromic oxide marker technique. When coconut meal was added to swine diets, a depression of protein and dry matter digestibility occurred. The protein in coconut meal had an apparent digestibility of 50.7%. Digestibility coefficients for nitrogen-free extract, ether extract and crude fiber were high in diets containing coconut meal. As a result, the digestible energy content was high, 3.6 kcal/g. The levels of calcium, phosphorus, magnesium, potassium and manganese were reasonably close to previously reported values. Copper content was found to be 40 mg/kg which was twice the level previously reported. The zinc content was found to be 53 mg/kg. The digestion coefficients for protein and ether extract were considerably greater when diets contained 10% coconut oil. As a result, the digestible energy content of coconut oil (0,8 kcal/kg) as found by indirect measure was higher than expected. Copyright © 1971. American Society of Animal Science . Copyright 1971 by American Society of Animal Science.

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