Evaluation of the nutrient composition of some unconventional feedstuffs

Elezuo, K.O. and Akalonu, M.N. and Eboigbe, J.J. Evaluation of the nutrient composition of some unconventional feedstuffs. Continental Journal of Fisheries and Aquatic Science , 5(2), pp. 1-5.

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Abstract

A trial was carried out to evaluate the nutrient composition of some unconventional feedstuffs to ascertain their suitability for incorporation into fish feed. Pawpaw seed, mudskipper meal, water melon seed, almond kernel and groundnut husk were processed and analyzed for their proximate and mineral composition using internationally established procedure. The results obtained showed that the experimental feed stuffs had percentage crude protein that ranged from 7.38% to 55.85%. The highest level (55.85%) was found in mudskipper meal while the lowest (7.38%) was found in groundnut husk. The experimental feed stuffs had appreciable levels of calcium, potassium and phosphorus ranging from 0.29% to 1.87%, 0.17 to 1.26 and 0.06 to 0.97 respectively. Almond kernel can be used to replace soybean meal in aqua feed. Also, mudskipper meal can be used to replace fish meal in order to produce a cheaper fish feed; but it was recommended that feeding trials should be conducted to ascertain the inclusion level at which they can be effectively incorporated. The potentials of some of these feedstuffs in fish feed formulation seem high.

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