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Asian-Australas J Anim Sci > Volume 14(3); 2001 > Article
Asian-Australasian Journal of Animal Sciences 2001;14(3): 316-320.
DOI: https://doi.org/10.5713/ajas.2001.316    Published online March 1, 2001.
Utilization of Diets Containing Increasing Levels of Dried Desiccated Coconut Waste Meal (DCWM) by Growing Crossbred Anglo-Nubian Goats in Samoa
Eroarome M. Aregheore, Tomasi Tunabuna
Abstract
Sixteen growing crossbred Anglo-Nubian goats, 10-12 months old, pre-experimental average body weights of 18.3 ±0.28 kg were randomly allotted to four diets to investigate the efficiency of utilisation of diets containing increasing levels of desiccated coconut waste meal (DCWM) in the tropical environment of Samoa, South Pacific region. The four diets were designated as 1, 2, 3 and 4. Diet 1 that has no DCWM served as the control, while diets 2, 3 and contained different levels of DCWM. Voluntary concentrate intake, growth rate, feed efficiency and nutrient digestibility coefficients were measured. Gross energy (GE) and organic matter (OM) values of the diets increased linearly with increase in the levels of DCWM in the diets. Voluntary concentrate intake decreased with increasing proportion of DCWM in the diets. Forage intake increased with increase in the levels of DCWM diets offered to the growing goats. Total voluntary feed intakes were statistical significant (p<0.05) and the goats on diet 4 had the least intake followed by those on diet 3. Goats bn diets 1 and 2 were different in total feed intake but not at a significant level (p>0.05). Feed efficiency (FE) followed the trend of voluntary concentrate intake and daily live weight gains. Dry matter digestibility (DMD) was significantly different (p<0.05) among the goats offered the different diets. DMD improved with increasing levels of DCWM. The goats accepted all the diets that were compounded with the different levels of dried DCWM and this seems to suggest that DCWM have no deleterious effects. However, the best level at which dried DCWM could replace brewers dried grains in the diets of growing goats is at 38.5% (diet II). Based on voluntary feed intake, live-weight gain and apparent nutrient digestibility coefficients of the goats it could be concluded that DCWM based diets merits further attention as a locally available feed source irt ruminants nutrition in the Pacific Island countries where feed availability is seasonal.
Keywords: Desiccated Coconut Waste Meal, Goats, Feed Intake, Growth, Digestibility, Tropical
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