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Asian-Australas J Anim Sci > Volume 13(4); 2000 > Article
Ruminant Nutrition and Forage Utilization
Asian-Australasian Journal of Animal Sciences 2000;13(4): 483-486.
DOI: https://doi.org/10.5713/ajas.2000.483    Published online April 1, 2000.
Effect of Feed Allowance on Selection, Intake and Nutrient Utilization of Green Maize (Zea mays) by Goats
N. Dutta, K. Sharma, Q. Z. Hasan
Abstract
The influence of feed allowance on intake and nutrient utilization by Barbari goats given green maize (Zea mays) and potential feeding value of left-overs were studied. The goats were offered food at 3 levels to give left-overs of about 20% (T-1), 35% (T-2) and 50% (T-3) DM of offered amount. A marked effect of refusal rate on intake and digestibility of nutrients was found. The DMI, g/kg W0.75 increased from 39.86 in T-1 to 50.91 and 66.55 g in groups T-2 and T-3, respectively. Allowing selective consumption at higher levels (T-2 and T-3), the intake of TDN and DCP from green maize was found not only to meet the maintenance requirement but provided surplus energy and protein for substantial production. The variability in diet selectivity between goats under different treatments was pronounced. As the level of food excess increased to T-3, the left overs had a higher IVDMD and crude protein and decreased cell wall constituents (p<0.05). Considering the substantial increase in intake and digestibility from feeding green maize at high allowances to goats, further studies are needed to develop practical feeding strategies.
Keywords: Green Maize; Food Allowance; Intake; Digestibility; Leftovers; Goat


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