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International Journal of Poultry Science

.: Home > International Journal of Poultry Science > 2009 > Volume 8 Number 10 > Mohamed Elamin Ahmed1 and Khadiga Abbas Abdelati2

Chemical Composition and Amino Acids Profile of Leucaena leucocephala Seeds

Mohamed Elamin Ahmed1 and Khadiga Abbas Abdelati2
1Shool of Animal Production, Faculty of Agricultural Technology and Fish Sciences, Alneelain University, P.O. Box 12702, Sudan 2Department of Animal Nutrition, Faculty of Animal Production, University of Khartoum, P.O. Box 71, Khartoum, Sudan
Abstract :

The utilization of grain legumes such as Leucaena leucocephala by the feed industry is limited
because of uncertainty about their nutritional quality. Although the analyzed total amino acid and energy
contents of many grain legumes are quite similar, their protein qualities and metabolizable energy values
are quite variable. Leucaena leucocephala seeds were analyzed for chemical composition and amino acids profile. The analyzed nutrient composition indicated that leucaena seeds are potential source of protein and energy. The protein content was 31.1% and the calculated metabolizable energy of the seeds was 2573.26 kcal/kg. Amino acids profile of leucaena seeds were 1.39% lysine%, 0.36% methionine, 0.35% cystine, 2.62% arginine, 4.63% glutamic acid, 0.87% threonine, 1.38% glycine, 1.11% alanine, 1.11% valine, 0.93% isoleucine, 1.81% leucine and 0.71% methionine + cystine. Antinutritional Factors (ANFs) were 0.75% tannin and 697.50 mg/100g phytate. Leucaena seed was incorporated at 0, 3, 6, 9 and 12% in broiler chicks' diets. One hundred twenty one-day old unsexed broilers (Ross 308) were used. The performance revealed that, the overall feed intake and body weight gain were significantly (p<0.01) depressed with the inclusion of 6, 9 and 12% leucaena seeds in the diet.

Keywords :
Leucaena leucocephala, amino acids, tannin, phytate, broiler

Date Deposited : 06 Jul 2011 12:39

Last Modified : 06 Jul 2011 12:39

Official URL: http://www.pjbs.org/ijps/ijps.htm

Volume 8, Number 10, - 2009 , ISSN 1682-8356

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