Journal of Applied Biosciences (J. Appl. Biosci.) [ISSN 1997 - 5902]
Volume 26: 1647 -1652. Published February 9, 2010.
Quail (Coturnix coturnix japonica) layer diets based on rice bran and total or digestible amino acids
Amoah J .K and Martin E A.
*Bugema University, P.O. Box 6529, Kampala, Uganda;
**Central Luzon State University, P.O.Box 3120 Munoz, Nueva Ecija, Philippines
Corresponding author email: jamoah94@yahoo.com
ABSTRACT
Objectives: To determine the egg production of quails as influenced by the type of diet, the method of expressing amino acid and interaction effects of these factors.
Methodology and Results: Two hundred and forty quail layers (8 weeks of age) were randomly distributed into four treatments with three replications of 20 birds per replication in a 2 × 2 factorial completely randomized design. The User Friendly Feed Formulation (UFFF) software was used to formulate diets. The total and digestible amino acid values for the different ingredients were obtained from Rhone Poulenc Amino Acid Recommendations for Poultry in Rhodiment Nutrition Guide (1993). The experimental diets consisted of formulations based on total and digestible amino acids (TAA; DAA); without and with 20% rice bran. The different parameters were determined from 9 to 17 weeks of age of the birds Birds on diet with 20% rice bran had a lower feed intake but a better feed conversion ratio than those on diet that has no rice bran. A significant effect due to method of formulation was observed on feed consumption (10th week), egg production (13th week) and feed conversion ratio (15th week). Birds on diet formulated on TAA had a higher feed consumption rate, superior egg production, and a better FCR than those on diets formulated on DAAIncome over feed cost (IOFC) was comparable. No significant (P>0.05) differences on egg weight, egg mass and mortality of birds due to any of the dietary factors was observed. Interaction effects between method of formulation and type of diet was not significant P>0.05) in any of these parameters (A3Conclusion: The findings indicated that generally, quail layers diets may be formulated with or without rice bran and whether these diets are formulated based on TAA or DAA.
Key words: Digestible Amino Acids (DAA), Total Amino Acids (TAA), rice bran, formulation
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