Keywords
least-cost diet
quality protein maize
Abstract
The study evaluated nutritional values of newly developed quality protein maize (QPM) hybrid cultivars (SQM 6172 and SQM 6192) for broilers. Proximate and amino acid composition of test maize, together with digestibility were determined. Responses of broilers to least-cost formulated QPM based diets (SQM 6172-based=QPM1 and SQM 6192-based=QPM2) in terms of production performance, carcass yield and economics of feeding were evaluated with reference to normal maize (NM). SQM 6172 and SQM 6192 had higher total essential amino acids compared to NM. Broilers fed QPM1 and QPM2 had economic advantage in terms of feed cost. Carcass yield of birds fed QPM hybrids was higher than NM. In formulating diets using QPM hybrids, influence of protein supplement and shelf-life must be considered to further qualify the nutritional and feeding values.
References
Alamu, E. O., Menkir, A., Adesokan, M., Fawole, S., & Maziya-Dixon, B. (2022). Assessment of the effects of genotype, location, and planting season on the nutritional composition and the metabolizable energy of advanced twenty-five maize hybrids. International Journal of Plant Biology, 13(3), 343-351.
Amonelo, M.O., & Roxas, D.B. (2008). Growth performance of broilers fed a quality protein (QPM)-based diet. Philippine Journal of Veterinary and Animal Sciences. 34(1), 11-22.
Burgoon, K.G., Hansen, J.A., Knabe, D.D., & Bockholt, A.J. (1992). Nutritional value of quality protein maize for starter and finisher swine. Journal of Animal Science. 70, 811-817.
Celestino, O.F., San Andres, J.V., Badua, A.T., & Martin, E.A. (2012). Amino acid profile, energy metabolizability and feeding value of quality protein maize for laying hen. Philippine Journal for Veterinary and Animal Sciences. 38 (2), 117-126.
Laude, T.P. (2007). Development of High-Quality Protein Maize in the Philippines. Institute of Plant Breeding, University of the Philippines Los Baños, Laguna.
Li, H., Li, L., Wegenast, T., Longin, C. F., Xu, X., Melchinger, A. E., & Chen, S. (2010). Effect of N supply on stalk quality in maize hybrids. Field Crops Research, 118(3), 208-214.
Magulama, E.E. & Sales, E.K. (2010). Developing and identifying superior quality protein (QPM) cultivars. University of Southern Mindanao Research and Development, 18(1), 1-5.
Martin, E.A., Badua, A.T., & San Andres, J.V. (2012). Feeding Value of Quality Protein Maize for Poultry and Swine. Terminal Report. PCAARRD-DOST.
Panda, A.K., Raju, M.V.L.N., Rama Rao, S.V., & Lavanya, G. (2010). Replacement of quality protein maize on performance, immune response and carcass characteristics of broiler chickens. Asian-Australian Journal of Animal Science, 23(12), 1626-1631.
Philippine Society of Animal Nutritionists (PHILSAN). (2003). Nutrient Recommendations for Poultry. Feed Reference Standards. 3rd ed. (pp. 127-133). Philippine Society of Animal Nutritionists, UPLB, Laguna, Philippines.
Pixley, K.V., & Bjarnason, M.S. (2002). Stability of grain yield, endosperm modification, and protein quality of hybrid and open-pollinated quality protein maize (QPM) cultivars. Crop Science, 42, 1882-1890.
Sibbald, I.R. (1976). A bioassay for available amino acid and true metabolisable energy in feedstuffs. Poultry Science, 55, 303-308.
Sullivan, J.S., Knabe, D.A, Bockholt, A.J., & Gregg, E.J. (1989). Using ultrasound technology to predict nutritional value of quality protein maize and food corn for starter and growth pigs. Journal of Animal Science, 67, 1285-1292.
Worku, M., Banziger, M., Friesen, D., Erley, G.S.A., Diallo, A.O., Vivek, B., & Horst, W.J. (2007). Protein quantity and quality and grain yield performance of quality protein maize and normal endosperm maize under different levels of nitrogen. African Crop Science Conference Proceedings (1905-1909). El-Mina, Egypt.
Zhai, S.W., & Zhang, M.L. (2007). Comparison of true metabolizable energy and true amino acid availability between normal maize and quality protein maize (Shandan 17). Italian Journal of Animal Science, 6, 289-294.