Carcass, organ and organoleptic characteristics of broilers fed yeast treated raw soya bean and full fat soya bean

Authors

  • I. J. Onwumelu Department of Animal Science, Delta State University, Asaba Campus, Delta State, Nigeria
  • O. J. Akpodiete Department of Animal Science, Delta State University, Asaba Campus, Delta State, Nigeria
  • J. C. Okonkwo Department of Animal Science and Technology, Nnamdi Azikiwe University, PMB 5025 Awka, Anambra State, Nigeria

Keywords:

FFSB;RSB;Organoleptic quality;Yeast and broiler diet

Abstract

Carcass, Organs andOrganoleptic Characteristics of broilers fed yeast treated raw soya bean (RSB)and full fat soya bean (FFSB) were studied using one hundred and eighty day oldchicks. Standard poultry management techniques were applied and experimenteddiets provided ad libitum. Fifteen diets consisting of various proportions ofFFSB, RSB and yeast were formulated for the starter phase (0- 28 days) andfinisher phase (29-56 days), respectively. The diets in each phase wereformulated to be isocaloric and isonitrogenous with the starter dietscontaining approximately 2900 kcal/kg ME and 23% crude protein, and thefinisher diets containing approximately 3000 kcal/kg and 20% crude protein. Thecarcass and organs studied include weights after defeathering, cut- up partswhich include thighs drumstick, shanks, wings, neck, back, breast head, andorgans such as heart, liver, spleen and gizzard. The lengths of theproventriculus, small intestine, colon and caeca were also measured. The studyshowed that RSB at the levels fed with and without yeast inclusion had nolethal effect on broiler chickens. However, higher performance may be achievedwhen RSB is fed at 25 % with 6 g/kg yeast inclusion at starter phase and at 25% without yeast or 75 % with 12 g/kg yeast inclusion. The study therefore,further maintained that inclusion of RSB with or without yeast in the diets ofbroilers can equally produce broiler with good weight comparable with feedingFFSB or conventional diets; feeding 75 % FFSB + 25 % RSB without yeastinclusion is capable of increasing the proportion of the broilers’ head andshank; RSB inclusion in broiler diets cause increase in the weight of thegizzard, pancreas as well as on the abdominal fat, and feeding FFSB and RSBwith or without east inclusion do not exert any noticeable effect on theorganoleptic ualities tenderness, flavour and in general acceptability) ofbroilers. However, RSB enhances the juiciness of broilers.

References

A.A.O.C., 1990. Official Methods of Analysis. Association of Official Analytical Chemists. 15th Edition, Washington, DC.

Abdelsamic, A.E., Ranaweera,K.N., Nano, W.E., 1983. The influence of fibre content and physical texture on performance of broilers in the Tropics. Brit. Poul. Sci., 24,383-390.

Aderemi, F.A., 2003. Effect of enzyme supplemented cassava root sievate (CRS) in cassava based diet on some visceral organs of pullet chicks. In, Olatunji, E. A., Ayanwale, B. A., Shiawoya, E.L. and Aremu, A. (Editors). Proceedings of the 8th Annual Conference of Animal Science Association of Nigeria, Minna, Nigeria, September., 2003. pp 25-27.

Akpodiete O.J., Okagbare, G.O., 2005. Effects of performance and economy of feed conversion. J. Agr., Forestry and Fisheries (JAFF) 6( 2), (42-45).

Bratte, L., 2007. Utilization of Seeds of the African Pear (Dacryodes edulis G. Don, H.J. Lam) in the Diets of Broiler Chickens in the Tropics. Ph.D Thesis, Delta State University.

Cabel, M.C., Waldroup, P.W., 1991. Effect of dietary protein level and length of feeding on performance and abdominal fat content of broiler chickens. Poul. Sci., 70,1550-1558.

Ducan, P.B., 1995. Multiple range and multiple F-tests. Biometrics., 11,1-42.

Etuk, E.B., Udedibie, A.B., 2006. Effect of cooked pigeon pea seed meal on performance, dressed and organ weights characteristics of broilers. Niger. J. Anim. Product., 33 (1) , 16, - 22.

Fisher, M.L., Lesson, S., Morrison, W.D., Summers, J.D., 1981. Feather growth and feather composition of broiler chickens. Canad. J. Anim. Sci., 61, 769 – 773.

Johnson, C., McNab, J.M., 1983. Grain meal as an ingredient in diets of broilers chicks. Brit. Poul. Sci., 24,361-369.

Obun, C.O., Olafadehan, O.A, Ayanwale, B.A., Inuwa, M., 2008. Growth, carcass and organ weights of finisher broilers fed differently processed Detarium microcarpum (Guill and Sperr) seed meal. Volume 20, Article N126. Retrieved October 1, 2008 from http,www.Irrd.org/Irrd/Irrd20/8/obun20126.htm.

Okeudo, N.J., Eboh, K.V., Izugbokwe, N.V., Akanno, E.C., 2005. Growth rate, carcass characteristics and organoleptic quality of broilers fed graded levels of palm kernel cake. Int. J. Poul. Sci., 4(5),330-333. In http,//www.pjbs.org/ijps/4(5).htm. Retrieved 10th November, 2008.

Olayide, S.O., Olayemi, J.K., 1978. Economic aspects of agriculture and nutrition. A Nigerian case study. Retrieved April 16th 2008 from http,www.unu.edu/unupress//food/8fo11e/8fo11e08.htm

Oruseibo, S.M., 2002. p24. Comprehensive Commercial Poultry Production Manual F & F Publishers, Port Harcourt.

Parks, J.R., 1982. A Theory of Feeding and Growth of Animals, Springer. Verlag, New York.

Pesti, G.M., Miller, B.R., 1997. Modeling for precision nutrition. J. Appl. Poult. Res., 6. 483 – 494.

Reed, G., Nagodownthana,T.W.(1991). In; http,//www.damondv.com/articles /booklet/booklet.html

Schmidt, E., 1953. Food and Feed yeast in Germany. Unasylva – Vol. 7, No.4. Retrieved June 18th 2007 from

http,//www.fao.org/docrep/x5369e/x5369eo3.htm

Steel, R.G., Torrie, J.H., 1980. Principles and Procedures of Statistics. McGraw-Hill Book Company, New York.

Published

2014-02-28

How to Cite

J. Onwumelu, I., J. Akpodiete, O., & C. Okonkwo, J. (2014). Carcass, organ and organoleptic characteristics of broilers fed yeast treated raw soya bean and full fat soya bean. Scientific Journal of Zoology, 3(2), 7-16. Retrieved from http://sjournals.com/index.php/sjz/article/view/1156

Issue

Section

Original Article