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The effect of using solid state fermented peeled and unpeeled cassava root tubers and limiting amino acid supplementation on metabolizable energy for meat-type cockerels

Research Papers
A.O. Oso
Key Laboratory for Agro-Ecological Processes of Subtropical Region, Institute of Subtropical Agriculture, The Chinese Academy of Sciences and Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha, 410125, P.P.R. China. Department of Animal Nutrition, College of Animal Science and Livestock Production, Federal University of Agriculture Abeokuta, Nigeria, PMB 2240, Nigeria
L. Li
Key Laboratory for Agro-Ecological Processes of Subtropical Region, Institute of Subtropical Agriculture, The Chinese Academy of Sciences and Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha, 410125, P.P.R. China.
B. Zhang
College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China
H. Liu
Key Laboratory for Agro-Ecological Processes of Subtropical Region, Institute of Subtropical Agriculture, The Chinese Academy of Sciences and Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha, 410125, P.P.R. China
F. Li
Key Laboratory for Agro-Ecological Processes of Subtropical Region, Institute of Subtropical Agriculture, The Chinese Academy of Sciences and Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha, 410125, P.P.R. China.
S.O. Osho
Purdue University, 915 W, State Street, West Lafayette, IN 47907-2054, USA
W.A. Olayemi
Yaba College of Technology, School of Agriculture, Epe Campus, Lagos, Nigeria
V. Pirgozliev
Harper Adams University, Newport TF 10 8NB, United Kingdom
O.O. Oluwatosin
Department of Animal Nutrition, College of Animal Science and Livestock Production, Federal University of Agriculture Abeokuta, Nigeria, PMB 2240, Nigeria
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Keywords

Amino acid supplementation
cassava root meal
cockerels
metabolisable energy
solid-state fermentation

How to Cite

The effect of using solid state fermented peeled and unpeeled cassava root tubers and limiting amino acid supplementation on metabolizable energy for meat-type cockerels. (2017). Tropical Agriculture, 94(3). https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/6390
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Abstract

A preliminary in-vitro solid-state fermentation of peeled (PCRM) and unpeeled cassava root tuber meal (UCRM) using Aspergillus niger van Tieghem, was conducted, followed by a force-feeding experiment to investigate the effects of a diet of solid state fermented peeled (PCRM) and unpeeled (UPCRM) cassava root, supplemented with limiting amino acid, on metabolizable energy (ME) for meat-type cockerels. Forty eight, 84 d-old meat-type cockerels (Ross 308) were assigned to 8 treatments consisting of 6 birds per treatment laid out in a 2 × 2 × 2 factorial arrangement of treatment consisting of PCRM and UCRM subjected or not to solid-state fermentation and supplemented with or without limiting amino acids. An additional 6 cockerels were used for endogenous study. Peeling of cassava root increased (P < 0.05) gross energy content of the resultant cassava meal when compared with UCRM. Solid-state fermentation using Aspergillus niger increased (P < 0.05) the crude ash, ether extract and arginine concentration of PCRM and UCRM. Solid-state fermented PCRM recorded the highest (P < 0.05) amylopectin, least (P < 0.05) resistant starch and hydrocyanide concentration. Highest (P < 0.05) apparent metabolizable energy (AME) and nitrogen corrected AME (AMEn) values were obtained for cockerels fed with solid-state fermented PCRM supplemented with or without amino acid. However, supplementation of solid-state fermented PCRM with amino acid resulted in highest (P < 0.05) true metabolisable energy (TME) and nitrogen corrected TME (TMEn) for meat-type cockerels. Reduced (P < 0.05) AME and AMEn values were recorded for UCRM, regardless of solid-state fermentation and amino acid supplementation. In conclusion, solid-state fermentation and amino acid supplementation of PCRM resulted in improved AME, AMEn, TME and TMEn values for meat-type cockerels. Amino acid supplementation had no improvement on AME, AMEn and TME values of UCRM for meat-type cockerels.
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