Replacement value of rubber seed (Hevea brasiliensis) meal for full-fat soya bean meal on performance, carcass characteristics and blood parameters of broilers

Autor: I. C. Alamede, A. T. Ijaiya, R. A. Erhnuanga
Rok vydání: 2021
Předmět:
Zdroj: Nigerian Journal of Animal Production; Vol 38, No 2 (2011); 34-45
ISSN: 0331-2062
DOI: 10.51791/njap.v38i2.2790
Popis: Rubber seed meal (RSM) contains about 28.63% CP but also high in CF (20%). Rubber seed cake was extruded after the extraction of rubber seed oil from the Rubber Seed oil processing Department of Rubber Research Institute of Nigeria, Benin-City. The rubber seed cake was then milled to produce RSM. Soya bean meal (SBM) was prepared by processing sun-dried soya bean seeds in a combined toaster, grinder and extruder. The experiments reported in this study were to investigate the utilization of RSM as a replacement for SBM in the diets of broilers. In the first experiment, 225 seven days’-old broiler chicks of Anak strain were randomly allotted to five dietary treatments T1, T2, T3, T4 and T5 which had 100% SBM: 0% RSM, 75% SBM: 25% RSM, 50% SBM: 50% RSM, 25% SBM: 75% RSM and 0% SBM: 100% RSM respectively. The CP level was set at 24% and energy level at 2900kcal/kg. The birds were further sub-divided into three replicates of 15 birds each. The trial lasted for 28 days. In the second experiment, design and feed formulation were similar but the CP level was set at 21% and energy at 2700kcal/kg. 225 five weeks old broiler chicks from the first experiment were fed the broiler finisher diets. At the end of the 9th week, 2 birds were randomly selected from each of the replicates for carcass, organ weight and haemotological evaluation. In experiment 1, feed intake of the birds on diets containing RSM up to 75% inclusion level compared favourably with the control (0%RSM). In the second experiment, feed intake increased significantly (P
Databáze: OpenAIRE