Quality improvement of palm kernel cake as broiler feed using pre-cleaning system

Nu’man Abdul Hadi, . and Ridzuan Ramli, . and Mohd Firdaus Othman, . and Rohaya Mohamed Halim, . and Che Rahmat Che Mat, . and Astimar Abd Aziz, . Quality improvement of palm kernel cake as broiler feed using pre-cleaning system. pp. 458-472. ISSN 2811-4701

The use of palm kernel cake (PKC) in broiler feed is limited due to high fibrous material contributed mainly by dirt and shell exceeding 6. The fibrous component consists of mainly insoluble mannosebased polysaccharides which is not suitable for monogastric animals such as poultry and swine. This study highlights the development of a pre-cleaning system consisting of three-stage winnowing columns to reduce the shell content in kernel by less than 4 prior to oil extraction. In this study the palm kernels received from 21 palm oil mills were subjected to dirt and shell content analysis. To produce palm kernel with low shell content the pre-cleaning system was optimised. Further analysis on nutrient values was also carried out for premium grade PKC produced also known as Purafex from the clean kernels of low shell content (4) after pre-cleaning. A feeding trial was carried out to study the effect of different Purafex inclusion in the dietary treatment on the broilers performance. Results showed that the dirt and shell contents in the kernels varied from 3.48-5.18. The nutrient values and quality of Purafex conformed to that of standard specifications by Malayan Edible Oil Manufacturers Association (MEOMA). Reduction of shell and fibre in kernel reduces the crude fibre in Purafex from 15 to 12 which is far below the fibre in commercial PKC thus making it digestible for monogastric animals. Better performance in terms of body weight gain (BWG) and feed intake (FI) were exhibited when 15-30 Purafex were included in feeding trials compared to those of 45 inclusion.

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Abstract

The use of palm kernel cake (PKC) in broiler feed is limited due to high fibrous material contributed mainly by dirt and shell exceeding 6. The fibrous component consists of mainly insoluble mannosebased polysaccharides which is not suitable for monogastric animals such as poultry and swine. This study highlights the development of a pre-cleaning system consisting of three-stage winnowing columns to reduce the shell content in kernel by less than 4 prior to oil extraction. In this study the palm kernels received from 21 palm oil mills were subjected to dirt and shell content analysis. To produce palm kernel with low shell content the pre-cleaning system was optimised. Further analysis on nutrient values was also carried out for premium grade PKC produced also known as Purafex from the clean kernels of low shell content (4) after pre-cleaning. A feeding trial was carried out to study the effect of different Purafex inclusion in the dietary treatment on the broilers performance. Results showed that the dirt and shell contents in the kernels varied from 3.48-5.18. The nutrient values and quality of Purafex conformed to that of standard specifications by Malayan Edible Oil Manufacturers Association (MEOMA). Reduction of shell and fibre in kernel reduces the crude fibre in Purafex from 15 to 12 which is far below the fibre in commercial PKC thus making it digestible for monogastric animals. Better performance in terms of body weight gain (BWG) and feed intake (FI) were exhibited when 15-30 Purafex were included in feeding trials compared to those of 45 inclusion.

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Item Type:	Article
AGROVOC Term:	Palm kernel cake
AGROVOC Term:	Broilers
AGROVOC Term:	Stand improvement
AGROVOC Term:	Feeding level
AGROVOC Term:	Cleaning
AGROVOC Term:	Quality controls
AGROVOC Term:	Research scientists
AGROVOC Term:	producer organizations
AGROVOC Term:	Farmers
AGROVOC Term:	Production increase
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:55
URI:	http://webagris.upm.edu.my/id/eprint/10253

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