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Effect of Diets of Different Protein Concentrations on Indigenous Growing Chicks of Bangladesh in Confinement

M. Yousuf Miah
Department of Poultry Science, Sylhet Agricultural University, Sylhet, Bangladesh.

Sachchidananda Das Chowdhury
Department of Poultry Science, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh.

A. K. Fazlul Haque Bhuiyan
Department of Animal Breeding and Genetics, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh.

Abstract/ Executive Summary:

An experiment was conducted to evaluate the effect of diets varying in protein concentrations on indigenous (desi) growing chicks reared under confinement system. The feeding trial was conducted with 144 indigenous female (desi) growing chicks during 12-22 weeks of age. The birds were divided into four dietary treatments each of three replications and reared on littered floor in an open-sided house. The number of birds in each replication was 12. Four iso-nitrogenous grower diets differing in protein contents were formulated to constitute dietary treatments. Diets for comparison were: control (a mixture of broken rice, rice polish, protein concentrate etc); low protein density (LPD): CP 15%; moderate protein density (MPD): CP 17% and high protein density (HPD): CP 19%. Metabolizable energy was maintained 2700 kcal/kg in every diet. The contents of CP, ME, calcium (Ca) and total phosphorous in MPD diet were fitted with the requirements calculated on the basis of BIS (Bureau of Indian Standard). Diets were formulated using locally available feed stuffs. Body weight and feed intake of the birds were recorded weekly. The results indicated that body weight and weight gain increased significantly in birds that received MPD diets in comparison with those received the other diets. Feed conversion ratio decreased significantly in all protein diets in comparison with the control. It is concluded indigenous (desi) female chicks may achieve up to 1.1kg body weight at 22 weeks of age when 17% CP is fed in a 2700 kcal ME/kg diet.

Keywords: Indigenous growing chicks; Bangladesh; Protein requirement; Confinement

Location: Animal Nutrition Laboratory, Department of Livestock Services (DLS) and Department of Poultry Science, Bangladesh Agricultural University, and Institute of Food Science and Technology of B.C.S.I.R

Start Date:

End Date:

Program Area: Animal Health and Management

Commodity: Chicken

Objectives:

1. To determine responses of indigenous (desi) growing chicks to least-cost diets of different protein density formulated with a few unconventional feed ingredients and

2. To determine appropriate protein levels required in the diet to accelerate growth.

Methodology:

One hundred and forty four female chickens of 12 weeks old were divided into 4 dietary treatments for this study and reared on littered floor in an open sided house. The experimental house was partitioned in a way similar to experiment 1. Four iso-caloric (2700 ME kcal/kg) grower diets differing in protein contents were formulated for conducting the feeding trial. The diets were; conventional diet (CD): broken rice 65%+ rice polish 31% + PC 1%, low protein density (LPD): CP 15%, moderate protein density (MPD): CP 17% and high protein density (HPD): CP 19%. Experimental diets are shown. The contents of CP, ME, calcium (Ca) and total phosphorous in MPD (CP 17%) diet were fitted with the requirements calculated on the basis of Bureau of Indian Standard (BIS). The chemical analyzes of different feed ingredients were carried out by following standard methods. Proximate components, calcium (Ca) and total phosphorous (P) of those ingredients were determined in the Animal Nutrition Laboratory, Department of Livestock Services (DLS) and in the Department of Poultry Science, Bangladesh Agricultural University. Calcium and total P were determined by atomic absorption and spectrophotometer. Amino acids were determined by amino acid analyzer at the Institute of Food Science and Technology of B.C.S.I.R (Bangladesh Council for Scientific and Industrial Research) Laboratory in Dhaka. The analysis was repeated when data for any ingredient were found to be confusing. Feed and water were supplied adlibitum throughout the experimental period. Data on growth performance were recorded up to the point of lay. Data were analyzed statistically using analysis of variance (ANOVA) in a completely randomized design (SAS, statistical software).

Source of Information: Asian J. Med. Biol. Res. 2015, 1(1), 109-113, ISSN: 2411-4472.

Article Link (Online Journal): www.ebupress.com/journal/ajmbr

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The results indigenous female growing chicks (12-22 weeks) of Bangladesh would require a protein density 17% in the diet to optimize feed intake and growth rate. However, this result will have to be confirmed under rural condition where supplemental feeding could be practiced in addition to scavenging, thus saving the cost of feed.

Knowledge Management: Journal