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Performance Study of Non-descript, Hilly and Naked Neck Indigenous Chicken at Fifth Generation

S Faruque
Bangladesh Livestock Research Institute, Savar-1341, Dhaka

AKFM Bhuiyan
Department of Animal Breeding and Genetics, Bangladesh Agricultural University, Mymensingh-2202

MOA Rahman
Bangladesh Livestock Research Institute, Savar-1341, Dhaka

MSK Sarker
Bangladesh Livestock Research Institute, Savar-1341, Dhaka

NR Sarker
Bangladesh Livestock Research Institute, Savar-1341, Dhaka; Department of Animal Breeding and Genetics, Bangladesh Agricultural University, Mymensingh-2202

Abstract/ Executive Summary:

The present study was conducted at Bangladesh Livestock Research Institute, Savar, Dhaka to assess the performances of three Indigenous Chicken genotypes under intensive management. A total of 1128-day-old chicks comprising of 3 types of chicken namely Naked Neck (NN), Hilly (H) and Non-descript Deshi (ND) were hatched in one batch for this study. Significant (p<0.001) body weight differences among the genotypes were observed at 12th and 16th weeks of age, with the highest body weight observed for H genotype (1250.71±27.71, and 1502.54±36.81g) among the other two genotypes. NN genotype (2.85%) had significantly higher chick mortality than ND (0.68 %) and H (2.08 %) genotypes at 0-8 weeks of age. The age at first egg laid was significantly (p<0.001) affected by genotype. The age at which Indigenous Chickens start laying eggs ranged from 152.79 to 161.95 days. The Hen-day egg production (HDEP%) observed in the present study were affected significantly (p<0.001) by genotype. In this study, the average HDEP% of ND, H and NN were found to be 38.44±2.18, 30.43±2.10 and 41.95±2.11. Eight week body weight of males ND, H and NN birds were expected to increase by 64.7, 46.1 and 43.9g, respectively. While in females ND, H and NN birds, the expected responses were 21.5, 27.9 and 10.7g, respectively

Keywords: Native chicken, Performance, Genotype, Generation

Location: Bangladesh Livestock Research Institute, Savar, Dhaka

Start Date: 00-00-2014

End Date: 00-00-2015

Program Area: Variety and Species

Commodity: Chicken

Objectives:

To evaluate the performances of 3 genotypes of indigenous chicken under intensive management system.

Methodology:

The experiment was conducted in BLRI poultry research farm during the year 2014 to 2015. A total of 1128-day-old chicks comprising of 3 types of indigenous chicken namely Naked Neck (NN-268), Hilly (H-353) and Non-descript Deshi (ND-507) were hatched in one batch to produce fifth generation (G5). Progeny were wing banded and reared separately according to genotypes. The birds were housed in an open sided semi gable type roof with concrete floor. Fences were made from galvanizing wire net. The adult birds were reared in a cage individually. Each cage was equipped with an individual feeder and drinker. All the birds were reared in a natural-ventilated poultry house and a 16h photoperiod with 12h sunlight and 4h artificial lights. The ingredients used to prepare diet were maize, rice polish, soya bean meal, protein concentrates and synthetic methionine and lysine. A premix containing trace minerals and vitamins were mixed with all diets. Also, common salt and Di-calcium Phosphate (DCP) were added to the diets. Concentrate mixtures that contain 20.06% Crude Protein & 2908 Kcal ME/kg DM; 18.13% Crude Protein & 2904 Kcal ME/kg DM and 16.33% Crude Protein & 2845 Kcal ME/kg DM were provided twice daily in the morning and evening during brooding, growing and laying period, respectively. Water was also provided adlibitum twice daily in the morning and evening. Drinkers were cleaned everyday where feeders were cleaned twice in a week. Refusals of the feed were measured everyday in the morning. Performance of NN, H and ND were evaluated by measuring their i) laying performance (hen-day egg production, hen-house egg production, egg weight and age at first laying), ii) hatching performance (fertility and hatchability) and iii) growth performance (weekly body weight and mortality). The selection objectives of the study were to improve the egg production and / or growth rate of Indigenous chicken depending on the genotype of birds. Improvement target of egg weight is to increase by 1 g, improvement target of egg production rate is to increase by 2% per generation and improvement target of growth rate is to increase by 20 g per generation. In each generation, selection was practiced in two stages. Firstly, at 8 weeks of age, selection was performed on the basis of body weight and physical appearance and secondly, at 40 weeks of age on the basis of an index comprising the following parameters. All recorded data were analyzed by Generalized Linear Model (GLM) procedure using SPSS 11.5 for Windows (SPSS, 1998). For all statistical purposes the theory of Snedecor and Cochran (1989) were followed. The present data used in the study were from three different genotypes and the structures of data were unbalanced. The number of birds varied from class to class and subclass to subclass. Hence, it confirmed the characteristics of a non-orthogonal factorial experiment. To take this situation into account the data were analyzed by factorial arrangement in a CRD by General linear Model (GLM) Univariate Procedure in SPSS Computer Program.

Source of Information: Bangladesh J. of Livestock Res. 21-25: 153-158, 2018

Article Link (Online Journal): DOI: https://doi.org/10.3329/bjlr.v0i0.45458

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

In conclusion, it may be stated that Hilly chicken genotype can be chosen for meat production and Naked Neck genotype for egg production. For further improvement selection should be continued.

Knowledge Management: Journal