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Growth Performance of Three Broiler Strains in Winter Seasons in Bangladesh

Md. Rokonuzzaman
Department of Animal Husbandry and Veterinary Science, Faculty of Agriculture, University of Rajshahi, Rajshahi-6205, Bangladesh.

Syed Sarwar Jahan
Department of Animal Husbandry and Veterinary Science, Faculty of Agriculture, University of Rajshahi, Rajshahi-6205, Bangladesh.

Md. Shawkat Ali
Department of Poultry Science, Faculty of Animal Husbandry, Bangladesh Agricultural University, Mymensingh-2200, Bangladesh.

Md Akhtarul Islam
Department of Poultry Science, Faculty of Animal Husbandry, Bangladesh Agricultural University, Mymensingh-2200, Bangladesh.

Md. Shariful Islam
Department of Poultry Science, Faculty of Animal Husbandry, Bangladesh Agricultural University, Mymensingh-2200, Bangladesh.

Abstract/ Executive Summary:

This study was conducted with a total number of 135 day old broiler chicks were collected from the two breeding hatcheries in Bangladesh. The chicks were placed in an open poultry shed and exposed in winter season. There were three strains Cobb-500, Hubbard Classic and Arbor Acres, 45 of each strain divided 3 groups with 3 replications 15 broilers per pen. The feed intake at first and third weeks of age revealed that highly significant difference (P<0.001) in Cobb-500, Hubbard Classic and Arbor Acres in winter season. There was no significant difference (P>0.05) in live weight among the three broiler strains in winter season. In third weeks the significant difference (P<0.01) also observed body weight gain. The feed conversion ratio (FCR) of three broiler strains at first and third weeks of age in winter season were highly significant (P<0.001). There were no significant difference (P>0.05) of mortality. The dressing percentage differed highly significant (P<0.001) in winter at fourth weeks of age. It’s concluded that Hubbard Classic may perform the best in winter than Cobb-500 and Arbor Acres due to dressing yield. Arbor Acres of the later two strains may also be recommended for commercial production on the basis of FCR.

Keywords: Growth, Performance, Broiler, Winter, Bangladesh.

Location: Two different breeding hatcheries in Bangladesh

Start Date:

End Date:

Program Area: Animal Health and Management

Commodity: Chicken

Objectives:

To compare the production performance of different broiler strains in Bangladesh and to evaluate the suitable broiler strains in winter season.

Methodology:

A total of 135 day old broiler chicks were collected from the purchasing outlets of two different breeding hatcheries in Bangladesh. The chicks were placed in an open shed house and exposed to two different environmental temperature and humidity in winter season. Chicks as hatched broilers belonging to 3 strains Cobb-500, Hubbard Classic and Arbor Acres, 45 of each strain were reared in winter season; with 3 replications 15 broilers per pen. During the whole experimental period broilers were exposed to a continuous lighting regime, 23 hours of light and 1 hour of darkness per day. Rice husk were used as a litter at a depth of 7 cm for all the pens. A floor space of 0.97 square ft. /bird was allocated. Data on weekly average feed intake, live weight, weekly body weight gain, mortality, FCR, dressing% and daily environmental temperature and humidity were taken. Broilers were slaughtered at the end of 28 days. Aftab poultry feed was provided to all the birds. Feeds were provided up to 28 days to make a comparison on their production performances but it was measured by electric balance throughout the experimental period. Broiler starter was fed for 0-2 wks and grower for 3-4 wks of age. It was supplied 4/5 times up to 2 weeks and then 3/4 times in a day. Every morning, feeding measurement was calculated to detect the feed intake. The feed was supplied in tray feeders up to 1 week and then on round plastic trough feeders. The feed consumed by the birds in each replication was recorded per day to detect weekly feed intake. Then the average feed consumption per bird was determined. The feed conversion ratio (FCR) was calculated and recorded by dividing the total feed consumed per bird by average body weight gain.

Feed Intake (g/bird) = Feed consumption in a treatment/ No. of birds in a treatment

Feed Conversion Ratio (FCR) = Feed intake (kg)/ Weight gain (kg)

Mortality (%) = (No. of birds died/No. of birds starting) x 100

The experimental data were analyzed statistically using analysis of variance (ANOVA) technique using SPSS Version 16.00 statistical package program in accordance with the principle of Completely Randomized Design. Significant difference among the treatments was identified using Dunkan’s New Multiple Range Test. The dressing yield parameters were converted to the percentage of their respective body weight for statistical analysis.

Source of Information: International Journal of Agricultural Policy and Research Vol.3 (7), pp. 308-313,July 2015 ISSN 2350-1561

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 250000

Total Budget (Tk.) :

Achievement/Findings:

In third weeks the significant difference (P<0.01) also observed body weight gain. The feed conversion ratio (FCR) of three broiler strains at first and third weeks of age in winter season were highly significant (P<0.001). There were no significant difference (P>0.05) of mortality. The dressing percentage differed highly significant (P<0.001) in winter at fourth weeks of age. It’s concluded that Hubbard Classic may perform the best in winter than Cobb-500 and Arbor Acres due to dressing yield. Arbor Acres of the later two strains may also be recommended for commercial production on the basis of FCR.

Knowledge Management: Journal