Comparison of the performance between three strains of broiler chicks in Iran

Document Type : Research Paper

Authors

1 Professor, Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran

2 Associate Professor, Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran

3 DVM Graduated from Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran

Abstract

In order to compare performance in three commercial broiler strains, 36ooo day-old broiler chicks Hubbard f15, Cobb-500 and Ross308, were divided into 3 equal groups with 2 replicates and 6000 birds per replicate. The birds were reared under similar conditions from 1 day-old to 49 days of age. The performances of birds including weight gain, feed intake, feed conversion ratio (FCR), livability and flocks production index were measured. Results showed that there was significant differences in weekly weight gain among hybrids (p < 0.05), and the weight of Hubbard F15 was higher than others till the end of 49 days, while cobb500 had the lowest weight gain. Birds feed intake during experiment period was significantly different (p < 0.05) and Hubbard F15 had the lowest feed intake and Cobb500 had the highest feed intake. Feed conversion ratio between birds was significantly different (p < 0.05) and Hubbard F15 had the lowest FCR while cobb500 had the highest. There was significant differences in livability ratio among the hybrids, The lowest mortality rate in the trial was recorded in Hubbard genotype (p<0.05). There was significant differences in production index and Hubbard F15 had the highest production index while cobb500 had the lowest one.

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Iranian Veterinary Journal
Volume 13, Issue 4 - Serial Number 57
February 2018
Pages 100-108

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