Comparism Of Growth Performance Of Local, Hybrid And Exotic Chickens On Different Management Systems At Njala University Sierra Leone West Africa
Volume 5 - Issue 8, August 2022 Edition
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Author(s)
Sanpha Kallon, Abdul Rahman Sesay, Saidu Kanu, Foday .Y. Koroma
Keywords
Exotic breed, FCR, Hybrid, Local breed
Abstract
This research was conducted using local breed of chickens, exotic breed (Bovan gold line) and hybrid. These breeds reared under traditional and modern husbandry systems. The research focused on attributes such as mortality, weight gain and feed conversion efficiency. The result of the experiment revealed that in the first week of free range management, the hybrid cross out-performed (930.10g) the exotic breed (900.10g) in weight gain. However, on the 20th day under the caged management system, the Exotic out-performed the Hybrid cross with weight gains of 2190g (Exotic) and 1955g (Hybrid), and under the deep Litter system of management with weight gains of 2155g (Exotic) and 1950g (Hybrid), respectively. During the first week of management under the caged management system the FCR of the local breed (1.93) was better than that of Exotic breed (2.0) and the hybrid cross (2.29). However, at the end of the third week, the FCR of the Exotic (4.8) was far better than the Local breed (6.83) and the hybrid Cross (5.24). Under the deep Litter system of management, the FCR of the Exotic Breed (4.87) at the end of the experiment was better than that of Hybrid cross (5.39) and Local breed (6.89). The higher the FCR the poorer the performance of the birds. The mortality for the Exotic breed under the free range management system was 48% compared with 16% for Local breeds except in the deep litter management where a similar (4%) mortality rate was experienced for each breed. It was therefore concluded that a hybrid F1 (Local x Bovan Gold line) was developed with promising performance characteristics with respect to improve weight gain as demonstrated by improved FCR and mortality especially under the caged and deep litter systems of management.
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