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International Journal of Poultry Science

.: Home > International Journal of Poultry Science > 2013 > Volume 12 Number 5 > Etalem Tesfaye, Getachew Animut, Mengistu Urge and Tadelle Dessie

Cassava Root Chips as an Alternative Energy Feed Ingredient in Broiler Ration

Etalem Tesfaye, Getachew Animut, Mengistu Urge and Tadelle Dessie
Debre Zeit Agricultural Research Center, P.O. Box 32, Debre Zeit, Ethiopia, 1 School of Animal and Range Sciences, Haramaya University, P.O. Box 138, Dire Dawa, Ethiopia 2 International Livestock Research Institute, Addis Ababa, Ethiopia
Abstract :

A total of 300 day-old Hubbard Classic broiler chicks with initial body weight (BW) of 43.6±1.33 (mean±SD) were randomly and equally distributed into 15 pens, representing five feeding treatments with three replication per treatment to evaluate the performance of chicks fed varying dietary levels of cassava root chips (CRC) replacing corn grain (CG). Treatments were replacement of CG with CRC at 0 (T1), 25 (T2), 50 (T3), 75 (T4) and 100% (T5) levels. Isocaloric and isonitrogenous starter and finisher rations were used. Four birds 2 from each sex were randomly taken from each replication and slaughtered for carcass evaluation at the end of the study. The metabolizable energy content of CRC and CG were 3852 and 3753 kcal/kg dry matter (DM), respectively. Daily DM intake during the entire experimental period ranged 61 to 67 g/bird and was greater (P<0.05) for T5 than T3 and T4, while values for T1 was similar with other treatments. Change in BW, daily BW gain and DM conversion efficiency were similar (P>0.05) among treatments. Replacement of CRC for CG at higher levels (75 and 100%) lowered (P<0.05) yield of most carcass parameters such as slaughter weight, dressed weight, eviscerated weight, breast weight, thigh weight, drumstick weight and giblet weight. The same carcass parameters were greater (P<0.05) for male than female birds but abdominal fat percentage was higher for females. In conclusion, based on DM intake and growth performance of broilers obtained in this study, CRC could completely replace corn grain in broiler diets as energy feed ingredient. However, looking on the results of yields of major carcass parameters, CRC should substitute corn grain not more than 50%.

Keywords :
Broiler, carcass, cassava root chips, intake

Date Deposited : 18 Mar 2015 10:29

Last Modified : 18 Mar 2015 10:29

Official URL: http://www.pjbs.org/ijps/back.htm

Volume 12, Number 5, - 2013 , ISSN 1682-8356

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