Nigeria Agricultural Journal

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Dietary inclusion of direct fed microbe on the growth performance of broiler birds

D.N Onunkwo


A study was conducted using one hundred and twenty day-old Ross 308 broiler  chicks to evaluate the dietary inclusion of direct fed microbes on the growth  performance. The birds were obtained from a reputable hatchery and randomly  assigned to four dietary treatments, each with three replicate of ten birds. The  treatments were T1, T2, T3 and T4, the levels of inclusion of direct fed microbes  (DFM) were 0%, 2.5%, 5.0% and 7.5% respectively. The birds were assigned to  these diets, feed and water was given ad libitum throughout the duration of the experiment which lasted for 56 days. The experimental design was Completely Randomized Design (CRD). Data were collected daily and weekly to show the growth performance of the broilers. The results show that the growth performance of the broiler chicken fed diet containing different level of direct fed microbes did not differ significantly (P>0.05) in initial weight, final weight, daily weight gain, daily feed  intake and feed conversion ratio at the 0%, 2.5%, 5.0% and 7.5% respectively. From the result it could be concluded that birds fed diet 2 performed better as they compete favourably with the control.

Keywords: Direct Fed Microbe, Growth Performance and Broiler birds

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