Abstract

The present study aimed to evaluate the effects of fermentation products of Cordyceps militaris (FPCM) on growth performance and tibia mineralization of broiler chicks. A total of 240 one-day-old female Ross 308 broilers were allotted into four treatments with six cages of 10 chicks each. Four diets were the control diet supplemented with 0, 1, 2 and 4 g/kg of FPCM, respectively. Compared with the control, supplementation of 1 g/kg FPCM improved body weight gain of broilers from 22 to 42 days of age and from 1 to 42 days of age (P < 0.05); 4 g/kg of FPCM enhanced the feed intake of 22- to 42-day-old and 1- to 42-day-old chicks (P < 0.05). Addition of 2 g/kg FPCM increased tibia calcium (Ca) content of broilers at 21 and 42 days (P < 0.01). FPCM did not affect serum biochemical parameters (P > 0.05). These data indicate that FPCM had positive effects on growth performance of broiler chicks and the optimal dietary FPCM level was 1 g/kg in chicks from 1 to 42 days of age.

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