This study aimed to explore the effects of fermented feed on growth performance,blood immunoglobulin and antioxidant indices of goats. A total of 72 crossbred Boer goats [(17.45 ± 0.46)kg average BW] were blocked by weight and allotted to three treatments with six replicated of four goats. The basis concentrate of three treatments were same,and roughages were air-dried(control group),ensiled(treatmentⅠ)or microorganism fermented(treatmentⅡ)corn stalk. The experiment lasted 75 d,including 15 d for adaption and 60 d for formal test. The results showed that the average daily gain in treatmentⅠand treatmentⅡwere higher than the control group(P<0.05),and the average daily gain in treatmentⅡ were greater than treatment Ⅰ(P < 0.05). The serum IgG and IgM contents in treatment Ⅱ were greater than the control group and treatment Ⅰ(P < 0.05). Compare to the control group,the treatment Ⅰ and treatment Ⅱ exhibited higher superoxide dismutase activity and lower malondialdehyde content(P<0.05). And the total antioxidant capacity,glutathione peroxidase activity and catalase activity in treatmentⅡwere higher than the control group(P<0.05). In conclusion,the fermented feed can improve the growth performance,immune function and antioxidant ability of goats.
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