Effects of Patchouli essential oil on growth performance,immune function,and antioxidant capacity of 1～21 days old White feather broilers
The experiment aimed to study the effects of Patchouli essential oil(PEO)on the growth performance,immune function,and antioxidant capacity of White-feathered broiler chicks.A total of 540 healthy one-day-old male Arbor Acres broilers with similar body weights were randomly divided into three groups,with six replicates per group and 30 chicks per replicate.Group A was fed a basal diet,Group B was fed a basal diet+200 mg/kg PEO,and Group C was fed a basal diet+400 mg/kg PEO.The experimental period was 21 days.The results showed that compared to Group A,the average daily weight gain,average daily feed intake,final weight,and serum high-density lipoprotein levels in broilers of Group B and Group C were significantly increased(P＜0.05),while the feed conversion ratio and serum activities of glutamic-pyruvic transaminase and glutamic-oxaloacetic transaminase were significantly reduced(P＜0.05),and the serum low-density lipoprotein levels were significantly decreased(P＜0.05).Compared to Group A,the levels of complement C3,C4,and the interleukin-10 in the serum of broilers in Group B and Group C were significantly increased(P＜0.05),while the content of interleukin-6 was significantly reduced(P＜0.05).Compared to Group A,the activities of superoxide dismutase,glutathione peroxidase,catalase,and total antioxidant capacity in the serum of broilers in Group B and Group C were significantly enhanced(P＜0.05),and the indices of the spleen index,thymus index,and bursa of Fabricius index were significantly increased(P＜0.05),while the content of malondialdehyde in the serum was significantly decreased(P＜0.05).The study indicates that the addition of 200 mg/kg and 400 mg/kg PEO to the feed can effectively improve the growth performance,immune function,and antioxidant capacity of White feathered broiler chicks aged 1 to 21 days.The effect of 400 mg/kg PEO is better.
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