›› 2015, Vol. 42 ›› Issue (11): 3056-3064.doi: 10.16431/j.cnki.1671-7236.2015.11.034

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Effect of Areca Nut Extract on Blood Indexes and Anticoccidial Efficacy of Chickens Infected with Eimeria tenella

LI Wei1,2, ZHOU Lu-li2, WANG Ding-fa2, ZHOU Han-lin2, HU Lin1,2, ZHANG Ya-ge1,2, LI Qiong2   

  1. 1. College of Agriculture, Hainan University, Haikou 570228, China;
    2. Tropical Crops Genetic Research Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou 571737, China
  • Received:2015-05-14 Online:2015-11-20 Published:2015-11-26

Abstract: The present study was conducted to evaluate the effect of areca nut extract on blood indexes and anticoccidial efficacy of chickens infected with Eimeria tenella.270 Wenchang chickens at 1 day-old were randomly divided into six groups,which were non-infected control group,negative control group,positive control group and areca nut groups 1,2 and 3.Areca nut groups 1,2 and 3 were fed the basal diets supplemented with 200,400 and 600 mg/kg areca nut extract powder throughout the experiment,respectively,while three control groups only fed the basal diets.At 15 days of age,30 chickens from each group that had similar weight except non-infected control group were inoculated with an oral dose of a normal saline mixture of 1×105 sporulated oocysts (1 mL/head).The results showed as follows:①On post-inoculation days 6 and 9,in contrast with non-infected control group and positive control group,blood RBC,Hb and PCV in areca nut groups 1,2 and 3 and negative control group were decreased.②Compared with non-infected control group,the contents of serum TP,ALB and GLB in positive control group and areca nut group 1 were increased on post-inoculation days 3 and 9;On day 9 post-inoculation,the ALT content in serum of areca nut groups 2 and 3 were significantly decreased than that of non-infected control group and positive control group (P<0.05),the serum UA content of areca nut group 1 was significantly decreased than that of negative control group,positive control group and areca nut group 2 and 3 on day 9 post-inoculation (P<0.05);On day 6 post-inoculation,the serum Na+ and Cl- concentrations of negative control group were significantly decreased than that of non-infected control group and positive control group (P<0.05),there were no significant differences in the Na+ and Cl- concentrations among areca nut group 1 and three control groups (P>0.05).③The ACI of areca nut groups 1,2 and 3 were 128.48,126.53,141.11,respectively.In conclusion,200,400 and 600 mg/kg areca nut extract powder which were added to basal diet had middle anticoccidial effect.In addition,200 and 400 mg/kg areca nut powder could maintain the normal Na+ and Cl- concentrations in serum and reduce the liver injury of chickens infected with Eimeria tenella.

Key words: areca nut extract; Eimeria tenella; blood indexes; chicken; ACI

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