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植物乳杆菌Saccharomy cescerevisiae P13对大黄鱼的促生长作用研究

Study on the Growth-promoting Effect of Pseudosciaena crocea with Saccharomyces cerevisiae P13
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摘要 [目的]研究植物乳杆菌Saccharomyces cerevisiae P13对大黄鱼生长和抗病能力的影响.[方法]用合0、104、106、108、1010cfu/kg植物乳杆菌Saccharomyces cerevisiae P13含量的饲料喂养大黄鱼4周后,测定大黄鱼的体重增长率、饲料转化率和感染病菌后的存活率.[结果]大黄鱼后肠中的Saccharomyces cerevisiae P13菌数量在喂食过程中显著增加,含106~1010 cfu/kg Saccharomyces cerevisiae P13的配方饲料明显促进了大黄鱼的体重增长率和摄食率.喂食含106~ 1010cfu/kg Saccharomyces cerevisiae P13的配方饲料后大黄鱼对Streptococcus sp.的抵抗力明显增强.[结论]植物乳杆菌Saccharomyces cerevisiae P13能促进大黄鱼生长,并增强大黄鱼的抗病力. [Objective] The research aimed to study the effects of Saccharomyces cerevisiae P13 on the growth and disease resistance of Pseudosciaena crocea.[Method]P.crocea was fed with the diet containing 0、104、106、10s or 1010 cfu/kg Saccharomyces cerevisiae P13 for four weeks.And the increase rate of weight gain,feed conversion rate and survival rate of P.crocea after infecting Streptococcus sp.were determined.[Result] The amount of Saccharomyces cerevisiae P13 in the hindgut of P.crocea obviously increased during the feeding process.The increase rate of weight gain and intake rate of P.crocea were obviously promoted after feeding with the formula diet containing 106 ~ 1010 cfu/kg Saccharomyces cerevisiae P13.The resistance of P.crocea to Streptococcus sp.was significantly enhanced after P.crocea was fed with the formula diet containing 106-1010 cfu/kg Saccharomyces cerevisiae P13.[Conclusion] Saccharomyces cerevisiae P13 could promote the growth of P.crocea and enhance its disease resistance.
出处 《安徽农业科学》 CAS 2013年第26期10650-10652,共3页 Journal of Anhui Agricultural Sciences
基金 浙江省科技厅社会公益项目(2012C33077) 浙江省平阳县科技局项目(AS201003Z2)
关键词 益生菌 SACCHAROMYCES CEREVISIAE P13 大黄鱼 生长 Probiotics Saccharomyces cerevisiae P13 Pseudosciaena crocea Growth
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