酿酒酵母对黑带丽体鱼（Amatitlania nigrofasciata）存活率和生长性能的影响。
Effects of Saccharomyces cerevisiae on survival rate and growth performance of Convict Cichlid (Amatitlania nigrofasciata).
作者信息
Mohammadi F, Mousavi S M, Ahmadmoradi E, Zakeri M, Jahedi A
机构信息
Graduated from Faculty of Marine Natural Resources, Khorramshahr University of Marine Science and Technology, Khorramshahr, Iran;
Department of Fisheries, Faculty of Marine Natural Resources, Khorramshahr University of Marine Science and Technology, Khorramshahr, Iran;
出版信息
Iran J Vet Res. 2015 Winter;16(1):59-62.
Using probiotics can control pathogens by a variety of mechanisms. Probiotics can promote growth performance and have, therefore, become increasingly important in the aquaculture industry. Convict Cichlid belongs to the family of Cichlidae and is known for its rapid development in laboratory conditions and is suitable for behavioral examinations. The aim of this study was to evaluate the effects of Saccharomyces cerevisiae on growth performance, survival rate and body composition of Convict Cichlids (Amatitlania nigrofasciata). One hundred sixty eight Convict Cichlids (mean weight: 2.1 ± 0.12 g and mean length: 2.2 ± 0.05 cm) were fed by commercial diets with different concentrations of S. cerevisiae (0, 0.5%, 1%, 2%). At the end of the experiment, survival rate and growth indices were measured. Based on the results, growth performance significantly increased with probiotic, S. cerevisiae, specially, at the 2% probiotic level of concentration. In the present study, the best FCR (feed conversion rate), SGR (specific growth rate), CF (condition factor) and BWG (body weight gain) values were observed in a 2% concentration of S. cerevisiae. The results suggest that this yeast could improve feed utilization in this fish species.
使用益生菌可通过多种机制控制病原体。益生菌能够促进生长性能，因此在水产养殖业中变得越来越重要。 convict丽鱼属于丽鱼科，以在实验室条件下快速生长而闻名，适合进行行为学检查。本研究的目的是评估酿酒酵母对convict丽鱼（黑带丽体鱼）生长性能、存活率和身体组成的影响。168条convict丽鱼（平均体重：2.1±0.12克，平均体长：2.2±0.05厘米）被投喂含有不同浓度酿酒酵母（0%、0.5%、1%、2%）的商业饲料。在实验结束时，测量存活率和生长指标。基于结果，使用益生菌酿酒酵母后生长性能显著提高，特别是在2%的益生菌浓度水平下。在本研究中，在2%浓度的酿酒酵母中观察到最佳的饲料转化率（FCR）、特定生长率（SGR）、肥满度（CF）和体重增加（BWG）值。结果表明，这种酵母可以提高该鱼类的饲料利用率。
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