Effect on survival and growth (weight and length) of Ambystoma Mexicanum (Shaw Y Nodder, 1798) of three probiotics obtained from their gastrointestinal tract

Scientific Journal of Animal Science Pub Date : 2015-01-25 DOI:10.14196/SJAS.V4I1.1816

M. D. Carmen, C. Jorge, Debra Ramon, Castro-Mejía Germán, Arana-Magallón Carlos Fernando, Ocampo-Cervantes José Antonio

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引用次数: 3

Abstract

The effect of probiotic strains (Lactococcus lactis; Lactobacillus sp and Bacillus subtilis), isolated from the intestinal tract of Ambystoma mexicanum on survival and growth of this amphibian was evaluated. 120 larvae with a weight of 3.0 ± 0.26 g and length of 1.5 ± 0.62 cm, were fed with probiotic strains (107 CFU mL-1) bioencapsulated in Artemia franciscana metanauplii. Diets were handled in triplicates (10 organisms per beaker) during 60 days. Every 15 days were measured and weighed to obtain the intrinsic growth rate (IGR) and absolute growth rate (AGR). Analysis of variance and Condition Factor was performed. Organisms that obtained a higher weight and length were fed with B. subtilis (5.86 ±0.42 g; 4.56 ±0.27 cm). Diets with L. lactis and B. subtilis presented the best Condition Factor (KM). Variance analysis showed significate differences (P<0.001) between all treatments. Axolotls fed with probiotics presented survival <85%, while control was 60%.

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从墨西哥Ambystoma Mexicanum (Shaw Y Nodder, 1798)胃肠道中获得的三种益生菌对其生存和生长(体重和长度)的影响

益生菌(乳酸乳球菌;研究了从墨西哥Ambystoma mexicanum肠道分离的乳杆菌(Lactobacillus sp)和枯草芽孢杆菌(Bacillus subtilis)对该两栖动物的生存和生长的影响。以120只体重为3.0±0.26 g、体长为1.5±0.62 cm的幼虫为研究对象，投喂被生物包封的微囊益生菌菌株(107 CFU mL-1)。在60天内，将饲料分成3份处理(每个烧杯10个微生物)。每隔15 d进行测量和称重，获得内在生长率(IGR)和绝对生长率(AGR)。进行方差分析和条件因子分析。获得较高体重和长度的生物喂食枯草芽孢杆菌(5.86±0.42 g;4.56±0.27 cm)。乳杆菌和枯草芽孢杆菌的条件因子(KM)最佳。方差分析显示各处理间差异有统计学意义(P<0.001)。喂食益生菌的蝾螈存活率<85%，而对照组为60%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Scientific Journal of Animal Science

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