Multi-species probiotics enhance survival,growth,intestinal microbiota and disease resistance of rohu(Labeo rohita)larvae
作者机构：Laboratory of Fish EcophysiologyDepartment of Fisheries ManagementBangladesh Agricultural UniversityMymensingh2202Bangladesh Department of AquacultureBangladesh Agricultural UniversityMymensingh2202Bangladesh Department of FisheriesMatshoy BhabanDhakaBangladesh Department of Fisheries Biology&Aquatic EnvironmentBangabandhu Sheikh Mujibur Rahman Agricultural UniversityGazipur1706Bangladesh Department of Agricultural SciencesFaculty of Agro-Based IndustryUniversiti Malaysia KelantanJeli Campus17600JeliKelantanMalaysia
出 版 物：《Water Biology and Security》 (水生生物与安全（英文）)
年 卷 期：2024年第3卷第1期
页 面：71-79页
学科分类：0710[理学-生物学] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 1002[医学-临床医学] 0908[农学-水产] 100214[医学-肿瘤学] 10[医学]
基 金：Krishi Gobeshona Foundation,Bangladesh Agricultural Research Council,Dhaka,supported a grant(CGP TF 75-F/20) the corresponding author.Bangladesh Agricultural University Research System(BAURES)is gratefully acknowledged for the financial management of this project(Project No.2020/954/KGF)
主 题：Aquaculture Disease resistance Immunity Labeo rohita Probiotics
摘 要：Multi-strain probiotics provide the most dependable approaches to improve health,immune response,and disease resistance in farmed *** the present study,we examined the effects of multi-species probiotics on the survival,growth,immune response,and disease resistance of rohu(Labeo rohita)*** hatched larvae from the day of first feeding(average weight of 0.003 g)were reared with multi-species probiotics having a combination of Bacillus subtilis(109 colony forming units(cfu)/mL)and Lactobacillus spp.(Lactobacillus plantarum,Lactobacillus buchneri-1011 cfu/mL)in water containing doses of 0(control-C),0.5 mL/L(treatment 1-T1),and 1.0 mL/L(treatment 2-T2)in triplicates for 90 *** the experiment,a challenge test was performed to assess the fish s resistance to pathogenic Aeromonas *** higher survival was recorded in larvae of treated groups(87%in T2 and 79%in T1)compared to the control(62%).Significantly higher growth performance(weight gain and specific growth rate—SGR)was shown by the probiotic-treated larval groups compared to the *** supplementation resulted in significantly higher counts of total viable colony(TVC)and lactic acid bacteria(LAB)in the *** immunological parameters(mucosal fold fattening,goblet cell abundance,expansion of lamina propria and enterocytes)of the gut were significantly better in probiotic-treated *** liver of treated fish showed irregular shape nuclei turning into regular shape and reducing spaces between the hepatic ***-treated fish had the highest post-challenge survival rate(90%)against *** *** erythrocytes of challenged fish treated with probiotics had significantly lower frequencies of various nuclear and cellular *** findings suggest that multi-species probiotic supplements could improve the survival,growth,health status,and immune response of rohu in the early stages of its development.
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