The effects of host-associated Enterococcus faecium CGMCC1.2136 on serum immune parameters, digestive enzymes activity and growth performance of the Caspian roach (Rutilus rutilus caspicus) fingerlings

Tarkhani, Reza; Ahmad, Iqbal; Hoseinifar, Seyed Hossein; Moghanlou, Kourosh Sarvi; Manaffar, Ramin

doi:10.1016/j.aquaculture.2019.734741

Cited by 25 publications

(11 citation statements)

References 68 publications

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“…Bacteria were inoculated in soy broth medium and incubated at 30°C for 48 h then centrifuged at 4000 g for 10 min. After washing in PBS solution (Phosphate‐buffered saline), the desired concentration was obtained using the turbidity measurement method (Tarkhani et al, 2020). Also, an exogenous multi‐enzyme cocktail including 25 mg/kg xylanase, 30 mg/kg protease and 7.5 mg/kg phytase was purchased from Dutch State Mines (DSM) Company (Ronozyme ® HiPhos, DSM Co., Netherland).…”

Section: Methodsmentioning

confidence: 99%

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Singular or combined dietary administration of multi‐strain probiotics and multi‐enzyme influences growth, body composition, digestive enzyme activity, and intestinal morphology in Siberian sturgeon ( Acipenser baerii )

et al. 2021

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The effectiveness of single versus combined dietary supplementation of multi‐strain probiotics and exogenous multi‐enzyme (Ronozyme®) on growth indices, feed utilization and gastrointestinal functions of Siberian sturgeon was investigated for 10 weeks. A feeding trial was performed in triplicate with the juveniles (N = 240; 138.1 g), which were fed on C: basal diet (control), E: 62.5 mg/kg Ronozyme® (25 mg/kg xylanase, 30 mg/kg protease and 7.5 mg/kg phytase), P: 2 g/kg probiotics mixture (Pediococcus pentosaceus 1 × 109 and Lactococcus lactis 1 × 108 CFU/g) and P + E diets. Upon the completion of the feeding trial, the group fed with dietary P + E showed the highest final body weight and metabolic weight gain; however, the lowest feed conversion ratio was calculated in E and P + E groups (p < 0.05). Protein and lipid efficiency ratios were significantly decreased in the control group (p < 0.05). The highest and lowest crude protein and lipid contents were recorded in P + E treatment, respectively (p < 0.05). The height, width and area of intestinal villi in the fish fed with treated diets were higher than the control group (p < 0.05). The activities of lipase and protease were increased in P and P + E groups (p < 0.05). The load of lactic acid bacteria was upregulated in the fish gut fed with P and P + E diets (p < 0.05). Overall, the combination of the probiotics mixture and multi‐enzyme significantly improved the metabolism and digestibility of Siberian sturgeon.

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Section: Methodsmentioning

confidence: 99%

“…Experimental diets were prepared in triplicate. The studied doses of the probiotics and exogenous enzymes were selected based on the positive results of previous studies (Adeoye et al, 2016; Hlophe‐Ginindza et al, 2016; Kumar et al, 2006; Soltani et al, 2013; Tarkhani et al, 2020).…”

Section: Methodsmentioning

confidence: 99%

Singular or combined dietary administration of multi‐strain probiotics and multi‐enzyme influences growth, body composition, digestive enzyme activity, and intestinal morphology in Siberian sturgeon ( Acipenser baerii )

et al. 2021

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“…Here, various microbial enzymes, such as lipases, phytases, amylases, cellulases, trypsin, and other proteases, can be involved [93][94][95][96][97]. In addition, microbes can stimulate the activity and secretion of host enzymes directly [98][99][100]. In modern aquafeeds, supplemented with high amounts of plant ingredients, specific probiotics may increase the digestion of feed components such as nonstarch hydrocarbons, cellulose, or chitin, which are indigestible for the fish host.…”

Section: Feed Conversionmentioning

confidence: 99%

Probiotics in Fish Nutrition—Long-Standing Household Remedy or Native Nutraceuticals?

Wuertz

Schroeder

Wanka

2021

Water

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Over the last decades, aquaculture production increased rapidly. The future development of the industry highly relies on the sustainable utilization of natural resources. The need for improving disease resistance, growth performance, food conversion, and product safety for human consumption has stimulated the application of probiotics in aquaculture. Probiotics increase growth and feed conversion, improve health status, raise disease resistance, decrease stress susceptibility, and improve general vigor. Currently, most probiotics still originate from terrestrial sources rather than fish. However, host-associated (autochthonous) probiotics are likely more persistent in the gastrointestinal tract of fish and may, therefore, exhibit longer-lasting effects on the host. Probiotic candidates are commonly screened in in vitro assays, but the transfer to in vivo assessment is often problematic. In conclusion, modulation of the host-associated microbiome by the use of complex probiotics is promising, but a solid understanding of the interactions involved is only in its infancy and requires further research. Probiotics could be used to explore novel ingredients such as chitin-rich insect meal, which cannot be digested by the fish host alone. Most importantly, probiotics offer the opportunity to improve stress and disease resistance, which is among the most pressing problems in aquaculture.

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“…Tarkhani et al. ( 141 ) described the increase of intestinal digestive enzyme activities of Caspian roach ( Rutilus caspicus ) after the administration of E. faecium . Despite of the reported results, the actual contribution of these enzymes to the fish metabolism is still not well understood.…”

Section: Additional Effects Of Probiotics On Fishmentioning

confidence: 99%

“…L. lactis is another probiotic whose positive effect on growth performance has been reported in several farmed fish species, when administered alone ( 155 – 158 ); in combination with immunostimulants, such as β-glucan and mannan oligosaccharide ( 139 ); or other Lactobacillus ( 117 ). The ability to increase the growth rate has been demonstrated for other species of Lactobacillus , such as Lactobacillus delbrueckii ( 159 ), L. rhamnosus ( 117 , 160 ), L. bulgaricus , L. acidophilus ( 138 ), and for other bacteria species, such as Citrobacter in combination with L. bulgaricus and L. acidophilus ( 140 ), Pediococcus ( 161 , 162 ) and Enterococcus ( 141 , 163 ). For example, Asian seabass increased its growth after the administration of a commercial probiotic consisting in Lactobacillus spp.…”

Section: Additional Effects Of Probiotics On Fishmentioning

confidence: 99%

Mechanisms Used by Probiotics to Confer Pathogen Resistance to Teleost Fish

Simón¹,

Docando²,

Nuñez-Ortiz³

et al. 2021

Front. Immunol.

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Probiotics have been defined as live microorganisms that when administered in adequate amounts confer health benefits to the host. The use of probiotics in aquaculture is an attractive bio-friendly method to decrease the impact of infectious diseases, but is still not an extended practice. Although many studies have investigated the systemic and mucosal immunological effects of probiotics, not all of them have established whether they were actually capable of increasing resistance to different types of pathogens, being this the outmost desired goal. In this sense, in the current paper, we have summarized those experiments in which probiotics were shown to provide increased resistance against bacterial, viral or parasitic pathogens. Additionally, we have reviewed what is known for fish probiotics regarding the mechanisms through which they exert positive effects on pathogen resistance, including direct actions on the pathogen, as well as positive effects on the host.

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The effects of host-associated Enterococcus faecium CGMCC1.2136 on serum immune parameters, digestive enzymes activity and growth performance of the Caspian roach (Rutilus rutilus caspicus) fingerlings

Cited by 25 publications

References 68 publications

Singular or combined dietary administration of multi‐strain probiotics and multi‐enzyme influences growth, body composition, digestive enzyme activity, and intestinal morphology in Siberian sturgeon ( Acipenser baerii )

Singular or combined dietary administration of multi‐strain probiotics and multi‐enzyme influences growth, body composition, digestive enzyme activity, and intestinal morphology in Siberian sturgeon ( Acipenser baerii )

Probiotics in Fish Nutrition—Long-Standing Household Remedy or Native Nutraceuticals?

Mechanisms Used by Probiotics to Confer Pathogen Resistance to Teleost Fish

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