Effects of dietary chitosan and Bacillus subtilis on the growth performance, non-specific immunity and disease resistance of cobia, Rachycentron canadum

Geng, Xu; Dong, Xiaohui; Tan, Beiping; Chi, Shuyan; Liu, Hongyu; Liu, Xianqin

doi:10.1016/j.fsi.2011.06.006

Cited by 170 publications

(98 citation statements)

References 43 publications

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“…Japanese flounder feeding B. clausii and MOS/FOS, in which fish maintained active ingestion, exhibited proper growth and survived for all time [107]. In yellow croaker and cobia, administration of B. subtillis/FOS or B. subtillis/chitosan respectively, not affects the survival rate, with no alterations among different dietary treatments [22] [108]. The study of Mehrabi et al showed that after 60 days groups fed diets containing different levels of synbiotics (0.5, 1.0 and 1.5) improved body weight gain about 50, 59 and 53%, respectively, in comparison with the control group [109].…”

Section: Synbiotic and Performancementioning

confidence: 99%

“…As synbiotic therapy may offer a suitable alternative for controlling pathogens, the effectiveness of synbiotic in terms of protection against infectious agents could be evaluated by a challenge test. To date, challenge test carried out in fish following to symbiotic administration, have employed Vibrio sp species as pathogens, specifically V. anguillarum and V. harveyi [100] [107] [108]. Today, specific health effects are being investigated and documented, including alleviation of chronic intestinal inflammatory diseases [135], and prevention and treatment of pathogen induced diarrhea [136], urogenital infections [137], and atopic diseases [138].…”

Section: Synbiotic and Healthmentioning

confidence: 99%

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Synbiotic as Feed Additives Relating to Animal Health and Performance

Hamasalim¹

2016

AiM

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According to the increasing of human population in the world, it reached about seven billion people and it continuously increased. In this background, the food source in both animal and plant origin must be increased accordingly. For these we must use and add some feed additives such as antibiotic, probiotic, prebiotic, postbiotic and synbiotic for the animal feed to increase production (meat, egg, milk and fish) and improve health. In early cases, probiotic as mono or mixed beneficial live microorganism was used as feed additive that plays a significant role in several health conditions and performances. In another way, the scientists use some ingredients indigestible with carbohydrates origin, especially oligosaccharides as a source of energy for beneficial microorganisms in the body which were called prebiotic, and it is indigestible fermented food substrates that stimulate the growth, composition and activity of microorganisms in gastrointestinal and improve host. Most of the scientists urged to use all the above in such way that have more benefits in animal health and performance which were therefore called synbiotic, that was a combination between probiotic and prebiotic which beneficially had significant effects on the host by improving the survival and implantation of live microbial dietary supplements in the gastrointestinal tract, and thus improving animal health and performance. So, it was proposed that the synbiotic in this research increased beneficial microorganisms in the gastrointestinal tract and improved intestinal architect, and then promoted intestine environment. Consequently, it can improve blood indices, and especially decrease bad cholesterol (Low-density lipoprotein), decrease harmful microorganisms and toxins. However, it can also improve ingredient product, increase mineral absorption and nutrient. In conclusion, it can improve animal health and performance.

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Section: Synbiotic and Performancementioning

confidence: 99%

Section: Synbiotic and Healthmentioning

confidence: 99%

Synbiotic as Feed Additives Relating to Animal Health and Performance

Hamasalim¹

2016

AiM

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“…The alternate probiotic regimen improved the immune system of the fish, consequently yielding a higher protection against natural pathogens (Bricknell & Dalmo, 2005). Geng et al (2011) also reported an increase in the respiratory burst in cobia (Rachycentron canadum) that daily received a diet supplemented with a mix of chitosan and B. subtilis. However, Díaz-Rosales et al (2006) and Cerezuela et al (2012) did not observe significant differences in the respiratory burst of sea bream (Sparus aurata) fed with probiotics.…”

Section: Resultsmentioning

confidence: 95%

Common snook fed in alternate and continuous regimens with diet supplemented with Bacillus subtilis probiotic

Noffs

Tachibana

Santos

et al. 2015

Pesq. agropec. bras.

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-The objective of this work was to evaluate the addition of Bacillus subtilis probiotic to the feed of common snook (Centropomus undecimalis) fingerlings, in alternate and continuous regimens. Six hundred and sixty fish, with average length of 5.90±0.88 cm and weight of 1.92±0.28 g, were stocked in 12 cages of 1.0 m 3 , with 55 fish each. The experimental design was completely randomized, with three treatments and four replicates. The treatments consisted of diet with the addition of probiotic, provided in alternate regimen for 7 days and in continuous regimen; besides a control without probiotic in the feed. Zootechnical performance, body composition, immune response, and blood parameters were evaluated. No significant differences were observed in zootechnical performance indexes and in body composition of fish treated with probiotic, when compared to the control. Fish from the alternate regimen showed an increment in respiratory burst and a lower total erythrocyte count than fish from the continuous regimen and the control. Fish from the continuous regimen did not differ from those of the control. The addition of Bacillus subtilis does not increase growth rates of common snook fingerlings; however, it has an immunostimulant action when supplied in alternate regimen.Index terms: Bacillus subtilis, Centropomus undecimalis, hematology, immunostimulant, marine aquaculture, respiratory burst. Robalo-flecha alimentado em regimes alternado e contínuo com dieta suplementada com o probiótico Bacillus subtilisResumo -O objetivo deste trabalho foi avaliar a adição de Bacillus subtilis, como probiótico, na ração de juvenis de robalo-flecha (Centropomus undecimalis), em regimes de alimentação alternado e contínuo. Foram estocados 660 peixes com comprimento médio de 5,90±0,88 cm e peso médio de 1,92±0,28 g, em 12 tanques-rede de 1,0 m 3 , com 55 peixes cada um. Utilizou-se o delineamento experimental inteiramente casualizado, com três tratamentos e quatro repetições. Os tratamentos consistiram de ração adicionada de probiótico, fornecida em regime alternado de 7 dias e em regime contínuo; além de controle sem probiótico na ração. Avaliaramse: desempenho zootécnico, composição corporal, resposta imune e parâmetros hematológicos. Não houve diferença significativa nos índices zootécnicos e na composição corporal dos peixes tratados com probiótico, em comparação ao controle. Os peixes do regime alternado apresentaram incremento na explosão respiratória e menor contagem total de eritrócitos do que os do regime contínuo e do controle. Os peixes do regime contínuo não diferiram dos do controle. A adição de Bacillus subtilis não promove o crescimento de juvenis de rebalo-peva; no entanto, tem ação imunoestimulante quando fornecido em regime alternado.Termos para indexação: Bacillus subtilis, Centropomus undecimalis, hematologia, imunoestimulante, piscicultura marinha, explosão respiratória.

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“…The highest average of survival rate was observed in the 1 g per kg feed that was statistically different from lower, higher doses and the control groups. In B. subtillis/FOS or B. subtillis/chitosan synbiotics treated yellow croaker and cobia showed no survival rate differences (26,27).…”

Section: Discussionmentioning

confidence: 90%

Greenwater, Marine Bacillus subtilis HS1 Probiotic and Synbiotic Enriched Artemia and Rotifers Improved European Seabass Dicentrarchus labrax Larvae Early Weaning Length Growth, Survival, Water and Bacteriology quality

Ahmed¹

2015

AJLS

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Abstract:The present study conducted in Fish Reproduction & Spawning Lab., NIOF, Alexandria, Egypt. European sea bass Dicentrarchus labrax newly hatched larvae from 8 dph to the 40 dph was reared according to (Süzer et al., 2011). The 6 tanks was green water with N. salina Algal count not less than 300000 cell/ml. The experimental treatments using green water using N. salina as positive control (G), green water plus marine probiotic bacteria (G+MP) and green water plus synbiotic (G+S).4 hours enriched rotifers Brachionus plicatilis started from the 7 th dph until the 14 th dph, the beginning of cofeeding on 6 hours enriched Artemia fransiscana (GSL) nauplii started and rotifers reduction started in the 18 th dph and stopped from the 20 th dph and artemia napulii fed alone until the 25 th dph, 25dph larvae started feeding on artemia metanauplii and cofeeding with Orange® P 1/2 Small microdiets with 100-200 micron to 35dph. From the 35 th dph artemia metanapulii stopped and larvae fed only on O.range® until the end of the experiment (the 40 th dph). The treatments were green water using Nanochlorapsis salina algae (G), greenwater plus marine Bacillus subtilis HS1 Probiotic bacteria (G+MP) and greenwater plus synbiotic (G+S) in 30 l tanks in duplicates. Microbiological measurements were performed in water samples in every larvae critical stage (7, 14, 21, 25, 35 and 40dph) for colony forming unit (CFU) of total bacterial count, Vibrio, Staphylococus, Aeromonas and Bacillus. Also water quality measurements were performed in the beginning of the experiment in 2 pm and in the same time in the 7, 14, 21, 28, 35 and 40 dph newly hatched larvae tanks. Finally, the results of the 40dph early weaned larvae showed significantly (p<0.05) higher final total length achieved by (G+MP) followed by (G+S) and the lower significant (p<0.05) recorded by (G) treatment. The bacterial counts of the Aeromonas not detected in all treatments, the other bacterial counts showed promising results of (G+MP) and (G+S) than (G) treatments in both inhibiting potentially pathogenic bacteria counts and also in improving the potentially useful bacterial counts.

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Effects of dietary chitosan and Bacillus subtilis on the growth performance, non-specific immunity and disease resistance of cobia, Rachycentron canadum

Cited by 170 publications

References 43 publications

Synbiotic as Feed Additives Relating to Animal Health and Performance

Synbiotic as Feed Additives Relating to Animal Health and Performance

Common snook fed in alternate and continuous regimens with diet supplemented with Bacillus subtilis probiotic

Greenwater, Marine Bacillus subtilis HS1 Probiotic and Synbiotic Enriched Artemia and Rotifers Improved European Seabass Dicentrarchus labrax Larvae Early Weaning Length Growth, Survival, Water and Bacteriology quality

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