Effect of Dietary Nanosilver on Broiler Performance

Elkloub, Kout; Moustafa, M. El.; Ghazalah, A. A.; Rehan, A.A.A.

doi:10.3923/ijps.2015.177.182

Cited by 49 publications

(25 citation statements)

References 5 publications

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“…They observed a numerical increase in pigs' daily growth when different colloidal silver (60-100 nm) doses were added, compared with the control. Similar beneficial production effects have been reported by Ahmadi (2009) and Elkloub et al (2015) in chicken experiments. However, the authors do not provide the exact chemical and physical characterisation of the nanosilver applied, which makes verification of their results somewhat difficult (Table 1).…”

Section: Efficiency In Animal Productionsupporting

confidence: 90%

“…Silver and zinc nanoparticles arouse especially high hopes e.g. in view of animal production (Elkloub et al, 2015;Fondevila et al, 2009;Uniyal et al, 2017).…”

Section: Nanoparticlesmentioning

confidence: 99%

“…Such features are desirable in the case of feed additives used in animal nutrition. Farm animals kept in large flocks in conditions of intensive livestock production are highly exposed to instability of the gastrointestinal microbiome or bacterial infections, which result in a decline in the production efficiency (Elkloub et al, 2015;Kiczorowska et al, 2016b;Milani et al, 2017). The bactericidal properties of nanoparticles, compared with large particles, are associated with the greater surface area available for interactions with the bacterial surface (Adams et al, 2006).…”

Section: Bactericidal Propertiesmentioning

confidence: 99%

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Silver and zinc nanoparticles in animal nutrition – a review

Bąkowski

Kiczorowska

Samolińska

et al. 2018

Annals of Animal Science

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The use of metal nanoparticles as supplements of animal diets does not always bring unambiguous results. There are many reports in the literature about the multifaceted effects of this type of supplementation on the animal organism. Therefore, the aim of the paper is to present the current knowledge of the possible application of nanometal forms in animal nutrition and its potential benefits and threats. The positive effect of nanoparticles used as feed additives has most frequently been reflected in an increase in body weight, higher average daily gain, or improvement of the FCR value. In some cases, however, the effect of nanoparticle addition to diets was indiscernible. The potent antibacterial activity of nanoparticles, especially against Gram-negative bacteria and Gram-positive bacteria, is regarded as a positive effect. In turn, the probability of their toxicity is a potential risk in application thereof. Supplementation of diets with nanometals has been accompanied by pathological changes in animal tissues, primarily in the pancreas, kidney, liver, rumen, abomasum, small intestine, adrenal glands, and brain. Additionally, at the the cellular level, nanoparticles were found to induce toxicity, inflammatory excitation, and cell death. Oral administration of nanoparticles induced a risk of malfunction of the nervous system and even impairment of cognitive processes in animals. The increasing knowledge of the possible toxic effects of nanoparticles on the animal organism suggests caution in their use in animal production and necessitates further precise investigations in this area.

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Section: Efficiency In Animal Productionsupporting

confidence: 90%

“…Silver and zinc nanoparticles arouse especially high hopes e.g. in view of animal production (Elkloub et al, 2015;Fondevila et al, 2009;Uniyal et al, 2017).…”

Section: Nanoparticlesmentioning

confidence: 99%

Section: Bactericidal Propertiesmentioning

confidence: 99%

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Silver and zinc nanoparticles in animal nutrition – a review

Bąkowski

Kiczorowska

Samolińska

et al. 2018

Annals of Animal Science

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“…As feed additives, Ag-NPs has shown to be effective in the reduction of potentially pathogenic organisms such as E. coli and Clostridium perfringens [40][41][42][43], which could reduce the use of antibiotics in livestock [43]. Additionally, some Ag-NPs have also showed effective antiparasitic activity [44][45][46].…”

Section: Food Processing (Preservation)mentioning

confidence: 99%

Silver Nanoparticles against Foodborne Bacteria. Effects at Intestinal Level and Health Limitations

et al. 2020

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Foodborne diseases are one of the factors that endanger the health of consumers, especially in people at risk of exclusion and in developing countries. The continuing search for effective antimicrobials to be used in the food industry has resulted in the emergence of nanotechnology in this area. Silver nanoparticles (Ag-NPs) are the nanomaterial with the best antimicrobial activity and therefore, with great potential of application in food processing and packing. However, possible health effects must be properly addressed to ensure food safety. This review presents a detailed description on the main applications of Ag-NPs as antimicrobial agents for food control, as well as the current legislation concerning these materials. Current knowledge about the impact of the dietary exposure to Ag-NPs in human health with special emphasis on the changes that nanoparticles undergo after passing through the gastrointestinal tract and how they alter the oral and gut microbiota, is also summarized. It is concluded that given their potential and wide properties against foodborne pathogens, research in Ag-NPs is of great interest but is not exempt from difficulties that must be resolved in order to certify the safety of their use.

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“…However, we did not report any effect of Ag-NPs on the life span of silkworm at all concentrations that have been used. In a recent study, Williams K. and his colleagues revealed that exposure to silver NPs induced an alteration in intestinal microbiota of Sprague-Dawley rats, such as reductions in Firmicutes phylum, Lactobacillus genus population, as well as dysregulation of gene expression, especially the genes involved in immune responses (Elkloub et al, 2015). Kout Elkloub et al found that broilers fed on a diet supplemented with silver nanoparti-cles showed weight gains, particularly by the addition of 4 ppm of Ag-NPs/kg.…”

Section: Toxic Effects Of Silver Nps On Growth and Development Of Silmentioning

confidence: 99%

Silver effects on silkworm, <i>Bombyx mori</i>

Nouara

Chen

et al. 2018

J. Toxicol. Sci.

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Silver nanoparticles (Ag-NPs) are known as a noble metal, and owing to their exclusive properties, their use is widespread in consumer products and they are mostly incorporated into food packaging and food contact products. The aim of this work was to evaluate the effects of direct ingestion of Ag-NPs through food to assess their toxicity effects on the growth and development of silkworms at different concentrations (1 mg•L-1 to 100 mg•L-1), in addition to the examination of the distribution of Ag-NPs in the silkworm body and midgut histopathological analysis. RNA sequencing was performed to investigate the transcriptomic responses to Ag-NPs exposure. Our results show that the highest Ag-NPs' concentrations induced a significant increase in the silkworm body weight with histopathological changes in the midgut compared to the control group. The gene ontology (GO) and pathway enrichment analysis for differentially expressed genes showed that Ag-NPs altered the gene expressions and that they were significantly involved in carbohydrate metabolism, digestive system, and energy metabolism. These findings indicate that the Ag-NPs may induce harmful effects on the primary target organs (alimentary system) with energy deregulation and nutrition digestion and absorption imbalance. This study is an important step in understanding the molecular mechanisms of Ag-NPs' toxicity in vivo.

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Effect of Dietary Nanosilver on Broiler Performance

Cited by 49 publications

References 5 publications

Silver and zinc nanoparticles in animal nutrition – a review

Silver and zinc nanoparticles in animal nutrition – a review

Silver Nanoparticles against Foodborne Bacteria. Effects at Intestinal Level and Health Limitations

Silver effects on silkworm, <i>Bombyx mori</i>

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