In vitro evaluation of nano zinc oxide (nZnO) on mitigation of gaseous emissions

Sarker, Niloy Chandra; Keomanivong, F. E.; Borhan, Md. Saidul; Rahman, Shafiqur; Swanson, K. C.

doi:10.1186/s40781-018-0185-5

Cited by 13 publications

(18 citation statements)

References 34 publications

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“…Contrary to the present study, Sarker et al [1] reported a decreased in vitro total VFA concentration by inclusion of nano-ZnO in the diet compared with the control treatment. They noted that high levels of nano-ZnO may sometimes kill higher amounts of methanogenic bacteria, which results in a greater amount of unconverted total VFA [1]. Swain et al [54], however, showed that feeding goats with different levels of nano-ZnO instead of ZnO failed to change individual and total rumen VFA.…”

Section: Ph Ammonia-n Vfa and Protozoacontrasting

confidence: 99%

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Effects of supplementary nano-ZnO on in vitro ruminal fermentation, methane release, antioxidants, and microbial biomass

Riazi¹,

Rezaei²,

Rouzbehan³

2019

Turk J Vet Anim Sci

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IntroductionMethane released during ruminal fermentation plays an important role in global warming [1,2]. One of the aims in ruminant nutrition is to reduce the release of methane from the rumen, without adverse effects on digestibility, animal health, and productivity [3]. Moreover, improvements of rumen microbial biomass and the antioxidant status of animals are attractive targets in feeding management. This requires the best supply of nutrients and supplementary minerals in diets. Zinc is a vital trace mineral needed for animal productivity, immunity, rumen metabolism, and the antioxidant system [3][4][5]. Zn insufficiency can cause the weakness of the antioxidant system [6-8] and using high levels of dietary trace minerals, such as Zn, can improve animal health and performance [9][10][11][12].Diets are usually supplemented with Zn as inorganic (such as ZnO and ZnSO 4 ) or organic (such as Zn-amino acid complexes) sources. An organic mineral source offers further elements to animals due to its superior bioavailability [5,13]. At present, the usage of ZnO nanoparticles (nano-ZnO), with sizes of 1 to 100 nm, has increased in various fields such as mineral nutrition in livestock [4,7,14]. Nano sources of trace minerals have high bioavailability because of interesting properties such as the nano scale size, rapid and specific movement, higher area surface to volume proportion, surface activity, catalytic effectiveness, and absorption percentage [12,15,16]. Some researchers assessed the toxic impacts of Zn nanoparticles in animals [17][18][19]. However, there are studies supporting the beneficial effects of nanoparticles on animal performance, feed efficiency, and health as well as reduction of environmental pollution, due to the great bioavailability [15,16,20,21]. Wang et al. [12] mentioned that long-term oral Zn sulfate treatment was more toxic for animals than nano-ZnO. As reported by Singh et al.[22], feeding preruminant lambs with nano-ZnO instead of ZnO increased the Zn availability without causing toxicity. Nano-ZnO can improve villus height, crypt depth, and villus surface area in the gastrointestinal tract [12,14]. Sarker et al. [1] reported that supplementation with high levels of nano-ZnO (i.e. 500 and 1000 μg/g) decreased in vitro methane concentration compared with a control treatment (no Zn supplementation). Nanoparticles could be poisonous to certain microbes generating methane in anaerobic digestion [14,23]. Still, further studies are necessary to realize the possible helpful or harmful effects of nano-ZnO on animals [1,7,21].

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Section: Ph Ammonia-n Vfa and Protozoacontrasting

confidence: 99%

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mentioning

confidence: 99%

Effects of supplementary nano-ZnO on in vitro ruminal fermentation, methane release, antioxidants, and microbial biomass

Riazi¹,

Rezaei²,

Rouzbehan³

2019

Turk J Vet Anim Sci

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“…Reductions in CH 4 production caused by nano or natural forms confirmed the anti-methanogenic activity of zeolite in this study. Zeolite may act as an alkalinizer and has a high capacity for H+ exchange at different pH ranges [ 34 , 35 ]. Therefore, zeolite can reduce CH 4 emission by affecting rumen H+ exchange capacity and can also affect all the end fermentation characteristics.…”

Section: Discussionmentioning

confidence: 99%

In Vitro and In Vivo Assessment of Dietary Supplementation of Both Natural or Nano-Zeolite in Goat Diets: Effects on Ruminal Fermentation and Nutrients Digestibility

El-Nile

Elazab

El-Zaiat

et al. 2021

Animals

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This study aimed to evaluate in vitro and in vivo dietary supplementation with different levels of natural or nano-zeolite forms on rumen fermentation patterns and nutrient digestibility. In the in vitro experiment, a basal diet (50% concentrate: 50% forage) was incubated without additives (control) and with natural zeolite (10, 20, 30 g/kg DM) or nano-zeolite (0.2, 0.3, 0.4, 0.5, 1.0 g/kg DM) for 24 h to assess their effect on ruminal fermentation, feed degradability, and gas and methane production using a semi-automatic system of in vitro gas production (GP). The most effective doses obtained from the in vitro experiment were evaluated in vivo using 30 Barki goats (26 ± 0.9 SE kg body weight). Goats were allocated into three dietary treatments (n = 10/treatment) as follows: control (basal diet without any supplementations), natural zeolite (20 g/kg DM diet), and nano-zeolite (0.40 g/kg DM diet). The in vitro results revealed that only the nano-zeolite supplementation form quadratically (p= 0.004) increased GP, and the level of 0.5 g/kg DM had the highest GP value compared to the control. Both zeolite forms affected the CH4 production, linear, and quadratic reductions (p < 0.05) in CH4 (mL/g DM), consistent with linear increases in truly degraded organic matter (TDOM) (p = 0.09), and propionate molar proportions (p = 0.007) were observed by nano zeolite treatment, while the natural form of zeolite resulted in a linear CH4 reduction consistent with a linear decrease (p = 0.004) in NH3-N, linear increases in TDOM (p = 0.09), and propionate molar proportions (p = 0.004). Results of the in vivo experiment demonstrated that the nutrient digestibility was similar among all treatments. Nano zeolite enhanced (p < 0.05) the total short-chain fatty acids and butyrate concentrations, while both zeolite forms decreased (p < 0.001) NH3-N compared to the control. These results suggested that both zeolite supplementation forms favorably modified the rumen fermentation in different patterns.

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“…Hassan et al [24] indicate that the addition of nanozinc at dose 20 mg/kg feed led to reduced methane production and improved level of antioxidants. This positive effect of nanoparticles by reducing the level of methane gas can be attributed to reducing the numbers of bacteria producing it or re-directing the hydrogen flow to bind to the receptors for producing propionate [25]. The positive effect of these minerals also lies in their improvement of some digestive enzymes in the alimentary channel [26].…”

Section: The Function Of Nanocompoundsin the Ruminal Fermentationmentioning

confidence: 99%

Physiological role of Nanotechnology in Animal and Poultrynutrition: Review

Hameed

2021

NIDOC-ASRT

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I N recent years, nanotechnology has gained much attention within the scientific community in many countries. Many companies specializing in the manufacture of new forms of nanomaterials have introduced poultry and livestock production systems in order to enhance the efficiency of animal production. Nano mechanism is no longer a connotation or notion for the modern scientist only, but it has overturned into a recent enabling technique over the years, with huge possible to transFig. the field of cultivation and domestic animal, so evolved in these fields can be conveyed to avian and animals offspring systems with the aim of increasing production efficiency and meeting human needs of quality poultry and animal products. As a result of the small size of nanoparticles, their passage is very fast through the walls of the gastrointestinal tract, creating many important effects in various body systems, which provides the opportunity for researchers to deal with nanomaterials by studying many veterinary fields, including production, reproduction, disease control, dealing with biological materials such as the study of DNA and cellular molecules. Objective: this article aims to shed light on the available information regarding additives based on nanoparticles and to determine the possibility and importance of using compounds and nanomaterials as feed additives in animal diets.

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In vitro evaluation of nano zinc oxide (nZnO) on mitigation of gaseous emissions

Cited by 13 publications

References 34 publications

Effects of supplementary nano-ZnO on in vitro ruminal fermentation, methane release, antioxidants, and microbial biomass

Effects of supplementary nano-ZnO on in vitro ruminal fermentation, methane release, antioxidants, and microbial biomass

In Vitro and In Vivo Assessment of Dietary Supplementation of Both Natural or Nano-Zeolite in Goat Diets: Effects on Ruminal Fermentation and Nutrients Digestibility

Physiological role of Nanotechnology in Animal and Poultrynutrition: Review

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