The effect of humic substances on gut microbiota and immune response of broilers

Mudroňová, Dagmar; Karaffová, Viera; Pešulová, T.; Koščová, Jana; Maruščáková, Ivana Cingeľová; Bartkovský, Martin; Marcinčáková, Dana; Ševčíková, Zuzana; Marcinčák, Slavomí­r

doi:10.1080/09540105.2019.1707780

Cited by 38 publications

(47 citation statements)

References 36 publications

(29 reference statements)

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“…It alongside fulvic acids and humin are among humic substances that are part of humus. They are based on lignin collectively with other components of plant biomass (sugars, fats, proteins, waxes and resins) ( 78 ).…”

Section: Introductionmentioning

confidence: 99%

Maintaining Optimal Mammary Gland Health and Prevention of Mastitis

et al. 2021

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In dairy industry, quality of produced milk must be more important than quantity without a high somatic cells count (SCC) or pathogens causing mastitis of dairy cows and consumer diseases. Preserving the good health of dairy cows is a daily challenge for all involved in primary milk production. Despite the increasing level of technological support and veterinary measures, inflammation of the mammary gland–mastitis, is still one of the main health problems and reasons for economic losses faced by cow farmers. The mammary gland of high-yielding dairy cows requires making the right decisions and enforcing the proper measures aimed at minimizing external and internal factors that increase the risk of intramammary infection. Due to the polyfactorial nature of mastitis related to its reduction, the effectiveness of commonly used antimastitis methods tends to be limited and therefore it is necessary to find the areas of risk in udder health programs and monitoring systems. Only by implementing of complete udder health programs should be accompanied by research efforts to further development these complete udder health control. The present review analyses the current knowledge dealing with damping and prevention of mastitis include SCC control, proper nutrition, housing and management, milking and drying as practiced in dairy farming conditions. This information may help to improve the health of the mammary gland and the welfare of the dairy cows as well as the production of safe milk for consumers.

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Section: Introductionmentioning

confidence: 99%

Maintaining Optimal Mammary Gland Health and Prevention of Mastitis

et al. 2021

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“…Furthermore, microbiota release enzymes that etch metallic ions or fracture molecules from the feed captured by humic acid and expedited through the digestive system into contacted cells. Besides that, the microbiota in the intestine plays an essential role in reducing Cd accumulation through biosorption (Abbas et al, 2005; Mudroňová et al, 2020). The microbiota has been considered a target for environmental pollutants, including persistent organic pollutants, antibiotics, pesticides and heavy metals (Jin et al, 2017).…”

Section: Discussionmentioning

confidence: 99%

Dietary Supplementation of humic acid in the Feed of juvenile asian seabass,Lates calcariferto counteract possible negative effects of Cadmium Accumulation on Growth and Fish Well‐being when Green Mussel (Perna viridis) is used as a Feed ingredient.

Rasidi

Jusadi

Setiawati

et al. 2021

Aquaculture Research

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The present study purposed to determine the dietary humic acid supplementation in the feed juvenile Asian seabass, Lates calcarifer, to counteract possible negative effects of cadmium (Cd) accumulation on growth and fish well‐being when green mussel (Perna viridis) is used as a feed ingredient. The experiment design used completely random design (CRD) with four treatments: humic acid supplementation difference in diets (0, 800, 1600 or 2400 mg kg−1), with three replications. The Asian seabass juveniles (initial weight of 4.19 ± 0.60 g) were stocked in aquariums (80 x 35 x 28 cm), with each initially 25 fish. The fish were fed the experimental diets containing isoprotein and Cd of 0.12 mg kg−1 for 70 days of cultivation. The result showed that the diet's humic acid supplementation could prevent the Cd in fish liver, kidney and meat and improve growth compared with a fish‐fed diet without humic acid. Supplementation of humic acid starting at 800 mg kg−1 to the diet, Cd accumulation in fish meat not detected (<0.005 mg kg−1). The growth responses were highest in the fish fed the diet supplemented humic acid at 1600 mg kg−1. In concomitant with growth pattern, dietary treatments improved the feed digestibility, metabolic enzyme, blood chemistry and bone calcium. Thus, the present study concludes that dietary humic acid supplementation could counteract Cd accumulation's harmful effects on fish growth. Humic acid at 1600 mg kg−1 feed was the optimum dosage to increase Asian seabass growth on a feed from the green mussel as a feed ingredient.

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“…Humoral immunity was not affected by supplementation. The immunostimulatory effect is attributed to humic acid, the major component of VH, which has been considered to have positive effects on intestinal health and immunity of broiler chickens (Gomez‐Rosales & Angeles, 2015; Mudronova et al., 2020; Rath et al., 2006; Tohid et al., 2010). In the present study, higher doses of EW increased cell‐mediated immunity of birds; therefore, the VH‐potentiating effect of EW must not be forgotten; however, its effect was revealed rather on humoral than on cell‐mediated immunity (Bahadori et al., 2017; Popović et al., 2005).…”

Section: Discussionmentioning

confidence: 99%

“…Humic acid has been considered to have growth‐promoting effects in poultry (Ozturk et al., 2012). Positive effects were proven on intestinal health and immunity (Mudronova et al., 2020; Rath et al, 2006), blood cholesterol (Jaduttova et al., 2019; Ozturk et al., 2012) as well as on the quality of poultry meat and fat (Bahadori et al., 2017; Jaduttova et al., 2019; Marcincakova et al., 2015; Semjon et al., 2020).…”

Section: Introductionmentioning

confidence: 99%

Effect of diets containing earthworm powder and vermihumus on egg production, hatchability, blood parameters and immunity of Japanese breeder quails

Hesami

Esmaielzadeh

Karimi‐Torshizi

et al. 2020

Animal Physiology Nutrition

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The present study is aimed to evaluate the effects of different levels of earthworm (EW) powder and vermihumus (VH) on the growth performance, humoral immunity response, plasma constituents and reproductive performance of Japanese breeder quails. A total of 336 birds were assigned to seven treatments in a completely randomized design from day 30 to 90 of age. The dietary treatments were carried out, one without any addition of EW and VH, the second had a standard rate of VH at 0.8%, while a range of EW additions was supplied from 0%, 0.5%, 1%, 1.5%, 2% and 2.5%. The effects of treatments on body weight and mortality were not significant (p > .05). The highest feed intake was observed in birds fed the diets supplemented with 1% and 1.5% EW (p < .05). The highest titre of antibodies against influenza virus and sheep red blood cells belonged to the EW and VH treatments (p < .05). The antibody titre against Newcastle disease virus vaccine was not affected by the treatments. In general, the birds receiving EW and VH had the highest egg weight, egg production and egg mass weight (p < .05). Nonetheless, various levels of EW powder negatively affected hatchability and increased mortality and leg disorders (p < .05). The results showed that the levels of dietary 1% and 1.5% of EW powder gave the best growth and reproductive performance to birds respectively.

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The effect of humic substances on gut microbiota and immune response of broilers

Cited by 38 publications

References 36 publications

Maintaining Optimal Mammary Gland Health and Prevention of Mastitis

Maintaining Optimal Mammary Gland Health and Prevention of Mastitis

Dietary Supplementation of humic acid in the Feed of juvenile asian seabass,Lates calcariferto counteract possible negative effects of Cadmium Accumulation on Growth and Fish Well‐being when Green Mussel (Perna viridis) is used as a Feed ingredient.

Effect of diets containing earthworm powder and vermihumus on egg production, hatchability, blood parameters and immunity of Japanese breeder quails

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