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The role of high-grade Bentonite powder in coccidiosis and its effects on feed conversion ratio and blood parameters in broiler chicken

F.M.F. Hayajneh A. Abdelqader M.A. Alnimer M.A. Abedal-Majed J. Al-Khazaleh

Polish Journal of Veterinary Sciences | 2020 | vol. 23 | No 1 | 97-107 | DOI: 10.24425/pjvs.2020.132753

Keywords broiler coccidiosis calcium bentonite poultry triglycerides protein

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Abstract

The aim of this study was to evaluate the effect of high doses of calcium bentonite on the blood parameters, anticoccidial activity and intestinal histology of broiler chickens. Three undred and sixty one-day old broilers were distributed into three treatments (T+VE, T-VE, TB )with three replicates. Amprolium was added to the feed of the positive control group, calcium bentonite powder was added to the TB group, and nothing was added to the feed of the T-VE group. Coccidiosis was induced on day 14, the birds were kept until day 49, measurements of the diffe- rent variables started from week 3, blood samples were collected via wing vein, and fecal oocysts were counted from the intestinal contents of each individual bird using the McMaster techni- que. A decrease in feed consumption, body weight gain and conversion ratio was noticed in the calcium bentonite group. Broilers in the calcium bentonite group (TB ) and negative control group (T-VE ) showed clinical signs of coccidiosis (blood in feces) and the number of oocysts in feces increased with time. Histopathological examinations of the affected caeca also demonstrated excessive tissue damage, hemorrhage, the presence of clusters of large schizonts and merozoites in the tissue, and coccidian oocysts in the lumen. Feed conversion was highest in the T+VE group.

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Authors and Affiliations

F.M.F. Hayajneh

A. Abdelqader

M.A. Alnimer

M.A. Abedal-Majed

J. Al-Khazaleh

Use of fly larvae Hermetia illucens in poultry feeding: A review paper

Svetlana V. Sverguzova Ildar H. Shaikhiev Zhanna A. Sapronova Ekaterina V. Fomina Yulia L. Makridinа

Journal of Water and Land Development | 2021 | No 49 | 95-103 | DOI: 10.24425/jwld.2021.137101

Keywords feed Hermetia illucens insect feed poultry protein flour

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Abstract

The paper presents the review of scientific publications of world literature on the use of the larvae of black soldier fly ( Hermetia illucens) when feeding poultry. Nowadays, the issue of replacing traditional sources of protein when feeding poultry is very urgent, especially in connection with the global food crisis. Insects are the natural food of most birds; thus, the use of fly larvae for feed production has a biological basis. The research results presented in published works show that there are no negative effects on bird health and meat quality when feeding poultry, quail and other birds. In some cases, the experimental groups of birds gained weight slightly more slowly than the control group. Other reports indicate that birds grew at the same rate as normal birds. The quantity and quality of eggs did not differ significantly, but dietary changes affected the colour of yolks and eggshell. The effect of the addition of live larvae to the diet of young turkeys on the weight characteristics of was studied. Replacing 10% of the daily amount of feed with live Hermetia illucens larvae in the diet of turkeys showed that the daily feed intake and body weight gain of the experimental birds were significantly higher compared to the control groups, which led to a significantly higher body weight of chicks at the age of five weeks (2.19 kg vs. 2.015 kg, respectively) and a significantly lower feed conversion rate. Most researchers agree that replacing protein in poultry feed with insect flour should be partial, in the 15–30% range. Feeding with larvae that have undergone processing – grinding, chitin removing, heat treatment – is more preferable than using whole larvae, since the chitinous membrane makes larvae difficult to be digested in the digestive tract of birds.

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Authors and Affiliations

Svetlana V. Sverguzova

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Ildar H. Shaikhiev

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Zhanna A. Sapronova

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Ekaterina V. Fomina

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Yulia L. Makridinа

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Belgorod State Technological University named after V.G. Shoukhov, Department of Industrial Ecology, Kostyukov str., 46, Belgorod, 308012, Russia
Kazan National Research Technological University, Department of Engineering Ecology, Karl Marx st., 68, Kazan, 420015, Russia

The occurrence and seasonal variation of aflatoxin B1 and zearalenone concentrations in poultry feeds

A. Sohrabi M.H. Movassaghghazani J. Shayegh A.R. Karamibonari F. Tajedini

Polish Journal of Veterinary Sciences | 2023 | vol. 26 | No 4 | 541-548 | DOI: 10.24425/pjvs.2023.145060

Keywords aflatoxin B1 high-performance liquid chromatography poultry diet zearalenone

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Abstract

The present study aimed to investigate the contamination of poultry feed with aflatoxin B1 and zearalenone at laying hen farms in Tehran suburbs. The poultry feed was selected from five laying hen farms. A total of 60 poultry feed samples were collected from each farm during four consecutive seasons, from spring to winter of 2021. High-performance liquid chromatography was used to determine the amount of aflatoxin B1 and zearalenone. The mean aflatoxin B1 and zearalenone concentrations in various seasons showed significant differences (p<0.01). The highest reported aflatoxin concentration was in winter, with a mean concentration of 1366.53±77.85 ng/kg. The lowest concentrations were reported in autumn and summer, indicating a significant difference (p<0.01). The highest concentration of zearalenone was reported in summer, with a mean concentration of 150.72±10.35 μg/kg. The lowest concentration was reported in winter, with a mean concentration of 22.87±10.35 μg/kg, indicating a statistically significant difference (p<0.01). Overall, the concentrations of aflatoxin B1 and zearalenone toxins significantly differed in various poultry farms. The poultry farm D had the highest aflatoxin contamination with a mean concentration of 648.08±59.89 ng/kg. Poultry farms A, B, and C had the highest zearalenone concentrations with mean concentrations of 125.17±20.61, 96.04±20.61, and 99.49±20.61 μg/kg, respectively. Autumn was the only season showing significant differences regarding zearalenone toxin concentration in poultry farms.

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Authors and Affiliations

A. Sohrabi

M.H. Movassaghghazani

J. Shayegh

A.R. Karamibonari

F. Tajedini

Faculty of Veterinary Medicine, Shabestar Branch, Islamic Azad University, Shabestar, Iran
Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, Shabestar Branch, Islamic Azad University, Shabestar, Iran
Department of Pathobiology, Faculty of Veterinary Medicine, Shabestar Branch, Islamic Azad University, Shabestar, Iran
Department of Basic Sciences, Faculty of Veterinary Medicine, Karaj Branch, Islamic Azad University, Karaj, Iran

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The role of high-grade Bentonite powder in coccidiosis and its effects on feed conversion ratio and blood parameters in broiler chicken

Abstract

Authors and Affiliations

Use of fly larvae Hermetia illucens in poultry feeding: A review paper

Abstract

Authors and Affiliations

The occurrence and seasonal variation of aflatoxin B1 and zearalenone concentrations in poultry feeds

Abstract

Bibliography

Authors and Affiliations