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Article

Antioxidant Status and Liver Function of Young Turkeys Receiving a Diet with Full-Fat Insect Meal from Hermetia illucens

1
Biochemistry and Toxicology, Faculty of Animal Science and Bioeconomy, University of Life Sciences in Lublin, Akademicka 13, 20-950 Lublin, Poland
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Department of Poultry Science, Faculty of Animal Bioengineering, University of Warmia and Mazury in Olsztyn, Oczapowskiego 5, 10-719 Olsztyn, Poland
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Department of Pathological Anatomy, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, Akademicka 13, 20-950 Lublin, Poland
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Department of Animal Nutrition and Feed Management, Animal Sciences, Poznań University of Life Sciences, Wołyńska 33, 60-637 Poznań, Poland
5
Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, 10-748 Olsztyn, Poland
*
Author to whom correspondence should be addressed.
Animals 2020, 10(8), 1339; https://doi.org/10.3390/ani10081339
Received: 13 July 2020 / Revised: 27 July 2020 / Accepted: 29 July 2020 / Published: 3 August 2020
(This article belongs to the Section Animal Nutrition)
Insects can be used as an alternative source of protein and fat in poultry feed. To date, in most research, the administration of invertebrates as a replacement for soybean meal in chicken diets has produced satisfactory results. We hypothesized that full-fat insect meal from Hermetia illucens (HI) larvae can also be an acceptable source of protein and energy in the diet of young turkeys, and at the same time can improve their antioxidant status and metabolism. Our research showed that the level of HI meal in the diet of turkeys should not exceed 5%. The use of a higher level of HI than 5% in the diet of young turkeys has a negative effect on lipid metabolism, lipid oxidation and fat deposition in the liver.
We hypothesized that full-fat insect meal from Hermetia illucens (HI) larvae can be an acceptable source of protein and energy in the diet of young turkeys, in an amount adapted to the nutritional needs of these birds, and at the same time can improve their antioxidant status and metabolism. The turkeys were fed a control diet (HI0) without the insect meal, and three diets with increasing HI content of 5%, 10% and 15% (treatments HI5, HI10 and HI15, respectively). The use of 10% or 15% HI in the diet of young turkeys, while beneficially raising levels of P, Fe and Hb, has a negative effect on lipid metabolism, increasing TC levels, lipid oxidation, and fat deposition in the liver. The inclusion of 5% HI in the diet of young turkeys has no adverse effect on the lipid status and histology of the liver, but it does not improve antioxidant status. To conclude, the level of HI meal in the diet of turkeys should not exceed 5%. However, as similar studies on turkeys have not yet been published, overly general conclusions should not be drawn from the results of the present study, and further research is necessary. View Full-Text
Keywords: turkey; insect meal; biochemical parameters; redox status; growth performance turkey; insect meal; biochemical parameters; redox status; growth performance
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MDPI and ACS Style

Ognik, K.; Kozłowski, K.; Stępniowska, A.; Listos, P.; Józefiak, D.; Zduńczyk, Z.; Jankowski, J. Antioxidant Status and Liver Function of Young Turkeys Receiving a Diet with Full-Fat Insect Meal from Hermetia illucens. Animals 2020, 10, 1339. https://doi.org/10.3390/ani10081339

AMA Style

Ognik K, Kozłowski K, Stępniowska A, Listos P, Józefiak D, Zduńczyk Z, Jankowski J. Antioxidant Status and Liver Function of Young Turkeys Receiving a Diet with Full-Fat Insect Meal from Hermetia illucens. Animals. 2020; 10(8):1339. https://doi.org/10.3390/ani10081339

Chicago/Turabian Style

Ognik, Katarzyna, Krzysztof Kozłowski, Anna Stępniowska, Piotr Listos, Damian Józefiak, Zenon Zduńczyk, and Jan Jankowski. 2020. "Antioxidant Status and Liver Function of Young Turkeys Receiving a Diet with Full-Fat Insect Meal from Hermetia illucens" Animals 10, no. 8: 1339. https://doi.org/10.3390/ani10081339

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