Nanoselenium effect on growth performance, carcass traits, antioxidant activity, and immune status of broilers
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RESEARCH ARTICLE
Nanoselenium effect on growth performance, carcass traits, antioxidant activity, and immune status of broilers Heba A. Alian 1
&
Hayam M. Samy 1 & Mohammed T. Ibrahim 1 & Manal M. A. Mahmoud 1
Received: 6 April 2020 / Accepted: 29 June 2020 # Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract A 42-day comparative study was conducted to assess the impact of nanoselenium to other selenium sources on performance, antioxidant activity, immunity, and carcass traits in broilers. Ross 308 (n = 156) 1-day-old broiler chicks, with average initial body weight of 45.80 ± 0.35, were randomly allocated to 4 groups. The first group (G1) fed the basal diet without selenium supplementation. The second group (G2), the third group (G3), and the fourth group (G4) were supplemented with dietary selenium at the level of 0.3 mg kg−1 diet in the form of sodium selenite, seleno-methionine, and nanoselenium, respectively. The results revealed significant improvement on most of the performance parameters of nanoselenium at the level of 0.3 mg kg−1 diet (P < 0.05). Nanoselenium and seleno-methionine achieved the best dressing %, spleen index %, and thymus index %. Concerning to internal organ indices, none of these indices was significantly affected by any selenium sources (P < 0.05). Glutathione peroxidase (GSH-PX) activity and malondialdehyde (MDA) content were not significantly affected by different selenium sources among all experimental groups. Serum interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) showed significant (P < 0.05) decrease in nanoselenium supplemented group compared with other groups. In case of serum IL-10 level, a significant (P < 0.05) increase was reported in nanoselenium supplemented group followed by G3 then G2. There were no statistical differences in the serum alanine transaminase, aspartate transaminase, total protein, albumin concentration, serum creatinine level, and uric acid concentration levels among all experimental groups. It is concluded that nano selenium can be a useful and better source of selenium for broilers. Keywords Antioxidant . Broilers . Carcass traits . Cytokines . Growth performance . Nanoselenium
Introduction It is a well-established fact that tables of feeding standards as well as breed manuals state the nutrient requirements of the birds at different stages of production only under normal condition and do not pay attention to the extra nutrient required in disease and/or stress conditions. Lately, the use of excess levels of some minerals, vitamins, amino acids, and/or their various combinations to chicken above their requirements improves their growth performance as well as disease resistance (Ao et al. 2019; Navidshad et al. 2019). Minerals are needed Responsible Editor: Mohamed M. Abdel-Daim * Heba A. Alian [email protected]; [email protected] 1
Faculty of Veterinary Medicine, Department of Nutrition and clinical nutrition, Suez Canal University, Ismailia 41522, Egypt
for the formation of blood, bones, and healthy nerve func
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