Beneficial effects of dietary silver nanoparticles and silver nitrate on broiler nutrition
2018
Saleh, Ahmed A. | El-Magd, Mohammed A.
This study was conducted to investigate the growth modulatory effects of dietary supplementation with silver nanoparticles (Ag NPs) and Ag nitrate on broiler chickens. Thirty 15-day-old chicks were equally divided into the control group (fed basal diets), the Ag-nano group (fed basal diets supplemented with 50 ppm/kg of Ag NPs for 12 d), and the Ag nitrate group (fed basal diets supplemented with 100 ppm/kg Ag nitrate for 12 days). Chicks fed Ag NPs showed increased body weight gain and muscle weight, improved feed efficiency, and increased ash digestibility, while Ag digestibility tend to increase but not significant. Plasma triiodothyronine contents, and muscle Ag and nitrogen contents as well as a significant increase in the following mRNA levels in muscle tissue: insulin-like growth factor-1 (IGF1), glucose transporters (Glut1, Glut3), citrate synthase (CS), and glutathione peroxidase (GPx), whereas the atrogin-1, fatty acid synthase (FAS), acetyl CoA carboxylase (ACC), lactate dehydrogenase (LDH), and carnitine palmitoyl transferase 1A (CPT1A) mRNA levels were unchanged. However, these chicks exhibited decreased levels of plasma cholesterol, triglyceride, and glucose. Dietary supplementation with Ag NPs improved the growth performance of broiler chickens.
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