Abstract Sodium propionate (SP) is a short-chain fatty acid that has long been used to improve the growth, physiological and immunological properties of aquatic animals. The aim of the current… Click to show full abstract
Abstract Sodium propionate (SP) is a short-chain fatty acid that has long been used to improve the growth, physiological and immunological properties of aquatic animals. The aim of the current study was to assess the effect of SP intake on growth, immune-related genes, and resistance against Ichthyophthirius multifiliis in goldfish (Carassius auratus). The juvenile goldfish (initial weight = 8.61 ± 0.01 g) fed on diets supplemented with different levels of 0, 1.2, 2.5, and 5 g/kg diet) of SP for 50 days. At the end of the experiment, the treated fish were exposed to theronts stage of I. multifiliis at 5000 theronts per fish. Results showed that higher final weight, red blood cells (RBC), and white blood cells were seen in fish fed 5 g SP/kg than other treatments (P
               
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