Enrichment of rainbow trout (Oncorhynchus mykiss) fingerlings diet with microbial lysozyme: Effects on growth performance, serum and skin mucus immune parameters

Publication date: March 2019Source: Fish & Shellfish Immunology, Volume 86Author(s): Meysam Shakoori, Seyed Hossein Hoseinifar, Hamed Paknejad, Valiollah Jafari, Roghieh Safari, Hien Van Doan, Mansour Torfi MozanzadehAbstractA two-month study was conducted to determine the influence of different levels of microbial lysozyme (LZ) contents (0, 0.5, 1.0, and 1.5 g kg−1 of diet) on growth performance, serum and skin mucus immune parameters as well as intestinal immune-related genes expression in rainbow trout Oncorhynchus mykiss fingerlings (5.5 ± 0.1 g). Growth performance and feed utilization were not affected significantly by dietary LZ. Fish fed LZ-supplemented diets had higher serum total immunoglobulins concentration than the control group. In addition, fish fed 1.5 g LZ k...

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