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Dietary supplementation of black mulberry (Morus nigra) syrup improves the growth performance, innate immune response, antioxidant status, gene expression responses, and disease resistance of Nile tilapia (Oreochromis niloticus)
Fish & Shellfish Immunology ( IF 4.7 ) Pub Date : 2020-09-29 , DOI: 10.1016/j.fsi.2020.09.041
Sevdan Yilmaz , Sebahattin Ergün , Murat Yigit , Ebru Yilmaz , Ehsan Ahmadifar

The present study investigated the effects of black mulberry (Morus nigra) syrup supplementation on growth performance, hematological, serum biochemical, innate immune parameters, immune and antioxidant related gene expression responses, and disease resistance of Nile tilapia, Oreochromis niloticus. Five isonitrogenous and isoenergetic diets were formulated to contain black mulberry syrup at levels of 0%, 0.75%, 1.5%, 2.0%, and 3.0%. Fish were fed experimental diets for 60 days. Dietary black mulberry syrup increased activities of serum lysozyme, myeloperoxidase, superoxide dismutase and catalase, and increased the expression levels of immune-related genes (interleukin 1, beta, tumor necrosis factor, immunoglobulin M, interferon gamma and heat shock protein 70) in the spleen and antioxidant-related genes (superoxide dismutase, catalase and glutathione peroxidase) in the liver of fish fed especially with 1.5%, 2.0%, and 3.0% black mulberry syrup supplemented diets. Furthermore, at 2.0% incorporation level, growth performance increased.

The findings of the present study indicate that Nile tilapia fed with diet containing 2.0% black mulberry might be adequate to improve the growth performance, innate immune parameters, antioxidant related gene expression responses, and disease resistance against Aeromonas veronii.



中文翻译:

黑桑的膳食补充(黑桑)糖浆提高了生长性能,先天免疫应答,抗氧化状态,基因表达应答,以及尼罗罗非鱼的抗病性(尼罗罗非鱼

本研究探讨黑桑的效果(黑桑)上生长性能,血液学,血清生化,先天免疫参数,免疫和抗氧化剂相关基因表达的响应,以及尼罗罗非鱼,抗病糖浆补充尼罗罗非鱼。配制了五种等氮和等分能量的日粮,使其含量分别为0%,0.75%,1.5%,2.0%和3.0%的黑桑糖浆。鱼喂了60天的实验饮食。日粮桑black糖浆可增加血清溶菌酶,髓过氧化物酶,超氧化物歧化酶和过氧化氢酶的活性,并增加免疫相关基因(白介素1β,肿瘤坏死因子,免疫球蛋白M,干扰素γ)的表达水平。热休克蛋白70在脾)和抗氧化剂的相关基因(超氧化物歧化酶,过氧化氢酶和谷胱甘肽过氧化物酶)的鱼,特别是用1.5%,2.0%和3.0%的黑色桑糖浆补充饮食喂养肝脏。此外,在2.0%的引入水平下,增长业绩有所提高。

本研究的结果表明,饲喂含2.0%黑桑树的日粮的尼罗罗非鱼可能足以改善其生长性能,先天免疫参数,抗氧化剂相关基因表达反应以及对维罗纳气单胞菌的抗病性。

更新日期:2020-10-16
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