日粮瑞士乳杆菌ATC15009对高饲养密度虹鳟生长性能、血液学参数、先天免疫反应和抗氧化状态的影响

IF 1.8 4区 农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE
Saade Abdalkareem Jasim, Farag M. A. Altalbawy, A. Alameri, A. Ramírez-Coronel, R. Obaid, Mais Mazin Al-Hamdani, A. Kadhim, R. Zabibah, H. A. Alzahrani, Sadegh Ghafari Farsani, Mahnaz Dadras
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引用次数: 0

摘要

摘要本研究旨在评估膳食益生菌补充瑞士乳杆菌对虹鳟生长、消化酶、血液学、生化、免疫和抗氧化参数以及肠道微生物群的影响。在高放养密度(80 kg m−3)下,用不同水平的瑞士乳杆菌(1×106、1×107、1×108和1×109)喂养鱼类(35.46±0.9 g)60天。结果表明,添加益生菌的鱼类生长性能显著改善(P<0.05)。消化酶参数显示,添加益生菌可显著提高淀粉酶、蛋白酶和脂肪酶(P<0.05),呼吸爆发活性(RBA)和髓过氧化物酶(MPO)(P<0.05)。总蛋白(TP)、白蛋白(ALB)和球蛋白(GLO)在实验日粮中增加(P<0.05),乳酸脱氢酶(LDH)活性在饲料添加剂中显著降低(P<0.05)而白细胞(WBC)、淋巴细胞、中性粒细胞、红细胞压积(Hct),红细胞(RBC)显著增强(P<0.05),添加日粮的鱼类抗氧化能力、过氧化氢酶(CAT)和超氧化物歧化酶(SOD)显著增强。添加鱼粉后,鱼粉中丙二醛(MDA)含量显著降低(P<0.05),乳酸菌(LAB)含量显著增加(P<0.05)。看来,瑞士乳杆菌可以被推荐为有益的虹鳟益生菌饲料添加剂。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effects of dietary Lactobacillus helveticus ATC 15009 on growth performance, hematology parameters, innate immune responses, and the antioxidant status of rainbow trout (Oncorhynchus mykiss) under high rearing density
Abstract This study aimed to evaluate the effects of dietary probiotic supplementation of Lactobacillus helveticus on growth, digestive enzymes, and hematological, biochemical, immune, and antioxidant parameters, as well as intestinal microbiota of rainbow trout (Oncorhynchus mykiss). Fish (35.46±0.9 g) were fed with different levels of dietary L. helveticus: control, 1 × 106, 1 × 107, 1 × 108, and 1 × 109 at high stocking density (80 kg m−3) for 60 days. Results indicated that growth performance significantly improved in probiotic supplemented fish (P<0.05). Digestive enzyme parameters revealed that supplementation could significantly increase amylase, protease, and lipase (P<0.05). The treated groups showed significant improvements in serum immune parameters including lysozyme (LYZ), alternative complement (ACH50), respiratory burst activity (RBA), and myeloperoxidase (MPO) (P<0.05). Total protein (TP), albumin (ALB), and globulin (GLO) increased in fish fed experimental diets (P<0.05). Lactate dehydrogenase (LDH) activity was significantly lower in fish fed dietary additives (P<0.05) while white blood cells (WBC), lymphocytes, neutrophils, hematocrit (Hct), red blood cells (RBC) were significantly enhanced (P<0.05). Fish fed with supplemented diets showed significantly enhanced antioxidant status, catalase (CAT) and superoxide dismutase (SOD). Malondialdehyde (MDA) content was significantly lower in fish fed dietary additives (P<0.05). Lactic acid bacteria (LAB) in the treatment groups were significantly increased (P<0.05). In conclusion, dietary supplementation of L. helveticus reduced detrimental effects of high stocking density on growth performance and immune response. It appears that L. helveticus can be recommended as a beneficial probiotic feed additive for rainbow trout.
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来源期刊
Annals of Animal Science
Annals of Animal Science 农林科学-奶制品与动物科学
CiteScore
4.00
自引率
5.30%
发文量
138
审稿时长
6-12 weeks
期刊介绍: Annals of Animal Science accepts original papers and reviews from the different topics of animal science: genetic and farm animal breeding, the biology, physiology and reproduction of animals, animal nutrition and feedstuffs, environment, hygiene and animal production technology, quality of animal origin products, economics and the organization of animal production.
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