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Physiological response, blood chemistry profile and mucus secretion of red sea bream (Pagrus major) fed diets supplemented with Lactobacillus rhamnosus under low salinity stress.
Fish Physiol Biochem. 2017 Feb; 43(1):179-192.FP

Abstract

Environmental stressors caused by inadequate aquaculture management strategies suppress the immune response of fish and make them more susceptible to diseases. Therefore, efforts have been made to relieve stress in fish by using various functional feed additives in the diet, including probiotics. The present work evaluates the effects of Lactobacillus rhamnosus (LR) on physiological stress response, blood chemistry and mucus secretion of red sea bream (Pagrus major) under low salinity stress. Fish were fed four diets supplemented with LR at [0 (LR0), 1 × 102 (LR1), 1 × 104 (LR2) and 1 × 106 (LR3) cells g-1] for 56 days. Before stress, blood cortisol, urea nitrogen (BUN) and total bilirubin (T-BIL) showed no significant difference (P > 0.05), whereas plasma glucose and triglyceride (TG) of fish-fed LR2 and LR3 diets were significantly lower (P < 0.05) than those of the other groups. Plasma total cholesterol (T-CHO) of fish-fed LR3 diet was significantly (P < 0.05) lower than that of the other groups. Furthermore, total plasma protein, mucus myeloperoxidase activity and the amount of mucus secretion were significantly enhanced in LR-supplemented groups when compared with the control group (P < 0.05). After the application of the low salinity stress test, plasma cortisol, glucose, T-CHO and TG contents in all groups showed an increased trend significantly (P < 0.01) compared to the fish before the stress challenge. However, plasma total protein and the amount of secreted mucus showed a decreased trend in all groups. On the other hand, BUN, T-BIL and mucus myeloperoxidase activity showed no significant difference after exposure to the low salinity stress (P > 0.05). In addition, the fish that received LR-supplemented diets showed significantly higher tolerance against low salinity stress than the fish-fed LR-free diet (P < 0.05). The physiological status and the detected immune responses, including total plasma protein and mucus myeloperoxidase activity in red sea bream, will provide a more comprehensive outlook of the effects of probiotics to relieve stress in fish.

Authors+Show Affiliations

The United Graduate School of Agriculture Sciences, Kagoshima University, 1-21-24 Korimoto, Kagoshima, 890-0056, Japan. mahmouddawood55@gmail.com. Laboratory of Aquatic Animal Nutrition, Faculty of Fisheries, Kagoshima University, 4-50-20, Kagoshima, 890-0056, Japan. mahmouddawood55@gmail.com. Department of Aquaculture, Faculty of Aquatic and Fisheries Sciences, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt. mahmouddawood55@gmail.com.Laboratory of Aquatic Animal Nutrition, Faculty of Fisheries, Kagoshima University, 4-50-20, Kagoshima, 890-0056, Japan.Laboratory of Aquatic Animal Nutrition, Faculty of Fisheries, Kagoshima University, 4-50-20, Kagoshima, 890-0056, Japan.Department of Nutrition and clinical nutrition, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt.Laboratory of Aquatic Animal Nutrition, Faculty of Fisheries, Kagoshima University, 4-50-20, Kagoshima, 890-0056, Japan.Laboratory of Aquatic Animal Nutrition, Faculty of Fisheries, Kagoshima University, 4-50-20, Kagoshima, 890-0056, Japan.Laboratory of Aquatic Animal Nutrition, Faculty of Fisheries, Kagoshima University, 4-50-20, Kagoshima, 890-0056, Japan.Laboratory of Aquatic Animal Nutrition, Faculty of Fisheries, Kagoshima University, 4-50-20, Kagoshima, 890-0056, Japan.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

27542150

Citation

Dawood, Mahmoud A O., et al. "Physiological Response, Blood Chemistry Profile and Mucus Secretion of Red Sea Bream (Pagrus Major) Fed Diets Supplemented With Lactobacillus Rhamnosus Under Low Salinity Stress." Fish Physiology and Biochemistry, vol. 43, no. 1, 2017, pp. 179-192.
Dawood MA, Koshio S, Ishikawa M, et al. Physiological response, blood chemistry profile and mucus secretion of red sea bream (Pagrus major) fed diets supplemented with Lactobacillus rhamnosus under low salinity stress. Fish Physiol Biochem. 2017;43(1):179-192.
Dawood, M. A., Koshio, S., Ishikawa, M., El-Sabagh, M., Yokoyama, S., Wang, W. L., Yukun, Z., & Olivier, A. (2017). Physiological response, blood chemistry profile and mucus secretion of red sea bream (Pagrus major) fed diets supplemented with Lactobacillus rhamnosus under low salinity stress. Fish Physiology and Biochemistry, 43(1), 179-192. https://doi.org/10.1007/s10695-016-0277-4
Dawood MA, et al. Physiological Response, Blood Chemistry Profile and Mucus Secretion of Red Sea Bream (Pagrus Major) Fed Diets Supplemented With Lactobacillus Rhamnosus Under Low Salinity Stress. Fish Physiol Biochem. 2017;43(1):179-192. PubMed PMID: 27542150.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Physiological response, blood chemistry profile and mucus secretion of red sea bream (Pagrus major) fed diets supplemented with Lactobacillus rhamnosus under low salinity stress. AU - Dawood,Mahmoud A O, AU - Koshio,Shunsuke, AU - Ishikawa,Manabu, AU - El-Sabagh,Mabrouk, AU - Yokoyama,Saichiro, AU - Wang,Wei-Long, AU - Yukun,Zhang, AU - Olivier,Adissin, Y1 - 2016/08/19/ PY - 2015/10/20/received PY - 2016/08/11/accepted PY - 2016/8/20/pubmed PY - 2017/3/8/medline PY - 2016/8/20/entrez KW - Lactobacillus rhamnosus KW - Low salinity stress KW - Mucus secretion KW - Myeloperoxidase KW - Physiological response SP - 179 EP - 192 JF - Fish physiology and biochemistry JO - Fish Physiol Biochem VL - 43 IS - 1 N2 - Environmental stressors caused by inadequate aquaculture management strategies suppress the immune response of fish and make them more susceptible to diseases. Therefore, efforts have been made to relieve stress in fish by using various functional feed additives in the diet, including probiotics. The present work evaluates the effects of Lactobacillus rhamnosus (LR) on physiological stress response, blood chemistry and mucus secretion of red sea bream (Pagrus major) under low salinity stress. Fish were fed four diets supplemented with LR at [0 (LR0), 1 × 102 (LR1), 1 × 104 (LR2) and 1 × 106 (LR3) cells g-1] for 56 days. Before stress, blood cortisol, urea nitrogen (BUN) and total bilirubin (T-BIL) showed no significant difference (P > 0.05), whereas plasma glucose and triglyceride (TG) of fish-fed LR2 and LR3 diets were significantly lower (P < 0.05) than those of the other groups. Plasma total cholesterol (T-CHO) of fish-fed LR3 diet was significantly (P < 0.05) lower than that of the other groups. Furthermore, total plasma protein, mucus myeloperoxidase activity and the amount of mucus secretion were significantly enhanced in LR-supplemented groups when compared with the control group (P < 0.05). After the application of the low salinity stress test, plasma cortisol, glucose, T-CHO and TG contents in all groups showed an increased trend significantly (P < 0.01) compared to the fish before the stress challenge. However, plasma total protein and the amount of secreted mucus showed a decreased trend in all groups. On the other hand, BUN, T-BIL and mucus myeloperoxidase activity showed no significant difference after exposure to the low salinity stress (P > 0.05). In addition, the fish that received LR-supplemented diets showed significantly higher tolerance against low salinity stress than the fish-fed LR-free diet (P < 0.05). The physiological status and the detected immune responses, including total plasma protein and mucus myeloperoxidase activity in red sea bream, will provide a more comprehensive outlook of the effects of probiotics to relieve stress in fish. SN - 1573-5168 UR - https://www.unboundmedicine.com/medline/citation/27542150/Physiological_response_blood_chemistry_profile_and_mucus_secretion_of_red_sea_bream__Pagrus_major__fed_diets_supplemented_with_Lactobacillus_rhamnosus_under_low_salinity_stress_ L2 - https://dx.doi.org/10.1007/s10695-016-0277-4 DB - PRIME DP - Unbound Medicine ER -