Immune and physiological responses of pufferfish ( Takifugu obscurus ) under cold stress

Cheng, Chang-Hong; Ye, Chaoxia; Guo, Zhiyong; Wang, An‐Li

doi:10.1016/j.fsi.2017.03.003

Cited by 143 publications

(69 citation statements)

References 37 publications

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“…In the current study, cortisol and GLU content increased in each experimental group when the water temperature decreased from 15 to 10°C. These results are in agreement with those of previous studies on tilapia (Qiang, Yang, Wang, Xu, & He, ) and puffer fish, Takifugu obscurus (Cheng, Ye, Guo, & Wang, ). Tilapia showed stress reactivity under low‐temperature stress.…”

Section: Discussionsupporting

confidence: 93%

“…Serum cortisol and GLU content are considered to be important indicators of stress response in fish (Fanouraki, Mylonas, Papandroulakis, & Pavlidis, 2011;Liew, Fazio, Faggio, Blust, & Boeck, 2015;Wedemeyer, 1976). In the current study, cortisol and GLU content increased in each experimental group when the water temperature decreased from 15 to 10 C. These results are in agreement with those of previous studies on tilapia (Qiang, Yang, Wang, Xu, & He, 2012) and puffer fish, Takifugu obscurus (Cheng, Ye, Guo, & Wang, 2017). Tilapia showed stress reactivity under low-temperature stress.…”

Section: Discussionsupporting

confidence: 92%

“…In the present study, SOD activity in the liver first decreased and then increased slightly with decreasing water temperature, whereas MDA content increased. The results of the current study were similar to previous studies on tilapia (Shi et al, ), swimming crab, Portunus trituberculatus (Meng, Liu, Li, Gao, & Chen, ), and puffer fish (Cheng et al, ). To date, many studies have confirmed that A. membranaceus and its extracts have significant antioxidant activities (Jia et al, ; X. L. Jiang et al, ; M. Li et al, ).…”

Section: Discussionsupporting

confidence: 92%

See 2 more Smart Citations

Improving low‐temperature stress tolerance of tilapia, Oreochromis niloticus: A functional analysis of Astragalus membranaceus

Yang

Huang

et al. 2019

J World Aquaculture Soc

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A 54‐day experiment was conducted to investigate the effects of dietary supplementation of Astragalus membranaceus extract powder (AMEP) on the low temperature tolerance of genetically improved farmed tilapia, Oreochromis niloticus. The base diet was supplemented with 0.0% (NC), 0.1% (NP0.1), 0.2% (NP0.2), and 0.4% (NP0.4) AMEP. Tilapia with an initial body weight of 21.35 ± 0.17 g were fed three times a day for 14 days at 30°C and then fed for 40 days while the water temperature decreased at a rate of 0.5°C/day. The results showed that survival, final weight, and the rate of weight gain in fish in the NP0.1, NP0.2, and NP0.4 groups were higher than those of fish in the NC group. The contents of glucose, triglyceride, cholesterol, and nitric oxide in the serum of fish fed diets supplemented with AMEP were all significantly lower than those of fish in the NC group. In contrast, fish fed with AMEP‐supplemented diets had higher liver superoxide dismutase, glutathione peroxidase and catalase activities, and lower malonaldehyde content than those of fish in the NC group at 10°C. The expression of the growth‐arrest‐specific 2 gene in the liver was significantly lower in the NP0.2 and NP0.4 groups than in the NC group. The results of this study demonstrated that the optimal level of AMEP supplementation was 0.2% under the conditions used in the current study. Optimum dietary AMEP can promote growth performance and facilitate the survival of tilapia under low‐temperature stress.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionsupporting

confidence: 92%

Section: Discussionsupporting

confidence: 92%

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Improving low‐temperature stress tolerance of tilapia, Oreochromis niloticus: A functional analysis of Astragalus membranaceus

Yang

Huang

et al. 2019

J World Aquaculture Soc

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“…Low and high ambient temperatures can increase generation of reactive oxygen species (ROS) in ectotherms (Paital, 2016) and the overproduction of ROS can damage critical biomolecules such as DNA, proteins and lipids, consequently causing impaired cellular function and oxidative stress (Cheng et al, 2015(Cheng et al, , 2017. To counteract oxidative stress, all organisms are equipped with antioxidant defence systems, including antioxidant enzymes, such as superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx) and some non-enzymatic antioxidants (Dawson and Storey, 2016;Li et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Effects of both cold and heat stresses on the liver of giant spiny frog Quasipaa spinosa: stress response and histological changes

Liu

et al. 2018

Journal of Experimental Biology

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Ambient temperature-associated stress can affect normal physiological functions in ectotherms. To assess the effects of cold or heat stress on amphibians, giant spiny frogs () were acclimated at 22°C followed by exposure to 5°C or 30°C for 0, 3, 6, 12, 24 and 48 h, respectively. Histological alterations, apoptotic index, generation of mitochondrial reactive oxygen species (ROS), antioxidant activity indices and stress-response gene expression in frog livers were subsequently determined. Results showed that many fat droplets appeared after 12 h of heat stress and the percentage of melanomacrophage centres significantly changed after 48 h at both stress conditions. Furthermore, the mitochondrial ROS levels were elevated in a time-dependent manner up to 6 h and 12 h in the cold and heat stress groups, respectively. The activities of superoxide dismutase, glutathione peroxidase and catalase were successively increased with increasing periods of cold or heat exposure, and their gene expression levels showed similar changes in both stress conditions. Most tested heat shock protein (HSP) genes were sensitive to temperature exposure, and the expression profiles of most apoptosis-related genes was significantly upregulated at 3 and 48 h under cold and heat stress, respectively. Apoptotic index at 48 h under cold stress was significantly higher than that under heat stress. Notably, lipid droplets, , and might be suitable bioindicators of heat stress. The results of these alterations at physiological, biochemical and molecular levels might contribute to a better understanding of the stress response of, and perhaps amphibians more generally, under thermal stress.

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“…Total plasma protein has been frequently used to elucidate the health status and mechanisms of the biological metabolism of animals under environmental stressors (Cheng et al, 2017), since they have fundamental roles in the physiological and immunological systems and are the main components of serum (Kumar et al, 2005), its decrease may be indicative of physiological deficiency (Moreira et al, 2015). Mean plasma protein reference values for healthy tilapia were averaged between 3.0 and 7.7 g dL -1 (Araujo et al, 2015).…”

Section: Discussionmentioning

confidence: 99%

Effect of Mechanical Vibrations During Transport Operations of Nilo Tilapia (Oreochromis niloticus)

Rebouças¹,

Almeida²,

Paula³

et al. 2019

JAS

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Oscillatory movements present in the transport of live fish may compromise the physiological stability and the future performance of the animals. Therefore, the objective of this research was to evaluate the effect of mechanical vibrations in the transport of Nile tilapia through vibration levels and shocks occurred in transport boxes previously installed in a truck. The research was carried out in a fish farming integrating company in the state of Ceará, Brazil, with the monitoring of 5 live fish loads. The transport truck used was of the open type, with capacity for five boxes of fiberglass with a useful volume of 2400 L, density of 236 kg m-3. The data were recorded through five dataloggers, to monitor the vibration level (m s-2) and the occurrence and amplitude of mechanical shocks on the roads. Hematological, metabolic and ionic responses of fish were evaluated as well as visual observations of physical injuries. The most intense shocks occurred with the truck between 60 and 80 km h-1, with vibrations 1.151 m s-2 in the transport box, as well as in the water 0.489 m s-2. Larger vibration levels occurred on the asphalt road, with an average value of 1.13 m s-2, while on the dirt road they registered an average of 0.57 m s-2. Vibratory and mechanical stimuli presented secondary responses to blood level stress with alterations in glycemia, hematocrit, hemoglobin and magnesium ions. Physical lesions with 34% severe and 21% moderate, showed an uncomfortable environmental condition to fish.

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Immune and physiological responses of pufferfish ( Takifugu obscurus ) under cold stress

Cited by 143 publications

References 37 publications

Improving low‐temperature stress tolerance of tilapia, Oreochromis niloticus: A functional analysis of Astragalus membranaceus

Improving low‐temperature stress tolerance of tilapia, Oreochromis niloticus: A functional analysis of Astragalus membranaceus

Effects of both cold and heat stresses on the liver of giant spiny frog Quasipaa spinosa: stress response and histological changes

Effect of Mechanical Vibrations During Transport Operations of Nilo Tilapia (Oreochromis niloticus)

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