High dietary protein combats the stress of Labeo rohita fingerlings exposed to heat shock

Kumar, Shivendra; Sahu, Narottam Prasad; Pal, A. K.; Subramanian, Saravanan; Priyadarshi, Himanshu; Kumar, Vikas

doi:10.1007/s10695-011-9504-1

Cited by 23 publications

(14 citation statements)

References 62 publications

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“…The small size of the fish used in this study may have reduced their ability to tolerate rapid temperature change. Diet can also alter sensitivity to thermal fluctuations (Kumar et al 2011), and the high feeding rates exhibited by the fish in our study may have enhanced their thermal tolerance. Populations of the same species may also differ in their sensitivity to thermal stress, in part through their ability to tolerate anoxia (Pörtner and Farrell 2008;Fangue et al 2009).…”

Section: Discussionmentioning

confidence: 79%

Fish growth, physiological stress, and tissue condition in response to rate of temperature change during cool or warm diel thermal cycles

Eldridge

Sweeney

Law

2015

Can. J. Fish. Aquat. Sci.

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The effect of the rate of temperature change on fish was studied by exposing a variety of North American fish species to diel temperature cycles containing rates of change of 0.8, 1.1, 2.2, or 4.4°C·h −1 . During a simulated cool season (3.9-11.7°C), bluntnose minnow (Pimephales notatus), spotfin shiner (Cyprinella spiloptera), and white sucker (Catostomus commersonii), but not smallmouth bass (Micropterus dolomieu), gained mass in response to 0.8, 1.1, or 2.2°C·h −1 but not constant mean temperature. White sucker did not grow under 4.4°C·h −1 , which was slower than expected based upon bioenergetics models. Physiological indicators of acute stress (day 1 cortisol), chronic stress (day 44 cortisol and triglycerides), and histomorphological measures suggested no effect of treatment. During a simulated warm season (20.0-27.8°C), growth by channel catfish (Ictalurus punctatus), rosyside dace (Clinostomus funduloides), smallmouth bass, and spotfin shiner was not altered by any rate of temperature change; however, walleye (Sander vitreus) and white sucker grew slower than expected under 4.4°C·h −1 . Physiological indicators of acute stress (day 1 cortisol), chronic stress (day 29 cortisol and triglycerides), and histomorphological measures suggested no effect of treatment. Chronic exposure to temperature change of 4.4°C·h −1 may not induce an acute or chronic stress response but may slightly impair growth for some species.Résumé : L'effet du taux de variation de la température sur les poissons a été étudié en exposant diverses espèces de poissons nord-américains à des changements de température de 0,8, 1,1, 2,2 ou 4,4°C·h −1 incorporés dans les cycles thermiques nycthé-méraux. Durant une saison froide simulée (3,9-11,7°C), des ventres-pourris (Pimephales notatus), des ménés bleus (Cyprinella spiloptera) et des meuniers noirs (Catostomus commersonii), mais non des achigans à petite bouche (Micropterus dolomieu), ont gagné du poids en réponse aux traitements à 0,8, 1,1 et 2,2°C·h −1 , mais non à température moyenne constante. Les meuniers noirs n'ont pas crû à des taux de réchauffement inférieurs à 4,4°C·h −1 , ce qui est plus lent que prévu selon des modèles bioénergétiques. Les indicateurs physiologiques de stress aigu (cortisol au 1 er jour) et de stress chronique (cortisol et triglycérides au 44 e jour) et les mesures histomorphologiques ne semblent indiquer aucun effet des traitements. Pendant une saison chaude simulée (20,0-27,8°C), la croissance des barbues de rivière (Ictalurus punctatus), des ménés (Clinostomus funduloides), des achigans à petite bouche et des ménés bleus n'a été modifiée par aucun des taux de réchauffement; cependant, les dorés jaunes (Sander vitreus) et les meuniers noirs ont crû moins vite que prévu à des taux inférieurs à 4,4°C·h −1 . Les indicateurs physiologiques de stress aigu (cortisol au 1 er jour) et de stress chronique (cortisol et triglycérides au 29 e jour) et les mesures histomorphologiques ne semblent indiquer aucun effet des traitements. Si l'exposition chronique à des changemen...

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Section: Discussionmentioning

confidence: 79%

Fish growth, physiological stress, and tissue condition in response to rate of temperature change during cool or warm diel thermal cycles

Eldridge

Sweeney

Law

2015

Can. J. Fish. Aquat. Sci.

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“…Enzyme analysis [Hexokinase (HK), glucokinase (GK), pyruvate kinase (PK), glucose 6‐phosphate dehydrogenase, glucose 6‐phosphatase, fructose 1,6‐bisphosphatase, alanine aminotransferase (ALT)and aspartate aminotransferase (AST)] was carried out as mentioned previously in Kumar et al . ().…”

Section: Methodsmentioning

confidence: 97%

Short-term exposure to higher temperature triggers the metabolic enzyme activities and growth of fishLabeo rohitafed with high-protein diet

et al. 2012

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Six hundred Labeo rohita (average weight, 6.78 g) were distributed in 24 tanks (25 fish per tank), which were allotted to eight experimental groups in triplicates. Half of the experimental groups were maintained at ambient water temperature of 26°C, whereas the other half were exposed to 32°C for 1 week then later maintained at 26°C for 4 weeks. Fish reared under different temperature regimes were fed one of the four diets containing 200 g kg −1 , 300 g kg −1 , 400 g kg −1 or 450 g kg −1 protein. Growth, feed efficiency and protein retention were higher at 32°C and continued for the next 2 weeks after decreasing the temperature. The dietary protein level and water temperature interactions were more effective in modulating the response of hepatic glucokinase than that of hexokinase and pyruvate kinase. In contrast, hepatic gluconeogenesis was not affected by rearing temperature. Hepatic aspartate aminotransferase and alanine aminotransferase activity was found higher (P < 0.05) at low temperature and at high protein level. It is suggested that the metabolic activities of fish are triggered by short-term exposure to higher temperature and the increased metabolic activity extended for a duration of 3 weeks during which 400 g kg −1 dietary protein level was found to support growth of fish.

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“…The main reason behind this could be increase in total carbohydrate inclusion with the increase in diet CP to maintain isocaloric nature of the diets, and higher glucose concentration and cortisol level in the low‐protein fed group are a result of stress due to high dietary carbohydrate (Kumar et al . ). In different mixed feeding schedule groups, increase in dietary protein level increased the blood glucose and serum cortisol level, suggesting that high level of dietary protein also induces stress to fish.…”

Section: Discussionmentioning

confidence: 97%

Mixed feeding schedule of low and high protein in the diet ofLabeo rohita(Hamilton) fingerlings: effect on growth performance, haemato-immunological and stress responses

et al. 2015

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Four experimental diets D 1 , D 2 , D 3 and D 4 having 100, 300, 350 and 400 g protein kg À1 diet, respectively, were prepared. Fingerlings of Labeo rohita (5.45 AE 0.03 g) were fed with different diets following a mixed feeding schedule with the feeding cycle of 28 days that consisted of either 28 days feeding of diet D 1 or D 2 or 21 days feeding with D 1 diet and 7 days with either D 3 or D 4 diet. Different treatments were T 1 (D 1 for 28 days), T 2 (D 2 for 28 days), T 3 (D 1 for 21 days and D 2 for 7 days), T 4 (D 1 for 21 days and D 3 for 7 days) or T 5 (D 1 for 21 days and D 4 for 7 days). Fingerlings were sampled after three feeding cycles (84 days). Higher (P < 0.05) growth performance and protein utilization efficiency were found in the T 3 group, which was similar to the T 2 group. The blood count, NBT, lysozyme activity, serum parameters and stress indicator parameters also complement for the better immunity in the T 2 and T 3 groups. Therefore, it could be concluded that fingerlings feeding alternately a low-protein diet (D 1 ) for 21 days followed by a normal-protein diet (D 2 ) for 7 days in a cycle of 28 days for 84 days maintained better growth and health status.

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High dietary protein combats the stress of Labeo rohita fingerlings exposed to heat shock

Cited by 23 publications

References 62 publications

Fish growth, physiological stress, and tissue condition in response to rate of temperature change during cool or warm diel thermal cycles

Fish growth, physiological stress, and tissue condition in response to rate of temperature change during cool or warm diel thermal cycles

Short-term exposure to higher temperature triggers the metabolic enzyme activities and growth of fishLabeo rohitafed with high-protein diet

Mixed feeding schedule of low and high protein in the diet ofLabeo rohita(Hamilton) fingerlings: effect on growth performance, haemato-immunological and stress responses

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