Synergistic utilization of shrimp shell waste-derived natural astaxanthin with its commercial variant boosts physio metabolic responses and enhances colouration in discus (Symphysodon aequifasciatus)

Haque, Ramjanul; Sawant, Paramita Banerjee; Sardar, Parimal; Xavier, K.A. Martin; Varghese, Tincy; Chadha, N.K.; Pattanaik, Sandeep S.; Jana, Prasanta; Naik, Vinayak A.

doi:10.1016/j.enmm.2020.100405

Cited by 18 publications

(13 citation statements)

References 110 publications

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“…The body indices like HSI and ISI indicates fish metabolism along with efficiency of digestive enzymes secretion, digestion, absorption and assimilation of nutrients, health status of liver and intestine (Ighwela et al, 2014;Haque et al, 2021). In our study, though ISI exhibited with a nonsignificant relationship among the non-supplemented groups, supplementation of exogenous carbohydrases and limiting amino acids significantly decreased the ISI values in the fish of CE and LM40E groups as compared to the counter groups fed without supplements.…”

Section: Discussionmentioning

confidence: 99%

Mixed leaf meal supplemented with exogenous enzyme and limiting amino acids can completely replace DORB (de-oiled rice bran) in the diet of Labeo rohita

Mondal

Sardar

Jayant

et al. 2022

Aquat. Living Resour.

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Various single leaf meal can substitute costly de-oiled rice bran (DORB) in farm made feed for carps. However, the use of mixed leaf meal (LM) in fish feed is not reported yet. Therefore, Vigna mungo, Ipomoea aquatica and Hygrophila spinosa leaf meals were blended in an equal proportion to prepare LM. DORB was the major energy source in control diet (C) and LM substituted 50% and 100% of DORB in LM20 and LM40 experimental diets, respectively. In addition, control diet (C), LM20 and LM40 diets were supplemented with limiting amino acids and exogenous carbohydrases and denoted as CE, LM20E and LM40E, respectively. Labeo rohita fingerlings were fed till satiation for 60 days. Fish fed with LM20E diet exhibited maximum growth rates and feed conversion (p <0.05) however these were similar in C and LM40 (p > 0.05). Amylase and aminotransferase activities were positively related with growth indices (p < 0.05). Difference in hematological indices was negligible (except total leukocyte count), and lactate dehydrogenase activities in DORB and LM-based fed groups (p > 0.05) while lower superoxide dismutase activities was observed in LM fed groups (p < 0.05). The present study concluded that LM up to 400 g kg–1 could be incorporated as complete DORB replacer in L. rohita diet, however, 200 g kg–1 LM supplemented with 0.98 g L-lysine kg–1 and 1 g exogenous enzyme kg–1 registered the best growth, nutrient utilization, feed conversion ratio, physio-metabolic responses and hematological status.

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Section: Discussionmentioning

confidence: 99%

Mixed leaf meal supplemented with exogenous enzyme and limiting amino acids can completely replace DORB (de-oiled rice bran) in the diet of Labeo rohita

Mondal

Sardar

Jayant

et al. 2022

Aquat. Living Resour.

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“…Nakano and Tomlinson (1967) reported that secretion of catecholamine increased during stress condition, leading to conversion of glycogen to glucose to increase the blood glucose level. Proteins present in blood of fish are generally considered as circulating proteins and consist of albumin and globulin (Haque et al, 2021). Albumin maintains the cellular fluid volume via osmotic force while globulin acts as precursor of different immune proteins and thus modulating the immune system of the body (Debnath et al, 2007).…”

Section: Discussionmentioning

confidence: 99%

“…Proteins present in blood of fish are generally considered as circulating proteins and consist of albumin and globulin (Haque et al, 2021). Albumin maintains the cellular fluid volume via osmotic force while globulin acts as precursor of different immune proteins and thus modulating the immune system of the body (Debnath et al, 2007).…”

Section: Discussionmentioning

confidence: 99%

Dietary neem oil and nonylphenol accelerate somatic growth by suppressing sex steroids mediated gonadal growth in reproductively active Labeo bata (Hamilton, 1822)

Jana

Sahu

Dasgupta

et al. 2021

Aquaculture Research

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A 90-day feeding trial was conducted to study the effect of neem oil and or nonylphenol on gonadal and somatic growth performance in active reproductive phase of Labeo bata. Two hundred twenty-five L. bata (avge. wt., 48.47 ± 1.09 g) adults were randomly distributed in five treatments following completely randomized design in triplicates. Five iso-nitrogenous, iso-caloric and iso-lipidic (30% CP, 367 kcal DE/100 g, 6% EE) practical diets were prepared viz., C (no supplements), T1 (0.5% neem oil), T2 (0.5% nonylphenol), T3, 1% combined dose (0.5% neem oil + 0.5% nonylphenol) and T4, 2% combined dose (1.0% neem oil + 1.0% nonylphenol). Lowest (p < 0.05) serum glucose, plasma protein and lipid profile values were observed in T4 group. The inhibition of gonadal development was maximum (p < 0.05) in T4 group as evident from gonado-somatic index and reduced level of plasma sex steroids associated with gonadal growth. Highest (p < 0.05) somatic growth in terms of weight gain (%), SGR and PER in T4 groups and lowest in the control group. Highest (p < 0.05) AST, ALT and lowest (p < 0.05) SOD, catalase enzyme activities were recorded in T4 group.The findings suggest dietary neem oil and nonylphenol supplementation at 2% level (1:1) can inhibit gonadal development concomitant with increased somatic growth in reproductively active L. bata. This strategy may be helpful to enhance growth of L. bata during growout phases, where significant amount of energy is diverted for reproductive organ development at the cost of somatic growth.

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“…Three fish were randomly taken for blood collection from both control and treated groups after 24 h and 72 h. Clove oil (Apollo Pharmacy, India, 50 µL L -1 ) was used to anaesthetize the fish before blood collection (Haque et al, 2021). Blood was drawn from the caudal vein using a disposable syringe (23G) rinsed with 2.7% EDTA solution.…”

Section: Sampling Procedure Collection and Processing Of Samplesmentioning

confidence: 99%

“…Blood from both control and treated fish was collected by puncturing the lateral line through a disposable syringe and transferred to individual sterilized glass vials containing 100 µl 2.7% EDTA anticoagulant (Haque et al, 2021). The blood samples were used to estimate the haematological parameters.…”

Section: Haematological Studymentioning

confidence: 99%

Effect of Organophosphate, Monocrotophos on Behavioural, Haematological, Histological and Biochemical Indices in the Subtropical Catfish Heteropneustes fossilis (Bloch, 1794)

Pattnaik

Samal

Mishra

et al. 2022

JISCAR

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A study was conducted to evaluate the impact of acute sub-lethal toxicity of monocrotophos on behavioural, biochemical, haematological and histopathological changes in Heteropneustes fossilis (49.53±0.71 g). Probit analysis showed the 96 h LC 50 of monocrotophos for H. fossilis was 20 ppm. Followed by the LC 50 value, sub-lethal concentrations for acute exposure of monocrotophos were 3 ppm in T 1 , 6 ppm in T 2 and 8 ppm in T 3 for 72 h of the experimental period. The behavioural responses observed in treated fish were: erratic movement, imbalance in swimming, surfacing, and hyperactivities. A gradual reduction in total RBC count, haemoglobin, monocyte, and basophil contents were observed with an increased concentration of monocrotophos. On other hand, the total WBC count, neutrophil, basophil and blood ESR showed reversed trend (p<0.05). Total tissue protein content of gill, liver and kidney was altered and decreased significantly (p<0.05) in monocrotophos-treated fish. Tissue lipid peroxidation (LPO) and catalase activities in gill, liver and kidney were also altered after 24 h, 72 h and followed an increasing trend in exposed fish which differed significantly (p<0.05) from the control group. Compared to the control, significant changes were observed in the histopathological architecture of blood cells and gill tissue. The overall result showed that exposure to monocrotophos severely affects fish behaviour and physiology. Therefore the misuse of the chemical may be avoided to reduce the negative impact on aquatic animals.

show abstract

Synergistic utilization of shrimp shell waste-derived natural astaxanthin with its commercial variant boosts physio metabolic responses and enhances colouration in discus (Symphysodon aequifasciatus)

Cited by 18 publications

References 110 publications

Mixed leaf meal supplemented with exogenous enzyme and limiting amino acids can completely replace DORB (de-oiled rice bran) in the diet of Labeo rohita

Mixed leaf meal supplemented with exogenous enzyme and limiting amino acids can completely replace DORB (de-oiled rice bran) in the diet of Labeo rohita

Dietary neem oil and nonylphenol accelerate somatic growth by suppressing sex steroids mediated gonadal growth in reproductively active Labeo bata (Hamilton, 1822)

Effect of Organophosphate, Monocrotophos on Behavioural, Haematological, Histological and Biochemical Indices in the Subtropical Catfish Heteropneustes fossilis (Bloch, 1794)

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