Feeding trashfish Odonus niger lipid enriched Artemia nauplii on growth, stress resistance and HUFA requirements of Penaeus monodon postlarvae

Immanuel, G.; Palavesam, A.; Sivaram, V.; Babu, Mariavincent Michael; Marian, M. P.

doi:10.1016/j.aquaculture.2004.02.024

Cited by 14 publications

(19 citation statements)

References 16 publications

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“…The higher the CMI value, the lower the resistance to the salinity shock. Using this CMI value, we calculated the reduction of stress (%) following the method of Tackaert et al (1989) and Immanuel et al (2001Immanuel et al ( , 2004b.…”

Section: Stress Studymentioning

confidence: 99%

“…In an attempt to evaluate the physiological condition and possibly the quality of the shrimp postlarvae, resistance to osmotic shock was studied following the method of Tackaert et al (1989) and Immanuel et al (2001Immanuel et al ( , 2004b. After completing the dietary experiment, shrimp postlarvae fed for 25 days were exposed to hypo-and hyper-salinities of 0 and 50&, respectively, in 5-l beakers each containing 2.5 l water (25 animals each).…”

Section: Stress Studymentioning

confidence: 99%

“…The emulsified lipid diet (B) was prepared in our laboratory following the method of Watanabe et al (1982Watanabe et al ( , 1983 and Immanuel et al (2001Immanuel et al ( , 2004b and consisted of 3% Odonus niger (Trigger fish) liver oil (24% HUFA), which is the optimum concentration (Immanuel et al 2001). This liver oil (3 g) was supplemented with egg yolk (1 g), 2 g water and 10 g fat soluble vitamins and homogenized for 2-3 min with an additional 100 ml of distilled water to form an emulsion.…”

Section: Emulsified Lipid Dietmentioning

confidence: 99%

“…The weight gain was calculated by deducting the initial weight from the final weight. The specific growth rate was also calculated based on Immanuel et al (2001Immanuel et al ( , 2004b.…”

Section: Feeding Schedulementioning

confidence: 99%

“…The use of n-3-yeast (Topal; INVE Aquaculture, Dendermondem, Belgium) as an algal supplement/ substitute and the enrichment of Artemia has improved culture results (Lé ger et al 1987). Rees et al (1994) and Immanuel et al (2001Immanuel et al ( , 2004b evaluated the resistance to osmotic shocks of Penaeus monodon and P. indicus postlarvae fed with HUFAenriched Artemia nauplii and also analysed the fatty acid changes in experimental animals.…”

Section: Introductionmentioning

confidence: 99%

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Delivery of HUFA, probionts and biomedicine through bioencapsulated Artemia as a means to enhance the growth and survival and reduce the pathogenesity in shrimp Penaeus monodon postlarvae

et al. 2007

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One of the major problems in the shrimp culture industry is the difficulty in producing high-quality shrimp larvae. In larviculture, quality feeds containing a high content of highly unsaturated fatty acids (HUFA) and ingredients that stimulate stress and disease resistance are essential to produce healthy shrimp larvae. In the present study, Penaeus monodon postlarvae (PL15) were fed for 25 days on an unenriched Artemia diet (control; A) or on a diet of Artemia enriched with either HUFA-rich liver oil of the trash fish Odonus niger (B), probionts [Lactobacillus acidophilus (C1) or yeast-Saccharomyces cerevisiae (C2)] or biomedicinal herbal products (D) that have anti-stress, growth-promoting and anti-microbial characteristics. P. monodon postlarvae fed unenriched Artemia exhibited the lowest weight gain (227.9 ± 8.30 mg) and specific growth rate (9.95 ± 0.05%), while those fed the HUFA-enriched Artemia (B) exhibited the highest weight gain and specific growth rate (362.34 ± 12.56 mg and 11.77 ± 0.08%, respectively). At the end of the 25-day rearing experiment, the shrimp postlarvae (PL40) were subjected to a salinity stress study. At both low and high (0 and 50&) salinities, the group fed the control diet (A) experienced the highest cumulative mortality indices (CMI) 935.7 ± 2.1 and 1270.7 ± 3.1, respectively. Those fed diet D showed the lowest stress-induced mortality, and CMI were reduced by 31.1 and 32.3% under conditions of low and high salinity stress, respectively. A 10-day disease challenge test was conducted with the P. monodon postlarvae (PL40-PL50) by inoculating the shrimp with the pathogen Vibrio harveyi at the rate of 10 5 -10 7 CFU/ml in all rearing tanks. P. monodon postlarvae fed probiont-encapsulated Artemia diets (C1 and C2) exhibited the highest survival (94.3 and 82.3%, respectively) and lowest pathogen load (V. harveyi) in hepatopancreas (5.2 · 10 2 ± 9.0 · 10 and 4.6 · 10 2 ± 9.0 · 10 CFU g -1 , respectively) and muscle (2.0 · 10 2 ± 6 · 10 and 1.7 · 10 2 ± 8.6 · 10 CFU g -1 , respectively) tissues. The shrimp that were fed the unenriched Artemia (Control; A) showed the

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Section: Stress Studymentioning

confidence: 99%

Section: Stress Studymentioning

confidence: 99%

Section: Emulsified Lipid Dietmentioning

confidence: 99%

“…The weight gain was calculated by deducting the initial weight from the final weight. The specific growth rate was also calculated based on Immanuel et al (2001Immanuel et al ( , 2004b.…”

Section: Feeding Schedulementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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