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Study of the requirements of dietary cholesterol at two different growth stages of Pacific white shrimps, Litopenaeus vannamei
Springer Science and Business Media LLC - - 2019
Two 8-week feeding experiments were conducted to investigate the cholesterol requirements of Litopenaeus vannamei at two different growth stages—with initial body weights of 0.61 ± 0.00 g (juvenile) and 4.25 ± 0.00 g (subadult). Six diets containing cholesterol (C) 0.03% (FM-fish meal), 0.09% (0.05% C), 0.14% (0.1% C), 0.27% (0.2% C), 0.47% (0.4% C), and 0.90% (0.8% C) were prepared with red fish ......
Amino acids composition and protein quality evaluation of marine species and meals for feed formulations in cephalopods
Springer Science and Business Media LLC - - 2012
The amino acid composition and protein levels of three species of cephalopods (Octopus vulgaris, Loligo gahi and Todarodes sagittatus), the natural diets of common octopus (O. vulgaris) and different kinds of meals were determined in order to optimise the content of these nutrients in artificial feeds. Arginine, leucine and lysine were the most abundant essential amino acids in cephalopods, while ......
Enhanced disease resistance in the Indian snakehead, Channa punctata against Aeromonas hydrophila, through 5 % feed supplementation with F. benghalensis (aerial root) and L. leucocephala (pod seed)
Springer Science and Business Media LLC - Tập 23 - Trang 1127-1140 - 2014
Ficus benghalensis and Leucaena leucocephala are perennial trees commonly known for their wide medicinal use in India. Immuno-stimulatory effect of F. benghalensis (aerial root) or L. leucocephala (pod seeds) 5 % powder as supplementary ingredients in the artificial fish feed of Indian spotted snakehead, Channa punctata, was compared with control group (fish fed with non-s......
Could a seasonal-like reduction in light radiation intensity affect cultured shrimp (Penaeus stylirostris stimpson) yield?
Springer Science and Business Media LLC - Tập 10 - Trang 43-55 - 2002
Experiments were carried out to establish the effect of a simulateddecrease in daylight intensity on the yield of the cultured shrimpPenaeus stylirostris. The purpose of these experiments wasto simulate the periods in intertropical regions, which may last for severaldays, when solar radiation levels fall due to seasonal cloud cover. After 4weeks of culture, the light reduction resulted in lower sh......
The effect of darkness on mating and pleopodal egg production time in a freshwater crayfish, Astacus leptodactylus Eschscholtz
Springer Science and Business Media LLC - Tập 18 - Trang 843-849 - 2009
In the present study, the effect of darkness on the timing of mating and pleopodal egg production in Astacus leptodactylus was investigated. Crayfish were exposed to three different light regimes: natural day light regime (control, mean 10.04-h light/13.96-h dark); 24-h dark (24 h D); 8-h light/16-h dark (8 L:16 D). Experiments were carried out between November 2006 and January 2007 with 36 males ......
Compound Chinese herbal extract (RMCP) supplementation improves defense against Aeromonas veronii infection in Chinese mitten crab Eriocheir sinensis
Springer Science and Business Media LLC - Tập 31 - Trang 2281-2295 - 2023
Chinese herbal medicinal preparations are considered promising immunoprophylactic agents in aquaculture. Yet the protection of Chinese mitten crabs Eriocheir sinensis against Aeromonas veronii infection using Chinese herbal medicinal preparations is still unknown. In this study, a 45-day feeding trial was carried out to examine the defense ability against A. veronii infection in E. sinensis fed di......
A bioeconomic model of a genetic improvement program of abalone
Springer Science and Business Media LLC - - 2014
Effects of dietary medicinal herbs and Bacillus on survival, growth, body composition, and digestive enzyme activity of the white shrimp Litopenaeus vannamei
Springer Science and Business Media LLC - - 2009
Status of a commercial sea scallop enhancement project in Iles-de-la-Madeleine (Quebec, Canada)
Springer Science and Business Media LLC - Tập 5 - Trang 259-266 - 1997
The main objective of the REPERE (REcherche sur le Petoncle a des fins d'Elevage et de REpeuplement) research programme, initiated in the Iles-de-la-Madeleine in 1991, was to enhance natural sea scallop (Placopecten magellanicus) populations which were greatly reduced by overfishing. Sea bed seeding was chosen as the best approach to achieve this goal. In 1992, after two years of scientific resear......
Ascorbic acid requirement and histopathological changes due to its deficiency in juvenile spotted rose snapper Lutjanus guttatus (Steindachner, 1869)
Springer Science and Business Media LLC - Tập 22 - Trang 1891-1909 - 2014
A 13-week feeding trial was conducted to determine the optimal dietary ascorbic acid (AA) requirement of juvenile spotted rose snapper (Lutjanus guttatus). Six experimental diets containing 0, 7, 19, 29, 62 and 250 mg AA equivalent kg−1 diet, supplied as l-ascorbyl-2-polyphosphate designated as VC0, VC7, VC19, VC29, VC62 and VC250, were fed ad libitum to triplicate groups of 20 juveniles [initial ......
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