Improved resistance against White Spot Virus (WSV) infection in tiger shrimp, Penaeus monodon by combined supplementation of peptidoglycan and mannan oligosaccharide (MOS)
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CitationApines-Amar, M. J. S., Andrino, K. G. S., Amar, E. C., Cadiz, R. E., & Corre Jr., V. L. (2014). Improved resistance against White Spot Virus (WSV) infection in tiger shrimp, Penaeus monodon by combined supplementation of peptidoglycan and mannan oligosaccharide (MOS).
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Conference paperF Piedad-Pascual - In RD Fortes, LC Darvin & DL de Guzman (Eds.), Fish and Crustacean Feeds and Nutrition. Proceedings of the Seminar-Workshop on Fish and Crustacean Feeds and Nutrition, 25-26 February 1985, Iloilo City, Philippines, 1989 - Philippine Council for Aquatic and Marine Research and DevelopmentThis paper echoes what transpired during the first International Conference of Penaeid Prawns/Shrimps held in Iloilo City in December 4-7, 1984, particularly on the Nutrition nd Feed Development. Around 25 papers were presented during the conference. The nutrient requirements of P. japonicus and to some extent, P. monodon have been studied quite extensively compared to other penaeid species. Requirements for protein, carbohydrates fats, amino acids and essential fatty acids for juveniles and larvae have been defined compared to those of the broodstock. Optimum protein levels for prawn juveniles vary from 28-38% for P. kerathurus, 40-46% for P. monodon, 43% for P. indicus and 50-54% for P. japonicus. Dissacharides like sucrose and trehalose have been found to be good source of carbohydrates at 20-25% in the diet. Crustacean diets require around 0.5% cholesterol. There are few studies on vitamine and mineral requirements. There are artificial diets for juveniles and microencapsulated diets that can completely replace live organisms as larval feed. Microencapsulated diets have been field-tested for P. vannamei, P. stylirostris, P. monodon, P. indicus and P. merguiensis in Ecuador, Taiwan, Malaysia, Thailand and the Philippines. When a commercial diet for the broodstock becomes available ther will be an artificial diet for athe life cycle of tha prawn.
Conference paperF Piedad-Pascual - In Advances in Tropical Aquaculture: Workshop at Tahiti, French Polynesia, February 20 - March 4, 1989, 1990 - Institut Francais de Recherche pour l'Exploitation de la Mer
Series: Actes de Colloque 9Marine shrimps absorb minerals from their aquatic environment aside from the minerals that come from the food they eat. Thus, the dietary requirement of shrimps for certain minerals will depend on the amounts and availability of these minerals in the aquatic environment. Dietary sources for growth may be necessary due to losses during moltings. Most of the dietary studies for mineral requirements have been done under laboratory conditions with purified or semi-purified diets and hardly any information is available under practical culture conditions. Most published data for mineral requirements are for juvenile Penaeus japonicus. There are few data for P. monodon, P. californiensis, P. merguiensis, P. aztecus. Calcium and phosphorus are the minerals that have been studied the most. These two have been found to be related to problems of soft-shelling in P. monodon. Apparently calcium and phosphorus requirements are within the range of 1 to 2%. The ratio of calcium to phosphorus in the diet is also an important factor in the efficient utilization of both minerals. It seems that a 1 :1 ratio provides for good growth. Phosphorus deficiency results in reduced growth while lack of magnesium brings about decreased growth, poor survival and reduced feed efficiency in P. japonicus. Iron toxicity has also been observed in P. japonicus. It might not be necessary to include some minerals in the diet of penaeids.
ArticleJH Primavera -
Estuarine, Coastal and Shelf Science, 1998 - ElsevierA total of 4845 penaeids belonging to nine species—Metapenaeus anchistus, M. ensis, M. moyebi, M. philippinensis, Penaeus merguiensis, P. monodon, P. semisulcatus, P. latisulcatus and Metapenaeopsis palmensis—were collected by pocket seine monthly over 13 months from mangrove and non-mangrove sites in Guimaras, Philippines. The restricted distribution of the three dominant species—M. ensisandP. merguiensisto the brackish water riverine mangrove, andM. anchistusto the high-salinity island mangrove and tidal flat—is probably related to different salinity and substrate preferences. Abundance and size composition of the major species suggest a strong nursery role for the riverine mangrove (high juvenile densities, relatively small sizes year-round), limited nursery use of the island mangrove (fewer shrimps, larger size ranges, presence of maturing females) and a non-nursery use (e.g. foraging) in the tidal flat. Penaeid recruitment to the river had two peaks in November and May when the average salinity was ∼20 (Practical Salinity Scale) and water temperatures were high (30–31 °C). The spatio-temporal pattern of penaeid species in Guimaras shows partitioning across habitats and seasonal recruitment influenced by physical and biological factors.