Manual for the commercial pond production of the african catfish in uganda. The relative gut index has been found to vary from the lowest 0. Some aspects of the biology of ikan baung, mystus nemurus. The axons of the olfactory neurons form a short olfactory nerve and terminate in the relay structure called the olfactory bulb. A 10 week experiment was conducted to determine theeffects of feeding rate on growth, feed utilizationand body composition of the tropical bagrid catfish, mystus nemurus. Pdf identification and characterization of malaysian. Twenty polymorphic microsatellite loci were used as markers for population characterization of m. The connections from the olfactory bulbs to the brain are long and form three nerves bundles on each side figure 5. Production of freshwater ornamental fishes is also becoming significant. Six isoenergetic pratical diets ranging from 27% to 50% protein were fed for 12 weeks to triplicate groups of the freshwater catfish mystus nemurus 25. Effect of hydrogen sulphide on liver somatic index and fultons.
In the crucian carp figure 1, the olfactory rosettes figure 4 are found midway between the snout and the eye. A total of 143 microsatellites were isolated from mystus nemurus using a 5. The indigenous freshwater catfish mystus nemurus and carp probarbus julleini have recently been bred in captivity and cultured experimentally. Mohsinreproductive biology of a tropical catfish, mystus nemurus c. Tropical bagrid catfish, mystus nemurus is a popular species and forms a substantial part of malaysia reservoir fisheries. Reproductive performance of asian catfish hemibagrus. Genetic variation, population structure and identification. Population structure of the southeast asian river catfish. Analysis of stomach content of piscivorous fishes caught. Newly developed microsatellite markers of mystus nemurus tested for crossspecies amplification in two distantly related aquacultured catfish species s. Siluriformes in central indochina with a new species from the mekong river ng heok hee department of bf\llogical sciences, national university of singapore, 10 kent ridge crescent. Growth performance and carcass quality of river catfish.
Linkage mapping in ikan baung, mystus nemurus, using microsatellite markers which ispart of amalaysiathailand bilateral biotechnology project on genome mapping offreshwater catfish. There are currently 45 recognized species in this genus. Optimum dietary protein requirement of a malaysian freshwater. Pertumbuhan benihikan baung hemibagrus nemurus dalam keramba jaring apung yang diberi pakan buatan dengan kadar protein berbeda growth of green catfish hemibagrus nemurus fry in floating net cage feed by artificial food with different protein content.
Pdf identification and characterization of malaysian river catfish. It 1s hereby certlfied that we have read this thesis entitled some aspects of the biology of ikan baung, mystus nemurus. Segregation and genetic linkage analyses of river catfish, mystus nemurus, based on microsatellite markers b. There is no available report on histological observation of the anterior kidney of the yellow mystus hemibagrus filamentus fang and chaux, 1949. Isolation and characterization of microsatellites in the. Kajian makanan dan kaitannya dengan reproduksi ikan. The fish is a bottom feeder and fed extensively on a wide range, of food items that include teleosts, crustaceans, benthic invertebrates and detrital materials. Influence of cryoprotectants on abnormality and motility of baung mystus nemurus spermatozoa after longterm cryopreservation za muchlisin, mns azizah cryobiology 58 2, 166169, 2009. Introduction river catfish, mystus nemurus is a species distributing. Catfish fingerlings with anaverage initial body weight of 12 g were fed apractical diet 36. Newly developed microsatellite markers of mystus nemurus. Reproductive biology of a tropical catfish, mystics.
During pleistocene glacial maxima, the sea level was lower than at present and the islands of the sunda shelf sumatra, borneo. Mystus nemurus, larvae anuar hassan and tran ngoc hai faculty ofapplied science and technology universiti putra malaysia terengganu, mengabang telipot, 21030 kuala terengganu, malaysia keywords. Reproductive biology of oreochromis niloticus perciformes. Effect of hydrogen sulphide on liver somatic index and fultons condition factor in mystus nemurus. In spite of several studies having been conducted on the feeding and breeding biology of this fish species, consolidated information on these aspects is. We postulated that the biogeographical history of south. It was of interest to examine levels of genetic subpopulation differentiation among samples of this species obtained from parts of its range, as well as to compare the genetics of wild and hatcherybred fish. Those caught at the ta station were from six species of four families, including cryptopterus spp. A total of 26 simple sequence repeats were identified using a random amplified polymorphic dna rapd based technique in the southeast asian river catfish mystus nemurus.
Department of biology, upm for her invaluable contribution, inputs and careful supervision. Rapid and nonradioactive detection method of microsatellites in mystus nemurus. Hemibagrus is a genus of catfishes order siluriformes of the family bagridae the genus hemibagrus is known from southeast asia, india, and southern china. The piscivorous fishes caught in this investigation were far more diverse than in. Food and feeding habit of a freshwater catfish, mystus tengara siluriformes. Mystus is a genus of fish in the family bagridae native to asia. Yusoff1 department of biology, faculty of science, universiti putr a. Practical manual for the culture of the african catfish clarias.
It is indeed not an exaggeration that this study would never have been possible without this financial assistance. Biology and culture of siganids seafdec philippines. Segregation and genetic linkage analyses of river catfish. Pdf ultra structure of baung mystus nemurus spermatozoa. Biology of mystus nemurus anatomy and histology of the testis morphology of the spermatozoa milt composition. Random amplified polymorphic dna rapd and intersimple sequence repeat issr markers were used to investigate the genetic structure of four subpopulations of mystus nemurus in thailand. The river catfish mystus nemurus is an important fresh water species for aquaculture in malaysia. Optimum dietary protein requirement of a malaysian. Yusoff 4,5 1institute of medical molecular biotechnology, faculty of medicine, universiti teknologi mara, jalan hospital, sg buloh, selangor, malaysia 2department of aquaculture, faculty of agriculture. Genetic variation and phylogenetic analysis of indonesian. Biochemical polymorphism in yellow catfish, mystus nemurus. Cross species amplification of ikan kelah, tor tambroides by using mystus nemurus microsatellite markers pairs but they were not considered for band scoring fig. Fishes of the nam theun and xe kottelat, 20 mccusker, m. Mystus nemurus broodstock bought from rawang, selangor in march 1995, conditioned in the hatchery unit of universiti putra malaysia were used for all the.
Mystus vittatus is an important catfish species having good market demand as food fish and recently it has also made its entry in ornamental fish markets. Mystus nemurus broodstock bought from rawang, selangor in march 1995,\ud conditioned in the hatchery unit of universiti putra malaysia were used for all the\ud experiments including larvae. Other exotic species recently bred and cultured are the african catfish clarias gariepinus and the pacu piaractus brachypomus. Pdf biochemical polymorphism in yellow catfish, mystus. Members of this genus are found ubiquitously in river drainages east of the gangesbrahmaputra basin and south of the yangtze basin, and reach their greatest diversity in sundaland this genus consists of largesized catfishes. Hemibagrus nemurus from musi and penukal river, south sumatra indonesia. Cyclical starvation and refeeding in order to induce compensatory growth were investigated in juvenile yellow mystus hemibagrus nemurus. Phylogeographic structure in mitochondrial dna of a south.
Allele frequency, levels of heterozygosity and fstatistics the highest allele frequency among the populations studied was found in. Hemibagrus nemurus from musi and penukal river, south. Effects of feeding rate on growth, feed utilizationand. Phylogenetic relationships within this genus are poorly understood, though it has been suggested that there are two major lineages. This species is also found in the rivers of indonesia, especially in the acheh province and in other asian countries such as thailand and vietnam. Mathematical modelling for fish feed formulation of mystus nemurus. Rapd and aflp analysis article pdf available in biochemical genetics 3834. We report on the characterization of five polymorphic microsatellite loci in m.
Feeding biology analysis as a preliminary step for the. Meanwhile, aryani and suharman 20 suggest that a minimum of 32% crude protein should be included in the diet of female h. Preliminary study on the cryopreservation of tropical bagrid catfish mystus nemurus spermatozoa. Cross species amplification of ikan kelah, tor tambroides. Some aspects of the biology of ikan baung, mystus nemurus c. Occurs in most habitat types, but most frequent in large muddy rivers, with slow current and soft bottom ref. Feeding biology analysis as a preliminary step for the cultivation of mystus gulio hamiltonbuchanan seethal lal. Ekologi ikan baceman mystus nemurus di sungai klawing kabupaten perbalingga dan beberapa faktor yang. Feeds on exogenous insects, aquatic insect larvae, shrimps, other crustaceans and fishes. Proceedings of the 6th symposium of the malaysian society of applied biology, 12 february 2001 at monash university malaysia.
Optimum dietary protein requirement of a malaysian freshwater catfish, mystus nemurus. Intermittent feeding induces compensatory growth of. Pdf food and feeding habit of a freshwater catfish. Arvanitoyannis, aikaterini kassaveti, in waste management for the food industries, 2008. Pdf sperm cryopreservation of some freshwater fish species in.