An heterobranchus bidorsalis in uska species han actinopterygii nga ginhulagway ni geoffroy sainthilaire hadton 1809. Potentials of tridax procumbens leaf extract as antimicrobial agents for african catfish heterobranchus bidorsalis article pdf available december 2017 with 340 reads how we measure reads. Materials and methods description of the study site this study was conducted between the period of june to august, 2015 at a reputable fish hatchery of egwenomhe farms located at 3 orogun street, by s and t bus stop, isihor. In accordance with adobes licensing policy, this file may. This study seeks to compare the growth of two african catfishes and their hybrid fed with commercial diet. Olufeagba national institute for freshwater fisheries research. All structured data from the file and property namespaces is available under the. Haematological profile of heterobranchus bidorsalis geoffroy st. Download the complete fishery and aquaculture project topic and material chapter 15 titled characterization of genetic strains in clariid species, clarias gariepinus and. Free fulltext pdf articles from hundreds of disciplines, all in one place embryonic and larval developmental stages of african giant catfish heterobranchus bidorsalis geoffroy saint hilaire, 1809 teleostei, clariidae pdf paperity. Clarias gariepinus burchell, 1822, heterobranchus bidorsalis geoffroy. The stress of transportation and acclimation handling, sorting, overcrowding, physical injuries, poor water quality are the primary contributing factors to fish. Heterobranchus bidorsalis pdf this study was carried out to measure the optimum growth of heterobranchus bidorsalis and the best time to crop under maximum utilization of.
Reproductive, survival and growth performance of intergeneric cross. The dearth of african giant catfish heterobranchus bidorsalis seeds poses great threat to its aquaculture and biodiversity, hence detailed knowledge and understanding of its embryology is indispensable for its artificial propagation and conservation programmes. This study was conducted to evaluate the potentials for culturing the hybrid of clarias gariepinus. Download the complete fishery and aquaculture project topic and material chapter 15 titled characterization of genetic strains in clariid species, clarias gariepinus and heterobranchus bidorsalis using microsatellite markers here on projects. Heterobranchus bidorsalis geoffroy sainthilaire, 1809 old web site least concern media in category heterobranchus bidorsalis the following 2 files are in this category, out of 2 total. Microbial load and diversity in the gastrointestinal tract. The african catfish, clarias and heterobranchus species are considered as a highly priced fish in nigeria and africa at large 2. Haematocrit values, haemoglobin concentrations, erythrocyte. Thirtyone morphometric features and 11 meristic counts were carried out in each of 62 parental heterobranchus bidorsalis broodstock collected from different ecological zones in nigeriaonitsha, gboko and jos. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader if you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs. The family clariidae is present in african freshwater and extends to syria, southern turkey and southeast asia teugels 1996. Apr 20, 2020 heterobranchus bidorsalis pdf this study was carried out to measure the optimum growth of heterobranchus bidorsalis and the best time to crop under maximum utilization of. Microbial load and diversity in the gastrointestinal.
Pdf this study aims to investigate the use of clove oil as an anaesthetic agent for heterobranchus bidorsalis juveniles and assess the effects on the. Heterobranchus hybrid heteroclarias and clarias nigrodigitatus. X heterobranchus bidorsalis male obtained from varying female sizes in concrete tanks. Effect of imidacloprid on total protein, albumin and. Pdf growth performance and survival of heterobranchus longifilis. Abstract this study was conducted to assess the reproductive performance, growth rate and nutrient utilization capacities of pure breed heterobranchus bidorsalis h.
Hardly anything is known about the biology of this species ref. These are heterobranchus longifilis valenciennes, 184q h. Embryonic and larval developmental stages of african giant. See below for the abstract, table of contents, list of figures, list of tables, list of appendices, list of abbreviations and chapter one. Clarias gariepinus, heterobranchus bidorsalis, clarias x heterobranchus hybrid heteroclarias and clarias nigrodigitatus. Comparative analysis was carried out on induced breeding of heterobranchus bidorsalis and heterobranchus longifilis, using ovaprim at three doses, viz 4mlkg, 5mlkg and 6mlkg of female broodfish weight.
The frontal fontanelle is long and narrow while the occipital fontanelle is relatively long and is shaped like an oval. Short communication histological transmogrification in. Materials and methods description of the study site this study was conducted between the period of june to. The frontal fontanelle is long and narrow while the. Clarias gariepinus and heterobranchus bidorsalis are prominent in africa aquaculture because of. Clarias gariepinus burchell, 1822, heterobranchus bidorsalis geoffroy, 1809 and heterobranchus longifilis valenciennes, 1840. Growth and survival of fry of african catfish species, clarias gariepinus burchell, heterobranchus bidorsalis geoffery and heteroclarias reared on moina dubia in comparison with other first feed sources. Because of its relatively cheap cost, ease of handling and better survival of hatchlings from h. Clarias gariepinus and heterobranchus bidorsalis are species of high aquaculture importance in southwestern nigeria. The fish species were identified with the help of pictorial fish diagrams according to olaosebikan and raji 2004.
Heterobranchus species grows faster and attains bigger size than clarias species which matures earlier 3. Pdf growth and survival of clarias anguillaris, heterobranchus. Isiso reciprocating internal combustion engine driven alternating current generating sets, part 6. According to huisman and richter 1987, two clariids. Please enter valid pincode to check delivery available unavailable in your area. Pdf interspecific hybridization studies were carried out in heterobranchus bidorsalis and heterobranchus longifilis, to evaluate the mating. Thirty five adult heterobranchus bidorsalis mean length, 22. African catfish is popular in the market and has great potentials to boost the rapidly growing nigerian aquaculture. Clarias gariepinus and heterobranchus bidorsalis are species of high aquaculture importance in southwestern nigeria oyebola et al. Gamete from heterobranchus bidorsalis hb, heterobranchus longifilis hl and exotic dutch. Ginklasipika han iucn an species komo diri gud kababarakan. Effect of sizes of female broodstock on fry survival and.
Free fulltext pdf articles from hundreds of disciplines, all in one place embryonic and larval developmental stages of african giant catfish heterobranchus bidorsalis geoffroy saint hilaire, 1809. They are widely cultured owing to their high market price, fast growth rate and ability to withstand adverse pond conditions especially low oxygen content idodoumeh, 2003. Growth performance of two african catfishes clarias. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader if you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs alternatively, you can download the pdf file. Short communication histological transmogrification in organs. Growth and survival of clarias anguillaris, heterobranchus bidorsalis fry and their reciprocal hybrids reared in. Clarias and their hybrid as an important tool in fish breeding and genetics. Heterobranchus bidorsalis is a unique fish belonging to the family clariidae catfishes and distributed throughout africa clay, 1977, burton 1979. The favoured catfish species in nigeria aquaculture include. Apr 10, 2020 the head of heterobranchus bidorsalis is shaped like an oval and has a rectangular dorsum. The potential probiotic bacteria associated with catfish. Apr 10, 2020 heterobranchus bidorsalisthe african catfish or eellike fattyfin catfishis heterobrwnchus airbreathing catfish found in africa. Pdf anaesthetic effects and haematological responses of.
The diseased fish parts recorded high microbial load similar to the intestinal samples with more pathogenic organisms and bacteria of public health concern occurring in organs of the diseased fish. Studies on the biology and aquaculture potential of feral catfish. Growth performance of hybrid catfish clarias gariepinusx. According to huisman and richter 1987, two clariids catfishes. According to huisman and richter 1987, two clariids catfishes clarias gariepinus and heterobranchus bidorsalis are prominent in africa aquaculture because of their. One fish that has attracted great attention for culturing in nigeria is the catfish hybrid. Short description morphology morphometrics dorsal spines heterobranchuss the highest values for wg 5. Pdf potentials of tridax procumbens leaf extract as. It is closely related to the vundu catfish, which is wellknown among fishermen. Fingerling of clarias gariepinus heterobranchus bidorsalis and hybrid h. Oti 2003a reported the acute toxicity of water extract of the bark of milk bush, thevetia peruviana to african mud catfish hybrid clarias gariepinus x heterobranchus bidorsalis fingerlings. Clarias gariepinus, heterobranchus bidorsalis and their reciprocal hybrids o. Before stocking, the mean weight and mean length were taken and recorded. Fish seed of the right quality and quantity remain a major challenge facing aquaculture in nigeria.
O sofela 1federal university of agriculture, abeokuta, ogun state, nigeria. Survival, growth and feed utilization of two clariid catfish clarias gariepinus, burchell 1822 and heterobranchus bidorsalis, geoffroy, 1809. Latency period and time of hatching were similar for both fish species. Heterobranchus is a genus of airbreathing catfishes native to africa. There were significant losses of fish with increase in glyphosate herbicides concentration p heterobranchus bidorsalis male obtained from varying female sizes in concrete tanks. Dec 23, 2019 heterobranchus bidorsalis pdf shop with an easy mind and be rest assured that your online shopping experience with sapnaonline will be the best at all times. Thirtyone morphometric features and 11 meristic counts were carried out in each of 62 parental heterobranchus bidorsalis broodstock collected from different ecological zones in nigeria. Thirty landmark references were used to characterize the collection and a correlation point for proper identification of the species. Growth and survival of clarias anguillaris, heterobranchus. Potentials of tridax procumbens leaf extract as antimicrobial agents for african catfish heterobranchus bidorsalis article pdf available december 2017 with 340 reads how we measure. Comparative growth and survival of fry of clarias gariepinus. Dietary decorticated bambara groundnut vigna subterranea. The diseased fish parts recorded high microbial load similar to the intestinal samples with. Nlewadim a a, onuoha g c, and aluko p o 2004 studies on the growth and survival of fry and fingerlings of clariid catfish species.
The head of heterobranchus bidorsalis is shaped like an oval and has a rectangular dorsum. An heterobranchus bidorsalis in nahilalakip ha genus nga heterobranchus, ngan. Download fulltext pdf download fulltext pdf download fulltext pdf induced propagation of african clariid catfish, heterobranchus bidorsalis geoffrey saint hillarie, 1809 using synthetic and. Genus heterobranchus can be differentiated from other clariid catfishes by the presence of large adipose fin that followed its spineless dorsal fin. Brs bio range standard, clrs m clarias gariepinus male, hetb m. Mar 26, 2020 three female heterobranchus bidorsalisthree male heterobranchus bidorsalis and three male clarias gariepenus 0. May 02, 2020 heterobranchus bidorsalis pdf admin, may 2, 2020 this study was carried out to measure the optimum growth of heterobranchus bidorsalis and the best time to crop under maximum utilization of.
Heterobranchus bidorsalis, the african catfish or eellike fattyfin catfish, is an airbreathing catfish found in africa. May 15, 2020 heterobranchus bidorsalis pdf this study was carried out to measure the optimum growth of heterobranchus bidorsalis and the best time to crop under maximum utilization of. Pdf induced propagation of african clariid catfish. Mar 18, 2019 heterobranchus bidorsalis pdf written by admin on march 18, 2019 in relationship this study was carried out to measure the optimum growth of heterobranchus bidorsalis and the best time to crop under maximum utilization of. They are widely cultured owing to their high market price, fast growth rate and ability. Abstract this paper conducts an exposition 011 the field identification of clariid catfishes heterobranchus. Survival, growth and feed utilization of two clariid catfish clarias. An experiment was designed and carried out to assess the growth responses of heterobranchus bidorsalis fingerlings fed graded levels of toasted vigna subterranean based diets. To avoid stress due to handling, the randomly selected fish were subjected to mild anesthetization in a 20 mg l 1 solution of ms tricaine methanesulfonate purchased from sigma chemical, st. Heterobranchus bidorsalis and clarias anguillaris species from culture in outdoor concrete tanks from niffr hatchery complex were collected for this study. Photomicrographs of extruded oocyte through all developmental cell stages of live embryo to larval stage are documented with the aid. An heterobranchus bidorsalis in nahilalakip ha genus nga heterobranchus, ngan familia nga clariidae.