clarias gariepinus pdf

Probably due to its resilience, and despite promising biological traits, some aspects of welfare are either disregarded or overlooked. >> Introduction: Phenol and phenolic compounds are examples of toxic chemicals acts as endocrine disruptors; which mimic or antagonize hormones and disrupt the endocrine system. Clarias gariepinus ﬁshes (n = 4) under controlled conditions for an experimental period of 100 days. C. gariepinus available in Kenya and development of a population involving the three strains is ideal, but should be accompanied by further studies over a wide range of culture systems and conditions. clarias Teugels, 1982), with the species C gariepinus and C anguillaris (Linnaeus, 1758) included in the subgenus Clarias (Clarias). %%EOF The period of hatching is inversely related to temperature such that synchronous hatching is encouraged by high temperature within the specific temperature range. Clarias gariepinus, Cyprinus carpio, improved smoking, nutritional quality, polycyclic aromatic hydrocarbons, traditional smoking. Clarias gariepinus has also been introduced into most other countries in Africa, as well as several in Europe, Asia and South America. A short summary of this paper. 248, 34290, 81644, 101841), the number increasing with size of the fish; gill rakers long, slender and closely set (Ref. The African cat fish, Clarias gariepinus Burchell (Family-Claridae) is a remarkable and fascinating species, as it is extremely hardy and withstands adverse environmental conditions and habitat instability. �� Adobe d� �� C Clarias gariepinus’s natural distribution in South Africa is northwards of the Orange River system in the west and northwards of the Umtamvuna River in the east (Jubb 1967). Juveniles of African catfish, C. gariepinus were fed with different biowastes procured from various stations viz., slaughter houses, poultry sheds, fish markets, hotel kitchens and ware houses. (Download Help) Clarias gariepinus TSN 164125 Taxonomy and Nomenclature Kingdom: Animalia : Taxonomic Rank: Species : Synonym(s): Clarias lazera Valenciennes in Cuvier and Valenciennes, 1840 : Common Name(s): Taxonomic Status: Current Standing: valid Data Quality Indicators: Record Credibility Rating: verified - standards met Taxonomic Hierarchy Kingdom: … Oocyte Diameter, Fecundity and Sex Ratio. 1. 68 0 obj <> endobj After hatching, the larvae were left in the happa (this is a rectangularly … Clarias gariepinus, Cyprinus carpio, improved smoking, nutritional quality, polycyclic aromatic hydrocarbons, traditional smoking. Clarias gariepinus is an important species in fish culture sector related to its fertilization, high growth rate, tolerate of high stocking density, resistance to the common diseases and can able to accept a wide different of feed (Huisman and Richter, 1987). %�� Growth of this … Clarias gariepinus, on s'est basé sur les résultats obtenus à: L 'écloserie du Département de Pisciculture et des Pêches de l'Université Agronomique de Wageningen au Pays-Bas; Le projet "Reproduction et alevinage de Clarias lazera en pisciculture (GCP/CAF/007/NET)" réalisé sous la … The pattern of mortality was similar for various concentrations of the two botanicals. The effects of Talinum triangulare on the haematological indices of Clarias gariepinus was investigated. Hematological indices (RBCs, WBCs, PCV, Hb, MCV, MCH, MCHC and leucocyte differential count) were measured in blood samples from 120 juvenile African catfish. The Sharptooth Catfish (Clarias gariepinus) Henk Stander, Division of Aquaculture, Faculty of Forestry and Agricultural Sciences, University of Stellenbosch, Office: (021) 8082544, Fax: (021) 808 5833, E-mail: hbs@sun.ac.za Introduction Although the sharptooth catfish or barbel, Clarias gariepinus, is an indigenous fish species in South Africa, it is not native to the Western Cape. This is because of its ability to consume supplementary feeds (agricultural by-products), good conversion of feed to flesh (can utilize 2 g of feed to gain 1 g of flesh), resistance to disease, … C. gariepinus is the most cultivated fish species in should be sustained as it has better nutritive value than Lipid (%) Ash (%) Oreochromis niloticus Clarias gariepinus Figure 1: Chart showing the mean proximate composition of Clarias gariepinus and Oreochromis niloticus, March 2013, pp.9-13 (www.ea-journal.org) 11 over , similar results were INTRODUCTION The big Clarias (C. anguillaris Linnaeus and C. gariepinus Burchell) occupy unique and prominent positions in the commercial fisheries of Anambra and Enugu States, Nigeria. H 2O) was used to prepare the stock solution from which five standard concentrations 0.0, 1.8, 3.2, 5.6, and 10.0 mg/L were prepared (coded A – E). Fishermen seek C. gariepinus because among the Clarias species it attains the biggest size (7 kg) and is very tasty (Holden and Reed, 1972), and therefore fetches a high price. ‘Broken-Skull Disease’ in African Catfish Clarias gariepinus is Related to a Dietary Deficiency of Ascorbic Acid. The aim of this study was to establish the haematological profile of Juvenile African catfish (Clarias gariepinus). Aspects of the Biology of Clarias gariepinus in Anambra River Basin. %PDF-1.2 Clarias gariepinus ... Disclaimer: This PDF Material Content is Developed by the copyright owner to Serve as a RESEARCH GUIDE for Students to Conduct Academic Research. African sharptooth catfish Clarias gariepinus 1 Taxonomy Species: Clarias gariepinus (Burchell, 1822) Family: Clariidae Order: Siluriformes Class: Actinopterygii African sharptooth catfish Clarias gariepinus is a typical air-breathing catfish with a scaleless, bony elongated body with long dorsal and anal fins, and a helmet like head (Figure 1). The levels of protein and carbohydrate metabolites, protease, cholinesterase and … /ColorSpace /DeviceRGB The different fish stock in the Anambra river basin. As a source for ideas for you own … Reproductive performance of African Clariid Catfish Clarias gariepinus broodstock on varying maternal stress. Distribution. The highest mean percentage survival in a Clarias× Clarias group was 75%, whereas the least mean … O Bagre-africano (Clarias gariepinus) é uma espécie de bagre da família Clariidae que é formada por bagres de respiração aérea.. Distribuição. The genetic characterization of Clarias gariepinus was conducted in this study. This procedure was adopted for many reasons: to increase sport fishing, to enhance aquaculture, to function as biological control of weeds and insects, to fill vacant … 15 juvenile C. gariepinus fish having a mean weight and length 5.8g and 18 cm respectively … ��Ѹ�\8 FC�p�d �р�+9� �y*1��-��i!P��X�P� $�!�O%� �� 1$�I �")@�O"Ht�"x �M@ѐ�h �F"�Tԉh��e��c5�� Download Free PDF. Clarias gariepinus (Burchell, 1822) References Vernacular names . The paper summarizes aspects of nutrition and growth in Clarias species. %PDF-1.5 %�� J Aquac Res Development 6: 341. doi: 10.4172/2155-9546.1000341 Page 2 of 4 olume ssue 131 Auac Res evelopment SS: 21 AR an open access ournal these out with a tiny mouth hose. h�b```f``�b`a``�� Ȁ ��@��A.��}��U�@��s��(��[7�I��Dhhh Y�H��;0 4,��Auw��MRN�M7�9�t�mBq��"6�/מq�8�\!�0/i��?�j�P�)00U�Ҍ@d Clarias gariepinus is undoubtedly a species suitable for aquaculture. 248, 34290). The aim of this study was to establish the haematological profile of Juvenile African catfish (Clarias gariepinus). Maggot meal represents a quality alternative protein source to fish meal and an excellent … It is farmed mostly in Africa, South America, Asia and China, using extensive and traditional methods as well as intensive and industrial techniques. 3.4.4 Growth Performance of Clarias gariepinus in NPK fertilized- enriched fish pond 127 3.4.5 Pond growth parameters as influenced by fertilizer 129 3.4.6 Weight gain in the different manure 130 . African sharptooth catfish, Clarias gariepinus (Burchell), and the role of diet in pansteatitis outbreaks in the Olifants River in the Kruger National Park, South Africa. Journal of Fisheries international 1: 17–20. The effect of copper sulphate on spawning success in Clarias gariepinus was determined using a pair of adult Catfish (Male and female broodstock) and exposed to copper sulphate at the recommended treatment dose of 0.26 mg L-1 of copper sulphate for 10 days. endstream endobj 69 0 obj <> endobj 70 0 obj <>/Rotate 0/Type/Page>> endobj 71 0 obj <>stream Clarias gariepinus juveniles were stressed progressively with time before death. C. gariepinus was reared in various concentrations of cypermethrin-contaminated dechlorinated water (0, 5, 10, 15 and 20) µg/L over a period of five days and designated A (Control), B, C, D and E respectively. Clarias gariepinus, exotic species, fish conservation, Minas Gerais, Brazil The practice of introducing exotic fish species has been recorded since the middle ages (BALON 1974 apud LI & MOYLE 1993). dehydrogenase (LDH) in African catfish, (Clarias gariepinus) exposed to various levels of an anaesthetic, metomidate in the laboratory. (Clarias gariepinus) during puberty Abstract The development of the catfish gonadotropin-releasing hormone (cfGnRH) fiber network in the pituitary of male African catfish (Clarias gariepinus) was investigated in relation to puberty. /Height 312 The extent to which … ! 248, 34290). Clarias gariepinus In 1982 Teugels revised the subgenus Clarias and found only two species ( C. gariepinus and C. anguillaris ) if the number of gill rakers on the first branchial arch was considered; for C. anguillaris the number of gill rakers was rather low (14 to 40) while for C. gariepinus relatively high (20 to 100, Figure 1). The African catfish Clarias gariepinus is a major cultivated fish of high commercial value in Nigeria with a production of 257, 368 tons in 2014 using intensive culture systems (FAO, 2016). Technol. /Length 10 0 R The African catfish (Clarias gariepinus Burchell) paucity of information does not help in realizing caught from the Anambra River Basin, its aquaculture potentials and management of the Nigeria, were investigated. endstream /Subtype /Image 1.3 JUSTIFICATION OF THE STUDY. 83 0 obj <>/Filter/FlateDecode/ID[<5CFA1613D5874E81FD9A125A5F0FBD2C><2E951D052A313C4BB740F0307B8433FE>]/Index[68 31]/Info 67 0 R/Length 80/Prev 145174/Root 69 0 R/Size 99/Type/XRef/W[1 2 1]>>stream Eya, Jonathan C. 1996. TIW E T AL. It also feeds on other types of food items such as insects, insect larvae, pupae, fish, and fish remains. It is also has great potential for compromising the immune system and increases susceptibility of fish to secondary infections … The results indicated that fecundity was significantly higher (P < 0.05) in the Kenyan strain (145715.17 eggs Kg-1) and lower in the Indonesian strain (86354.55 … The control pair was exposed to copper-free water for the same period after which both sets were subjected to … Similarly, CF ﬁshes showed signiﬁcantly higher glutathione-s-transferase, catalase, superoxide dismutase, and lipid peroxidase … endstream endobj startxref A control diet of fish meal with fish meal serving as the only protein … Fishermen seek C. gariepinus because among the Clarias species it attains the biggest size (7 kg) and is very tasty (Holden … This study examined the population structure and genetic distance between two Clariid species, Clarias gariepinus and Heterobranchus bidorsalis using microsatellite markers. 2. Other factors may include feeding habit, water quality, cultured medium and period . J. Agric. Appendix B. The results in mean values were; RBCs (x 10 µl) 2.88±0.7011, WBCs (10 µl) 41.1±11.048, PCV … Follow. ABSTRACT. 0 At 15 °C embryos do not survive. A control diet of fish To. As a source for additional understanding of the project topic. Binomial nga ngaran; Clarias gariepinus (Burchell, 1822)Mga sinonimo; Clarias muelleri Pietschmann, 1939 Clarias depressus Myers, 1925 Clarias notozygurus Lönnberg & Rendahl, 1922 Clarias malaris Nichols & Griscom, 1917 Clarias vinciguerrae Boulenger, 1902 Clarias tsanensis Boulenger, 1902 Clarias moorii Boulenger, 1901 Clarias longiceps Boulenger, 1899 Clarias microphthalmus Pfeffer, 1896 Message The user has shared this species from India Biodiversity Portal with you. 3"��!�s� catfish, Clarias gariepinus, of mean weight 40.18±0.51g was evaluated over a 90-day growth period. Contrary to other Clarias species, Clarias gariepinus has a high number of gill rakers varying from 24-110 (Ref. ` �./� The findings of this study revealed that maggot-meal-enhanced diets promoted growth and faster gonadal development in fish. 9 0 obj Download Free PDF. Morphological aberrations of the pectoral fins in nine mating combinations involving Clarias gariepinus (Burchell, 1822), Heterobranchus longifilis (Valenciennes, 1840) and their hybrids were investigated to determine the level and genetic basis of occurrence. There was no mortality in the control (0.0 ppm) experiment. It also feeds on other types of food items such as insects, insect larvae, pupae, fish, and fish remains. Accepted for publication 24th August 2012 Journal of Fish Diseases. /Type /XObject Clarias capensis, Valenciennes 1840 Clarias depressus, Myers 1925 Clarias lazera, Valenciennes 1840 Clarias longiceps, Boulenger 1899 Clarias malaris, Nichols & Griscom 1917 Clarias microphthalmus, Pfeffer 1896 Clarias micropthalmus, Pfeffer 1896 Clarias moorii, Boulenger 1901 Clarias mossambicus, Peters 1852 Clarias muelleri, Pietschmann 1939 Clarias robecchii, Vinciguerra 1893 /Filter /DCTDecode catfish, Clarias gariepinus, of mean weight 40.18±0.51g was evaluated over a 90-day growth period. 98 0 obj <>stream It is an … Many investigations have been conducted to evaluate the appropriateness of the . KEY WORDS: Clarias gariepinus, Oocyte, Fecundity, Sex ratio. endobj Clarias gariepinus, also known as the African mud catfish, exists in the wild but it is also cultivated in ponds, cages, and pens and is of great commercial importance.This is an omnivorous fish with a preference for a planktonic diet. Animalia > Chordata > Actinopterygii > Siluriformes > Clariidae > Clarias > Clarias gariepinus (Burchell, 1822) 0. The biochemical responses of Clarias gariepinus to cypermethrin was assessed in this study. Colour varies dorsally from dark to light brown … Citation:Saka BA, Adeyemo OK (2015) Gonad Development in the Female Nigerian Clarias Gariepinus Burchell 1822. ii PRODUCTION AND … Download PDF. Clarias gariepinus (Burchell, 1822) Accepted Name. Maximum growth was obtained in the fishes fed with poultry wastes and minimum in the fishes fed with warehouse waste. However there was no significant difference between concentrations of pesticide residues in Clarias gariepinus and Tilapia zilli (p˃ 0.05; F=3.23) in each of the river. She and is known as African catfish for the presence of barbs in their jaws. Clarias gariepinus fingerlings (male and female) were fed maggot meal supplemented diets for 24 weeks and we assessed their growth and gonadal development. Clarias gariepinus, also known as the African mud catfish, exists in the wild but it is also cultivated in ponds, cages, and pens and is of great commercial importance. 1 Effect … Clarias gariepinus in sub -Sahara n Africa – A handbook FAO Fisheries Technical Paper. The first official occurrence of the exotic species Clarias gariepinus (Burchell, 1822) in the Rio Paraopeba (Sao Francisco river basin), the Rio Grande (Parana river basin), and the Rio Doce (Doce river basin), is reported, with comments on the possible ecological consequences and on the conservation of freshwater fish biodiversity due to non-native species introductions. Abdel-Warith, A.A. et al. Lethal and sub-lethal effects of copper on Clarias gariepinus were studied using a 96-hour static bioassay. Type: PDF and MS Word (DOC) Size: [373 KB] Length: [50] Pages . �/��H�e#GѳPHQ�1KSo ;IS4�+OTu9RҔ�5TUuUEWS��|��-��4�,�{DW��M�t��l��2 Conversely, Kenneth and Griffin (2004), confirmed that the introduction of clove oil, Aqui-S, … It also has a propensity for being … Leaves were treated by soaking in water for 3 days and sun-drying for another 3 days. Aquaculturists … Thirty (30) C. gariepinus specimens were collected, fifteen (15) each from the wild and farms in no Clarias gariepinus eggs can be successfully hatched in ambient water temperatures between 20 and 35 °C, although at 30 °C the hatching rate is significantly improved. You are allowed to use the original PDF Research Material Guide you will receive in the following ways: 1. 10 0 obj INTRODUCTIONThe big Clarias (C. anguillaris Linnaeus and C. gariepinus Burchell) occupy unique and prominent positions in the commercial fisheries of Anambra and Enugu States, Nigeria. Velisek and Svobodova (2004), associated distortions in plasma enzymes activities of rainbow trout with the effect of anaesthetic metomidate. Sci. Joseph Eyo. Clarias gariepinus eggs can be successfully hatched in ambient water temperatures between 20 and 35 °C, although at 30 °C the hatching rate is significantly improved. Key words: Phenol; Endocrine; African Catfish (Clarias gariepinus) 1. a !1AQa"q�2��B#$Rb34�r�C%�S��cs5��&D�TdE£t6�U�e��u��F'��Vfv��7GWgw��(8HXhx�� )9IYiy�� ԣ�u}Dc~L�ړ�U�O��u�rj�[�� o_�,��ٕ v��a��(��P��0� �G��_Ϩ��͓��?�� 6Ho��e�� %� /�� 6V��S�0[u�[{��+u� n��v�O1�@ֶw��R� ��.��sf@�)�� ��܆d��h�v�ϖ7��w]�?��n�(z K��>�u�Q��XڳA�魜� }>�5� lo��%��$��M��W\H�3��?�j,�ݟT�H�>x I�L~�S��\F�d�ڱ��dj�7A�"��V3�n�O��h��灴:K+�?��^��zC�9YTf:�@��IW�{�~��tLV��f��&�Vu=��k�G�� no�=&�m��.e�:��0|�5_�� ('Sr U�U�� 2�P$}��. (Clarias gariepinus) Diyetinde Pişmiş ve Mekanik olarak yağı uzaklaştırılmış Susam (Sesamum indicum) Tohumu Küspesinin Soya Küspesinin İkamesi Olarak Değerlendirilmesi Özet gariepinus diyetindeki soya küspesi yerine pişirilmişve mekanik olarak yağı uzaklaştırılmış susam tohumu küspesi ikame edilmesinin etkisini belirlemek için 56 günlük bir yemleme denemesi …