clarias gariepinus pdf

Rome, FAO. 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. >> Fishermen seek C. gariepinus because among the Clarias species it attains the 9 0 obj Spatial variation showed that Ogbesse River had the highest concentration of pesticide residues Lethal and sub-lethal effects of copper on Clarias gariepinus were studied using a 96-hour static bioassay. Introduction: Phenol and phenolic compounds are examples of toxic chemicals acts as endocrine disruptors; which mimic or antagonize hormones and disrupt the endocrine system. It is hardy and does not easily succumb to disease and feeds all types of biowastes 1• The fish can 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. Clarias gariepinus, Cyprinus carpio, improved smoking, nutritional quality, polycyclic aromatic hydrocarbons, traditional smoking. Copper (as copper chloride, CuCl 2. /Width 218 248, 34290, 81644, 101841), the number increasing with size of the fish; gill rakers long, slender and closely set (Ref. %PDF-1.5 %�� Thirty (30) C. gariepinus specimens were collected, fifteen (15) each from the wild and farms in no English: African walking catfish Bahasa Indonesia: Lele dumbo ไทย: ปลาดุกแอฟริกา, ปลาดุกรัสเซีย 248, 34290). Distance between occipital process and base of dorsal fin is short; dorsal fin almost reaches caudal fin; anal fin origin closer to caudal fin base … *:JZjz�� ? 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, Cyprinus carpio, improved smoking, nutritional quality, polycyclic aromatic hydrocarbons, traditional smoking. 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 . Download Full PDF Package. %�� /Type /XObject catfish, Clarias gariepinus, of mean weight 40.18±0.51g was evaluated over a 90-day growth period. Huchzermeyer KDA 2012 A preliminary study to identify pathology present in fish in the lower Olifants River … 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 in sub -Sahara n Africa – A handbook FAO Fisheries Technical Paper. The biochemical responses of Clarias gariepinus to cypermethrin was assessed in this study. ‘Broken-Skull Disease’ in African Catfish Clarias gariepinus is Related to a Dietary Deficiency of Ascorbic Acid. Clarias microphthalmus, Pfeffer 1896 Clarias micropthalmus, Pfeffer 1896 Clarias moorii, Boulenger 1901 Clarias mossambicus, Peters 1852 Clarias muelleri, Pietschmann 1939 Clarias robecchii, Vinciguerra 1893 Clarias syriacus, Valenciennes 1840 Clarias tsanensis, Boulenger 1902 Clarias vinciguerrae, Boulenger 1902 Clarius gariepinus, Burchell 1822 Message The user has shared this species from India Biodiversity Portal with you. clarias Teugels, 1982), with the species C gariepinus and C anguillaris (Linnaeus, 1758) included in the subgenus Clarias (Clarias). 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. Type: PDF and MS Word (DOC) Size: [373 KB] Length: [50] Pages . �"�A�<0|�Ʊ(A.�v}C��6��uu3:5��(�1+��z,��h��cj6�#j�" �j O Bagre-africano (Clarias gariepinus) é uma espécie de bagre da família Clariidae que é formada por bagres de respiração aérea.. Distribuição. /Height 312 248, 34290). 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). CLARIAS GARIEPINUS USING RENEWABLE ENERGY SYSTEMS ZOOLOGY A THESIS SUBMITTED TO THE DEPARTMENT OF ZOOLOGY, FACULTY OF BIOLOGICAL SCIENCES, UNIVERSITY OF NIGERIA NSUKKA Webm aster Digitally Signed by Webmaster’s Name DN : CN = Webmaster’s name O= University of Nigeria, Nsukka OU = Innovation Centre 2011 . "(($#$% '+++,.3332-3333333333�� 8 � �� << At 15 °C embryos do not survive. Aquaculturists … Joseph Eyo. It is also has great potential for compromising the immune system and increases susceptibility of fish to secondary infections … The effects of Talinum triangulare on the haematological indices of Clarias gariepinus was investigated. Feed is a vital resource for fish, it is the substance in which the … 68 0 obj <> endobj Clarias gariepinus fingerlings (male and female) were fed maggot meal supplemented diets for 24 weeks and we assessed their growth and gonadal development. 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 536 536/543 Braz. 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. /Name /im1 Clarias gariepinus (Burchell, 1822) Accepted Name. The levels of protein and carbohydrate metabolites, protease, cholinesterase and … ii PRODUCTION AND … 1996. KEY WORDS: Clarias gariepinus, Oocyte, Fecundity, Sex ratio. 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. Clarias gariepinus or African sharptooth catfish is a species of catfish of the family Clariidae, the airbreathing catfishes. Hematological indices (RBCs, WBCs, PCV, Hb, MCV, MCH, MCHC and leucocyte differential count) were measured in blood samples from 120 juvenile African catfish. She and is known as African catfish for the presence of barbs in their jaws. Accepted for publication 24th August 2012 Journal of Fish Diseases. Animalia > Chordata > Actinopterygii > Siluriformes > Clariidae > Clarias > Clarias gariepinus (Burchell, 1822) 0. 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 Clarias are omnivorous fish. Download PDF. �B�!� @��$�$)D8�C�܇@ H#`,�4.\��.蒩rw�S!�{y�&�+c�\]y�_¹Ό|�ƌ}�Ƥ�@0/��+4��@��F��g�1�Ҫ�їF �ʢ�.��e�'�3}��Oy-��^�˩�. 3"��!�s� 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 … a !1AQa"q�2��B#$Rb34�r�C%�S��cs5��&D�TdE£t6�U�e��u��F'��Vfv��7GWgw��(8HXhx�� )9IYiy�� `�7��s��3��b�>)r��I�� B�ñ,k�S6賉z��+��f��.j��Jֶƭ�l��!�h��Ȃ �2Cx�5�!�fPH�D�L�E��h�FKb��Ɗ��{��{B�$�#��T�#��N�DU Of the many Clarias species cultured, Clarias gariepinus has been subject to particularly intensive research; the species has been widely introduced for aquaculture outside its natural range. At 15 °C embryos do not survive. The control pair was exposed to copper-free water for the same period after which both sets were subjected to … Clarias gariepinus ﬁshes (n = 4) under controlled conditions for an experimental period of 100 days. Disclaimer: ITIS taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. TIW E T AL. It is hardy and does not easily succumb to disease and feeds all types of biowastes 1• The fish can efficiently assimilate a wide variety of animal and plant proteins2. 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 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. Distribution. ;}R�I'�Dj-�F)S�b�M)�"��d1� ��;w�Lf�iD�m#��2��A��|�J0��z��f4��o5��'H�kE�]�\$CA��Պ�� S�Fֹgb#o��2�$�09�JG#A�dA�ʤ/�! This study maturation stages were determined by visual investigated the maturation stages and condition … endobj 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 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. A control diet of fish /ColorSpace /DeviceRGB Reports Appendix B.1. Similarly to other species, China has adopted it within its rice-fields and is currently among the main producing countries, even though this species does not appear separately in its production statistics. Its range has been extended by interbasin transfer schemes, anglers and aquaculture facilities (including hatcheries & farm dams) (Cambray 2003a) (Figure 3). Clarias gariepinus is undoubtedly a species suitable for aquaculture. stream You are allowed to use the original PDF Research Material Guide you will receive in the following ways: 1. Journal of Fisheries international 1: 17–20. �� Adobe d� �� C Meanwhile, the Indonesian strain is recommended for aquaculture in Kenya. ! 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. endobj The different fish stock in the Anambra river basin. 10 0 obj A short summary of this paper. 642 ��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�� The packed cell volume (PCV) and Haemoglobin (Hb) concentration values, 34.67 ± … As a source for additional understanding of the project topic. stream Thirty (30) C. gariepinus specimens were collected, fifteen (15) each from the wild and farms in no 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. Maggot meal represents a quality alternative protein source to fish meal and an excellent … /Length 10 0 R /BitsPerComponent 8 This study examined the population structure and genetic distance between two Clariid species, Clarias gariepinus and Heterobranchus bidorsalis using microsatellite markers. h�bbd``b`:$�@�Cw2�`O q�N�D|6 � �x$�2�k5��c��p�b i��8�3@� ��% dehydrogenase (LDH) in African catfish, (Clarias gariepinus) exposed to various levels of an anaesthetic, metomidate in the laboratory. Clarias gariepinus (Burchell, 1822) References Vernacular names . However, it is not a legal authority for statutory or regulatory purposes. Appendix B. This fish can have a maximum size of 150cm and it weighs an average of 7kg. The genetic characterization of Clarias gariepinus was conducted in this study. 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. Share. After hatching, the larvae were left in the happa (this is a rectangularly … 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, … Similarly, CF ﬁshes showed signiﬁcantly higher glutathione-s-transferase, catalase, superoxide dismutase, and lipid peroxidase … /Subtype /Image 248, 34290, 81644, 101841), the number increasing with size of the fish; gill rakers long, slender and closely set (Ref. >> << Technol. The findings of this study revealed that maggot-meal-enhanced diets promoted growth and faster gonadal development in fish. 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). 1. ABSTRACT. Contrary to other Clarias species, Clarias gariepinus has a high number of gill rakers varying from 24-110 (Ref. 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. Reproductive performance of African Clariid Catfish Clarias gariepinus broodstock on varying maternal stress. It also feeds on other types of food items such as insects, insect larvae, pupae, fish, and fish remains. 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. 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. hެ�mo�0ǿʽ�4U�?$RU h��@�p�Ky`�Lݷ��@I`]7i/p��}? endstream endobj 69 0 obj <> endobj 70 0 obj <>/Rotate 0/Type/Page>> endobj 71 0 obj <>stream endstream %PDF-1.2 To. ԣ�u}Dc~L�ړ�U�O��u�rj�[�� o_�,��ٕ v��a��(��P��0� �G��_Ϩ��͓��?�� 6Ho��e�� %� /�� 6V��S�0[u�[{��+u� n��v�O1�@ֶw��R� ��.��sf@�)�� ��܆d��h�v�ϖ7��w]�?��n�(z K��>�u�Q��XڳA�魜� }>�5� lo��%��$��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$}��. The paper summarizes aspects of nutrition and growth in Clarias species. Survival and Growth of Clarias gariepinus and Heterobranchus longifilis Larvae Fed with Freshwater Zooplankton 195 0 5 10 15 20 25 30 35 Cg zoo Cg art Hl zoo Hl art CV (%) b 0 10 20 30 40 50 60 70 80 90 100 Final body weight (mg) ab a b a b b b 0 20 40 60 80 100 120 Cg zoo Cg art Hl zoo Hl art Survival (%) 0 2 4 6 8 10 12 14 16 18 20 SGR (%/day) a a b b a bb c Fig. The findings of this study revealed that maggot-meal-enhanced diets promoted growth and faster gonadal development in fish. 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. 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. The results in mean values were; RBCs (x 10 µl) 2.88±0.7011, WBCs (10 µl) 41.1±11.048, PCV … This is an omnivorous fish with a preference for a planktonic diet.