clarias gariepinus pdf

The protein, glycogen and lipid contents in the muscle extracts were found to be marginally higher in ﬁshes that were fed with CF than AF diet. 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. Aspects of the Biology of Clarias gariepinus in Anambra River Basin. /Type /XObject Download Free PDF. 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 NIWARD 2018 CONFERENCE PROCEEDINGS p 144-158 Ayawei, P.P., Imafidor, Helen O., Ansa, E.J., Awi-Waadu, G.D.B. 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. Reports Appendix B.1. 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). Clarias gariepinus (5.53-9.98 μg/g ww) than Tilapia zilli (3.49- 4.98 μg/g ww). >> 68 0 obj <> endobj 3"��!�s� 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. /BitsPerComponent 8 endobj Clarias gariepinus ﬁshes (n = 4) under controlled conditions for an experimental period of 100 days. *:JZjz�� ? 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 … Message The user has shared this species from India Biodiversity Portal with you. The African catfish, Clarias gariepinus is one of the most widely consumed freshwater fish in Nigeria due to its large acceptability . catfish, Clarias gariepinus, of mean weight 40.18±0.51g was evaluated over a 90-day growth period. Fishermen seek C. gariepinus because among the Clarias species it attains the biggest size (7 kg) and is very tasty (Holden … It also feeds on other types of food items such as insects, insect larvae, pupae, fish, and fish remains. 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��%��$��M��W\H�3��?�j,�ݟT�H�>x I�L~�S��\F�d�ڱ��dj�7A�"��V3�n�O��h��灴:K+�?��^��zC�9YTf:�@��IW�{�~��tLV��f��&�Vu=��k�G�� no�=&�m��.e�:��0|�5_�� ('Sr U�U�� 2�P$}��. Accepted for publication 24th August 2012 Journal of Fish Diseases. Clarias gariepinus is a very resilient and fast growing air-breathing fish. �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-��^�˩�. After hatching, the larvae were left in the happa (this is a rectangularly … The control pair was exposed to copper-free water for the same period after which both sets were subjected to … �/��H�e#GѳPHQ�1KSo ;IS4�+OTu9RҔ�5TUuUEWS��|��-��4�,�{DW��M�t��l��2 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 … Sci. Meanwhile, the Indonesian strain is recommended for aquaculture in Kenya. 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 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. 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 . As a source for ideas for you own … Clarias gariepinus, Cyprinus carpio, improved smoking, nutritional quality, polycyclic aromatic hydrocarbons, traditional smoking. 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 . 9 0 obj ;}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�$�09�JG#A�dA�ʤ/�! Clarias are omnivorous fish. ! The findings of this study revealed that maggot-meal-enhanced diets promoted growth and faster gonadal development in fish. Contrary to other Clarias species, Clarias gariepinus has a high number of gill rakers varying from 24-110 (Ref. Oocyte Diameter, Fecundity and Sex Ratio. Clarias gariepinus’s natural distribution in South Africa is northwards of the Orange River system in the west and northwards of the Umtamvuna River in the east (Jubb 1967). %%EOF T. triangulare leaf powder at 0, 0.5, 1.0, and 3.0% concentrations were fed to Clarias gariepinus juveniles (n=84; 117.3 ± 1.57 g; 26.70 ± 0.26 cm) as feed additive for a period of six (6) weeks. 15 juvenile C. gariepinus fish having a mean weight and length 5.8g and 18 cm respectively … 1.3 JUSTIFICATION OF THE STUDY. hެ�mo�0ǿʽ�4U�?$RU h��@�p�Ky`�Lݷ��@I`]7i/p��}? It also has a propensity for being … The levels of protein and carbohydrate metabolites, protease, cholinesterase and … Leaves were treated by soaking in water for 3 days and sun-drying for another 3 days. The genetic characterization of Clarias gariepinus was conducted in this study. A short summary of this paper. At 15 °C embryos do not survive. /Name /im1 Four experimental diets were formulated at 0% (control), 10%, 20% and 30% inclusion levels of treated Leucaena leaf meal. Citation:Saka BA, Adeyemo OK (2015) Gonad Development in the Female Nigerian Clarias Gariepinus Burchell 1822. The aim of this study was to establish the haematological profile of Juvenile African catfish (Clarias gariepinus). Lethal and sub-lethal effects of copper on Clarias gariepinus were studied using a 96-hour static bioassay. It is also has great potential for compromising the immune system and increases susceptibility of fish to secondary infections … /Height 312 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. %�� It is hardy and does not easily succumb to disease and feeds all types of biowastes 1• The fish can Download Free PDF. "(($#$% '+++,.3332-3333333333�� 8 � �� English: African walking catfish Bahasa Indonesia: Lele dumbo ไทย: ปลาดุกแอฟริกา, ปลาดุกรัสเซีย 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. Clarias gariepinus (Burchell, 1822) References Vernacular names . Share. Hematological indices (RBCs, WBCs, PCV, Hb, MCV, MCH, MCHC and leucocyte differential count) were measured in blood samples from 120 juvenile African catfish. Type: PDF and MS Word (DOC) Size: [373 KB] Length: [50] Pages . Hematological indices (RBCs, WBCs, PCV, Hb, MCV, MCH, MCHC and leucocyte differential count) were measured in blood samples from 120 juvenile African catfish. /Filter /DCTDecode The extent to which … 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). A control diet of fish meal with fish meal serving as the only protein … 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. endstream Nutritional composition of cultivated fish is majorly dependent on the type of food administered. 248, 34290, 81644, 101841), the number increasing with size of the fish; gill rakers long, slender and closely set (Ref. 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. A control diet of fish 536 536/543 Braz. Fishermen seek C. gariepinus because among the Clarias species it attains the Clarias gariepinus in sub -Sahara n Africa – A handbook FAO Fisheries Technical Paper. Clarias gariepinus or African sharptooth catfish is a species of catfish of the family Clariidae, the airbreathing catfishes. Probably due to its resilience, and despite promising biological traits, some aspects of welfare are either disregarded or overlooked. %PDF-1.5 %�� 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). Clarias gariepinus has also been introduced into most other countries in Africa, as well as several in Europe, Asia and South America. Aquaculturists … The aim of this study was to establish the haematological profile of Juvenile African catfish (Clarias gariepinus). Reproductive performance of African Clariid Catfish Clarias gariepinus broodstock on varying maternal stress. /ColorSpace /DeviceRGB 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, … /Filter /LZWDecode KEY WORDS: Clarias gariepinus, Oocyte, Fecundity, Sex ratio. J. Agric. endstream endobj startxref Journal of Fisheries international 1: 17–20. Appendix B. The effects of Talinum triangulare on the haematological indices of Clarias gariepinus was investigated. The paper summarizes aspects of nutrition and growth in Clarias species. Other factors may include feeding habit, water quality, cultured medium and period . Huchzermeyer KDA 2012 A preliminary study to identify pathology present in fish in the lower Olifants River … �� Adobe d� �� C 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 248, 34290). It is farmed mostly in Africa, South America, Asia and China, using extensive and traditional methods as well as intensive and industrial techniques. 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. Similarly, CF ﬁshes showed signiﬁcantly higher glutathione-s-transferase, catalase, superoxide dismutase, and lipid peroxidase … Clarias gariepinus fingerlings (male and female) were fed maggot meal supplemented diets for 24 weeks and we assessed their growth and gonadal development. ` �./� Joseph Eyo. 642 Copper (as copper chloride, CuCl 2. 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. catfish, Clarias gariepinus, of mean weight 40.18±0.51g was evaluated over a 90-day growth period. dehydrogenase (LDH) in African catfish, (Clarias gariepinus) exposed to various levels of an anaesthetic, metomidate in the laboratory. Contrary to other Clarias species, Clarias gariepinus has a high number of gill rakers varying from 24-110 (Ref. Velisek and Svobodova (2004), associated distortions in plasma enzymes activities of rainbow trout with the effect of anaesthetic metomidate. This study examined the population structure and genetic distance between two Clariid species, Clarias gariepinus and Heterobranchus bidorsalis using microsatellite markers. Clarias gariepinus is undoubtedly a species suitable for aquaculture. /Length 10 0 R 0 248, 34290, 81644, 101841), the number increasing with size of the fish; gill rakers long, slender and closely set (Ref. This paper. O Bagre-africano (Clarias gariepinus) é uma espécie de bagre da família Clariidae que é formada por bagres de respiração aérea.. Distribuição. As a source for additional understanding of the project topic. 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). 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. �"�A�<0|�Ʊ(A.�v}C��6��uu3:5��(�1+��z,��h��cj6�#j�" �j At higher concentration (3.2, 4.5 and 6.0 ppm), rate of mortality significantly (P< 0.05) increased from 20% at 24-h to 100% at 96-h (Tables 1 and 2). /Length 12 0 R 1996. However, it is not a legal authority for statutory or regulatory purposes. This study maturation stages were determined by visual investigated the maturation stages and condition … The findings of this study revealed that maggot-meal-enhanced diets promoted growth and faster gonadal development in fish. The packed cell volume (PCV) and Haemoglobin (Hb) concentration values, 34.67 ± … Abdel-Warith, A.A. et al. Four experimental diets were formulated at 0% (control), 10%, 20% and 30% inclusion levels of treated Leucaena leaf meal. 98 0 obj <>stream ii PRODUCTION AND … endobj The period of hatching is inversely related to temperature such that synchronous hatching is encouraged by high temperature within the specific temperature range. Colour varies dorsally from dark to light brown … 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. ��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�� Follow. << 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). 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. 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. This is an omnivorous fish with a preference for a planktonic diet. KEY WORDS: Clarias gariepinus, Oocyte, Fecundity, Sex ratio. 2(1): 47 – 51, 1992, 1992. Keywords: Growth, Clarias gariepinus, Strains, Fecundity … 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 … Leaves were treated by soaking in water for 3 days and sun-drying for another 3 days. 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. Spatial variation showed that Ogbesse River had the highest concentration of pesticide residues TIW E T AL. stream (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: … h�bbd``b`:$�@�Cw2�`O q�N�D|6 � �x$�2�k5��c��p�b i��8�3@� ��% Growth of this … Maggot meal represents a quality alternative protein source to fish meal and an excellent … 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. �`�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 /Width 218 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. 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. Rome, FAO. 73 p ABSTRACT The manual is based on the practical field experience of Gertjan de Graaf and Johannes Janssen on the artificial reproduction and rearing of … The pattern of mortality was similar for various concentrations of the two botanicals. 11 0 obj (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. Clarias gariepinus juveniles were stressed progressively with time before death. Total protein, fat, and dry matter contents were high in … endstream endobj 69 0 obj <> endobj 70 0 obj <>/Rotate 0/Type/Page>> endobj 71 0 obj <>stream >> Technol. 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. stream ABSTRACT. 248, 34290). No 362. Introduction: Phenol and phenolic compounds are examples of toxic chemicals acts as endocrine disruptors; which mimic or antagonize hormones and disrupt the endocrine system. Many investigations have been conducted to evaluate the appropriateness of the . 10 0 obj (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 … Distribution. The results in mean values were; RBCs (x 10 µl) 2.88±0.7011, WBCs (10 µl) 41.1±11.048, PCV … 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. 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, 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). TIW E T AL. The genetic characterization of Clarias gariepinus was conducted in this study. 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 /Subtype /Image Among other characteristics, these two species differ primarilly in the number of gill rakers on the first branchial arch: C gariepinus = 24 to … %PDF-1.2 Clarias gariepinus (Burchell, 1822) Accepted Name. Download Full PDF Package. The highest mean percentage survival in a Clarias× Clarias group was 75%, whereas the least mean … Animalia > Chordata > Actinopterygii > Siluriformes > Clariidae > Clarias > Clarias gariepinus (Burchell, 1822) 0. It also feeds on other types of food items such as insects, insect larvae, pupae, fish, and fish remains. 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 a !1AQa"q�2��B#$Rb34�r�C%�S��cs5��&D�TdE£t6�U�e��u��F'��Vfv��7GWgw��(8HXhx�� )9IYiy�� At 15 °C embryos do not survive. Disclaimer: ITIS taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. 1 Effect … Subject. It is an … Its range has been extended by interbasin transfer schemes, anglers and aquaculture facilities (including hatcheries & farm dams) (Cambray 2003a) (Figure 3). She and is known as African catfish for the presence of barbs in their jaws. 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.

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