Influence of Temperature on Breeding of Tilapia (Oreochromis Niloticus) in the station of Fish Farming of Deroua, Beni Mellal/Morocco

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Influence of Temperature on Breeding of Tilapia (Oreochromis Niloticus) in the station of Fish Farming of Deroua, Beni Mellal/Morocco

Author Affiliations

¹Laboratory of Biodiversity, Forest School of the Engineers, Salé MOROCCO
²Laboratory of Genius of Environment and Agrobiotech, Higher School of Technology/ Khènifra, Khénifra, My Ismail University, MOROCCO
³National Center of Hydrobiology and Pisciculture, (CNHP) 53100, Azrou, MOROCCO
⁴Laboratory of Biodiversity and Natural resources, Sciences Faculty, Ibn Tofail University, Kénitra, MOROCCO
⁵Station Fish Farming of Deroua, (CNHP) Beni Mellal, MOROCCO

Int. Res. J. Biological Sci., Volume 4, Issue (4), Pages 1-5, April,10 (2015)

Abstract

To estimate the growth of Tilapia (Oreochromis niloticus, L, 1758) at the level of the station of Déroua (Blessed Mellal / Morocco) and the influence of the environmental factors, an experimental study was led in 2007 on alevins raised at the level of two ponds (C and C) the average depth of which is of 1,5m and a surface of 1500 m2. Ponds in question were empoisoned by alevins of 4g on average, with a density of 5individus / m². The obtained results(profits) show that the growth is positively influenced by the temperature, and has increase 1 %, every time we pass of a range of temperature to another superior among the following ranges (16 - 20°C), (21 - 24°C) and (25 - 28°C). The obtained average immediate growth was 1 %. Models of weight growth (Y= 77, 97 e0, 012t) and shelf space (Y= 62, 49 t0, 288) according to time and the relation size / weight (P = 0, 0392 L 2,763) were determined from the data of the essays made in 2005 and 2006 in the station of Deroua.

References

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[ref1] FAO., La situation mondiale des pêches et de l’aquaculture, (2012)

[ref2] Arrignon J.,Aménagement piscicole des eaux douces, 589 (1998)

[ref3] Chaker Y., La détermination des indicateurs socio-économiques de la pêche continentale au Maroc, Mémoire de 3ème cycle, ENFI, Salé, 123 (2004)

[ref4] Hasnaoui M., Kassila J., Droussi M., Loudiki M. and Balvay G, Relation Cyanobactéries - Hypophthalmichthys molitrix dans un étang de polyculture en climat semi-aride, 15), 137-152 (2002)

[ref5] Massoni C. et Missante G. La plaine de Thdla, Les Cahiers de la Recherche Agronomique, 24, 63-I 94 (1967)

[ref6] Baras E and Mélard C, Individual growth patterns of juvenile Nile tilapia Oreochromis niloticus (L.), Emergence and dynamics of sexual growth dimorphism, In: Fitzsimmons K. (Ed.), Tilapia aquaculture, Northeast Regional Agricultural Engineering Service, 106, 169-177 (1997)

[ref7] Melard Ch., Les bases biologiques de l'élevage intensif du tilapia du Nil, Cahiers d'Ethologie appliquée, Fasc., 3,6, 224 (1986)

[ref8] Abba H., Etude écologique et biologique de la truite commune (Salmo trutta macrostigma, Dumeril, 1858) de l’Oued Sidi Rachid (Ifrane Maroc), Thèse de Doct. Univ. Ibn. Tofail. Fac. Sc. Kenitra Maroc., 205 (2011)

[ref9] Boyd C.E. and Tucker C.S., Pond aquaculture water quality management, Boston Dordrecht London, Kluwer Academic Publishers, 700, (1998)

[ref10] Halvorsen H. and Svenning M.A., Growth of Atlantic salmon parr in fluvial and lacustrine habitats, J. Fish Biol., 57, 145-160 (2000)

[ref11] Ouattaran N.I., N Doubay V., Kone T., Snoeks J. and Phillippart J.C., Performances de croissance d’une souche isolée du Tilapia estuarien Sarotherodon melanotheron (Perciformes, Cichlidae) en bassins en béton, en étangs, en terre et en cages flottantes, (2005)