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Lipid and fatty acids contents in the gonads of female and male Pimelodus blochii , during gonadal development
Cuevas, C.; Rodriguez, Ch.; Cardillo, E.; Azavache, V.; Bosch, V.; Fontaine, M.; Marcano, D. (2000). Lipid and fatty acids contents in the gonads of female and male Pimelodus blochii , during gonadal development, in: Norberg, B. et al. (Ed.) Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. pp. 111
In: Norberg, B. et al. (Ed.) (2000). Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. Department of Fisheries and Marine Biology, University of Bergen: Bergen. ISBN 82-7461-048-2. 499 pp., more
In: International Symposium on the Reproductive Physiology of Fish. Museo Nacional de Ciencias Naturales, more

Available in Authors 
    VLIZ: Proceedings [4156]

Keyword
    Marine

Authors  Top 
  • Cuevas, C.
  • Rodriguez, Ch.
  • Cardillo, E.
  • Azavache, V.
  • Bosch, V.
  • Fontaine, M.
  • Marcano, D.

Abstract
    The Catfish, Pimelodus blochii, is a seasonal breeder distributed in rivers of the Venezuelan plains. Under natural conditions, it has an annual gonadal cycle closely related to seasonal changes during the dry and rainy season. The purpose of this study was to evaluate the changes in the content of total lipids (TL) and fatty acids (FA) in gonads of female and male P. blochii, during gonadal maturation. Adult P. blochii (Teleostei, Siluriformes) were collected on a regular basis from February to July 1998 from Cano Igueez, Portuguesa State in Venezuelan plains. Total lipids were analysed gravimetrically and the composition of fatty acids was determined by gas-liquid chromatography. Lipid concentrations are indicated as mg/g tissue. Comparisons between groups were analysed with unpaired Student's t-test. Significance was accepted at the 0.05 level.

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