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Original Research Articles                      Volume : 14, Issue:9, September, 2025

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com /
submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2025.14(9): 1-7
DOI: https://doi.org/10.20546/ijcmas.2025.1409.001


Hematological Changes in Brazilian’s Oreochromis niloticus (Nile tilapia) Strain Infected with Saprolegnia parasitica
1Laboratory of Biodiversity and Tropical Ecology, UFR-Environment, Jean Lorougnon Guede University, BP 150 Daloa, Côte d’Ivoire
2Laboratory of Environment and Aquatic Biology, UFR-Sciences and Environment Managment, Nangui Abrogoua University, Cote d’Ivoire, 02 pb 801 Abidjan 02

*Corresponding author
Abstract:

Experiments were conducted on specimens of the Brazilian’s Oreochromis niloticus strain infested with Saprolegnia parasitica. This was done in order to determine the effects of this infestation on hematological parameters. To do this, specimens of O. niloticus with a weighing 37,2 ± 12,7 g and having a size of 12.9 ± 0.9 cm, were exposed to concentrations of S. parasitica ranging from 105 to 107 spores/mL, and hematological parameters were measured after 48 h, taking into account controls, infested fish, and sex differences. The results show a decrease in the measured parameters in infected specimens compared to uninfected specimens. However, an increase in mean red blood cell counts and mean corpuscular volume was observed in infected females, as well as increasing in white blood cell counts in males and females. This could indicate an immune response or blood abnormalities, such as leukemia. The decrease in other parameters suggests the presence of anemia and deterioration of the hematopoietic organs, indicating an inflammatory state related to damage caused by infection and stress in the fish. Variations in hematological parameters can be attributed to individual differences, the origin of the fish, and genetic factors. These results highlight the importance of monitoring these parameters to assess the physiological status of farmed fish.


Keywords: Hematological, infestation, Oreochromis niloticus, Saprolegnia parasitica


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How to cite this article:

N’guessan Francis, Keita Gaoussou and Kouassi Affoue Edwige. 2025. Hematological Changes in Brazilian’s Oreochromis niloticus (Nile tilapia) Strain Infected with Saprolegnia parasitica.Int.J.Curr.Microbiol.App.Sci. 14(9): 1-7. doi: https://doi.org/10.20546/ijcmas.2025.1409.001
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