Reproductive Behaviour, Hematological Profile and Monogenean Microfauna of the Nest-Breeding, Nile Green Tilapia (Tilapia zilli) Gervais, 1848

El-Naggar,; Sa, El-Tantawy; Mashaly, M.; Kanni, A

doi:10.9790/2402-1106015065

Cited by 4 publications

(1 citation statement)

References 31 publications

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“…Differential blood cell count, including RBCs and WBCs, represents one of the suitable hematological indices of fish health as it could indicate the presence of an infectious disease [7] and could provide data regarding the pathogenesis and the defense mechanisms against disease adopted by fish [8,9]. Moreover, this approach has been used to assess fish responses to drug administration, parasite infestations, or environmental stress [10][11][12]. The blood with its constituents is a connective tissue that reflects several diseases; as a matter of fact, the abnormalities of morphology and number of RBCs, WBCs, and TCs are considered primary blood disorders.…”

Section: Introductionmentioning

confidence: 99%

Automated Hematological Approach and Protein Electrophoretic Pattern in Tilapia (Oreochromis niloticus): An Innovative and Experimental Model for Aquaculture

Fazio,

Costa,

Capparucci

et al. 2024

Animals

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This study aimed to assess the usefulness of two innovative automated methods (automated blood count counters and flow cytometry) for hematological investigation in Tilapia to make a contribution to the clinical diagnostics of this farmed species. Moreover, serum total proteins and their electrophoretic fractions (prealbumin, albumin, α-, β-, and γ-fraction), as health condition indicators, were assessed. The analysis of serum total proteins and electrophoretic fraction showed a normal and typical electrophoretic pattern of healthy fish (serum total proteins, 3.70 ± 0.62 g/dL; prealbumin, 0.44 ± 0.20 g/dL; albumin, 1.17 ± 0.66 g/dL; α-fraction, 1.49 ± 0.64 g/dL; β-fraction, 0.32 ± 0.16 g/dL; and γ-fraction, 0.29 ± 0.13 g/dL). The relationships between the values of red blood cells (RBCs), white blood cells (WBCs), and thrombocytes (TCs) obtained with the two automated methods were determined using Pearson correlation analysis. The results showed a significant positive correlation between automatic blood cell counting and flow cytometry analysis for RBCs (r = 0.97, p < 0.0001) and WBCs (r = 0.91, p < 0.0001), whereas no correlation was found for TCs (r = −0.11, p = 0.66). The preliminary results gathered in this study seem to highlight the usefulness of the new analytical techniques herein investigated in tilapia, suggesting their application in the hematological investigation of farmed fish species and their usefulness for monitoring the health and well-being of fish reared in aquaculture.

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Section: Introductionmentioning

confidence: 99%

Automated Hematological Approach and Protein Electrophoretic Pattern in Tilapia (Oreochromis niloticus): An Innovative and Experimental Model for Aquaculture

Fazio,

Costa,

Capparucci

et al. 2024

Animals

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Impacts of physicochemical and heavy metal parameters on infestation level of the monogeneans, Quadriacanthus spp. infesting Nile catfish, Clarias gariepinus of different water localities in Nile Delta, Egypt

2020

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Fish parasites can be used as bio-indicators to evaluate pollution degree in aquatic ecosystems. Limited research has, however, investigated the potentiality of these parasitic worms to tolerate various environmental factors. This study, therefore, investigated whether the gill, Quadriacanthus monogenean parasites of Bagrus bajad Forska ˚l, 1775 are potential bio-indicators of aquatic ecosystem health. The seasonal differences in prevalence, mean intensity and abundance of Quadriacanthus species of Clarias gariepinus varied between each other and between the three localities. Most Quadriacanthus species exhibited their highest prevalence, mean intensity and abundance in Spring and/or Summer and their lowest values in Autumn and/or Winter. The seasonal differences in prevalence were significant for Q. kearni and Q. clariadis while a significant difference in the mean intensity between different seasons was recorded only for Q. aegypticus. Also, seasonal differences in the abundance were highly significant for Q. aegypticus and significant for Q. kearni. The total dissolved solids, Chlorides, Sulphate, Sodium, Cadmium and Lead were higher at Manzala Lake than standard permissible limits. The pH has significant correlations with the infestation levels of all Quadriacanthus spp. Dissolved oxygen showed a highly significant positive correlation with the mean intensity of Q. clariadis and a significant positive correlation with the abundance of Q. clariadis. Iron was the only heavy metal to record a significant positive relationship with the mean intensity of Q. kearni. It is noteworthy that Quadriacanthus species were found to have a noticeable ability to resist the effect of hazardous concentrations of many physicochemical and heavy metals parameters. Therefore, it is highly recommended that these monogeneans could be regarded as bioindicators for water quality.

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Haematological and metabolic profiles associated with age and sex in giant kokopu (Galaxias argenteus) (Gmelin 1789) broodstock

Lulijwa

Venter

Young

et al. 2021

Journal of Fish Biology

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This study characterized selected peripheral blood (PB) haematological parameters, liver, serum and muscle metabolic features in 3-and 5-year-old male and female giant kokopu (Galaxias argenteus) broodstock reared indoor at 16 C. Sex and age did not affect PB total cell count and haematocrit values. Nonetheless, higher erythrocytes in 5-year-old fish, elevated thrombocyte and lymphocyte counts in 3-year-old fish indicate age-specific cellular regulation. Higher thrombocyte counts in female fish suggest sex-specific regulation. At a metabolic level, liver abundance for long chain saturated fatty acids (FAs) was higher in males, whereas females had elevated levels of polyunsaturated FAs. Essential and non-essential amino acids (AAs) in liver and serum were also elevated in females compared to males. These findings suggest differential allocation of FAs and AAs to reflect requirements for gonadal, development and provisioning. Similarly, age significantly resulted in higher liver and serum abundances of some non-essential AAs in 3-year-olds compared to 5-year-old fish, suggesting higher metabolism in younger fish. Overall, results enhance our understanding of sex-and age-based differences in fish haematology, muscle, liver, and serum metabolite profiles in healthy G. argenteus. Future studies should carefully consider potential age-and sex-specific differences in metabolic responses.

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Reproductive Behaviour, Hematological Profile and Monogenean Microfauna of the Nest-Breeding, Nile Green Tilapia (Tilapia zilli) Gervais, 1848

Cited by 4 publications

References 31 publications

Automated Hematological Approach and Protein Electrophoretic Pattern in Tilapia (Oreochromis niloticus): An Innovative and Experimental Model for Aquaculture

Automated Hematological Approach and Protein Electrophoretic Pattern in Tilapia (Oreochromis niloticus): An Innovative and Experimental Model for Aquaculture

Impacts of physicochemical and heavy metal parameters on infestation level of the monogeneans, Quadriacanthus spp. infesting Nile catfish, Clarias gariepinus of different water localities in Nile Delta, Egypt

Haematological and metabolic profiles associated with age and sex in giant kokopu (Galaxias argenteus) (Gmelin 1789) broodstock

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