Haematology of the New Zealand freshwater eels<i>Anguilla australis schmidtii</i>and<i>A. dieffenbachii</i>

McArthur, Carole

doi:10.1080/03014223.1977.9517931

Cited by 14 publications

(8 citation statements)

References 33 publications

(31 reference statements)

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“…Basically, thymus can be considered as an encapsulated aggregation of macrophages that process the proliferation of T-cells. Differentiation of the structure of the thymus is highly variable within teleosts [12,83,84]. In many fish species there is no clear cortico-medullary differentiation as would normally be seen in higher vertebrates [16,84,85].…”

Section: Anatomical Studiesmentioning

confidence: 99%

Development and function of the thymus in teleosts

Bowden

Cook

Rombout

2005

Fish & Shellfish Immunology

114

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Section: Anatomical Studiesmentioning

confidence: 99%

Development and function of the thymus in teleosts

Bowden

Cook

Rombout

2005

Fish & Shellfish Immunology

114

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“…The cytoplasm was stained light pink. Moreover, McArthur [11] reported the morphology of erythrocytes, neutrophils, lymphocytes, thrombocytes of the New Zealand freshwater eels, Anguilla australis Schmidtii (Phillips) and A. dieffenbachii (Gray). Neutrophil of the New Zealand freshwater eels was oval to round fine granules comparable to the mammalian neutrophil and this leucocyte found rarest in blood smear.…”

Section: Cell Morphology and Morphometricmentioning

confidence: 99%

Comparative Hematological Values, Morphometric and Morphological Observation of the Blood Cell in Capture and Culture Asian Eel, Monopterus albus (Zuiew)

Ponsen¹,

Narkkong²,

Pamok³

et al. 2009

American J. of Animal and Veterinary Sciences

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Problem statement: Monopterus albus (Zuiew), Asian Eel, is one of the common fish found mainly in Asia. At present, the habitats of Asian Eels have been on the decrease. Contrarily, consumption of Asian Eel has increased. Whereas, data regarding blood cell characteristics, blood cell sizes and hematological values of Asian Eel are limited. As such, the objective of this study was to establish the blood cell characteristics, blood cell dimension and hematological values of capture and culture Asian Eel. Basic knowledge from this study is important for hematological research, conservation, clinical diagnosis and in-depth study of this Eel. Approach: Blood samples of capture (n = 13) and culture (n = 19) Asian Eel, Monopterus albus (Zuiew) were collected in northeastern Thailand. Hematological values, morphometric and morphology of the blood cells were determined using standard techniques. Hematological values and morphometric between captive and cultural Eel were compared. Results: Hematological values and morphometrics of the capture and cultural Eel were not significantly different (p>0.05), but the hemoglobin and neutrophil of the capture eel were significantly higher than those of the culture eel (p<0.05). Neutrophil, monocyte, eosinophil and thrombocyte characteristics of Asian Eel were not different from other Eels. Nucleus characteristics, cytoplasmic shape and nucleus: Cytoplasm ratio of small cell I and small cell II were different. Lymphocyte of Asian Eel was different form the previous report. Conclusion: This study indicated that sources of eel influenced to some hematological values.

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“…Spores in liver imprints were not associated with any particular cell type, but McArthur (1977) found liver imprints from New Zealand anguillids, and concluded they were circulating spores filtered out by the reticuloendothelial system. Myxidium cysts were never observed in the liver and therefore these mature spores may have been introduced by the blood system.…”

Section: Discussionmentioning

confidence: 99%

Variations in the spores ofMyxidium zealandicumHine, 1975 (Protozoa: Myxosporidea)

Hine

1978

New Zealand Journal of Marine and Freshwater Research

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Myxidium zealandicum Hine, 1975 was recorded from several tissues in New Zealand freshwater eels. The gills were the most frequent site of infection, but spores also matured on the gill arch, in the skin, and occasionally in the urinary and swim bladders. Thus M. zealandicum is a histozoic species that may have evolved from a coelozoic form.Variation in spore size (8.0-11.5 jam) was found in relation to site of infection; variation in the number and arrangement of valve striations was also observed. Deposition of fibroblasts occurred at all sites of sporogony, except among the goblet cells of the epidermis.The small size (6.0-10.5µm) of unstriated spores occurring with normal spores in the gills of eels from Lake Otomangakau appeared to be related to the size of the cysts in which they occurred, and to the host Anguilla dieffenbachii.

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Haematology of the New Zealand freshwater eelsAnguilla australis schmidtiiandA. dieffenbachii

Cited by 14 publications

References 33 publications

Development and function of the thymus in teleosts

Development and function of the thymus in teleosts

Comparative Hematological Values, Morphometric and Morphological Observation of the Blood Cell in Capture and Culture Asian Eel, Monopterus albus (Zuiew)

Variations in the spores ofMyxidium zealandicumHine, 1975 (Protozoa: Myxosporidea)

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