Fish Pathology
Online ISSN : 1881-7335
Print ISSN : 0388-788X
ISSN-L : 0388-788X
Hematological Characteristics of Triploid Rainbow Trout
Atsushi YamamotoTakaji Iida
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1994 Volume 29 Issue 4 Pages 239-243

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Abstract

Hematological characteristics were compared between 10 triploid rainbow trout and 8 diploid ones. Hemocytes of the triploids were larger in size but smaller in number than those of the diploids, and no difference was found in hematocrit value between them. Blood hemoglobin concentration of the triploids was lower than that of the diploids. Mean corpuscular hemoglobin concentration (MCHC) of the triploids was the same as that of the diploids. Mean corpuscular volume (MCV) and mean corpuscular hemoglobin (MCH) of the triploids were higher than those of the diploids. According to these mean corpuscular constants, the blood condition of the triploinds was classified as macrocytic anemia. It was concluded that macrocytic anemia of the triolid rainbow trout was due to the increased genome number which increased in proportion to ploidy.

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