Blood samples were taken from the ventral coccygeal vein of 15 El Hierro giant lizards (Gallotia simonyi) (seven females and eight males), six La Gomera giant lizards (Gallotia bravoana) (four males and two females) and four Tenerife giant lizards (Gallotia intermedia) (two males and two females), and 31 blood parameters were measured. Among the haematological parameters there were significant differences between the three species in heterophils, azurophils and lymphocytes, but no significant differences in red blood cell count, white blood cell count, haemoglobin, packed-cell volume, monocytes, eosinophils and basophils. in terms of blood chemistry there were significant differences between the three species in cholesterol, triglycerides, glucose, sodium, chloride, urea, uric acid, total proteins, prealbumin, albumin and gamma globulins, but no significant differences in calcium, potassium, aspartate aminotransferase, alanine aminotransferase, creatine kinase, bile acids, alpha-i and alpha-2 globulins and beta globulins.
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↵Dr Marco and Dr Lavin are also at the Servicio de Ecopatologia de Fauna Salvaje, Facultat de Veterinaria, Universitat Autonoma de Barcelona 08196 Bellaterra (Barcelona), Spain
↵Dr Cuenca is also at the Servicio de Hematologia Clinica Veterinaria, Facultat de Veterinaria, Universitat Autonoma de Barcelona, 08193 Bellaterra (Barcelona), Spain