Seasonal changes in the red blood cell indices in Arabian brood mares and their foals |
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| Authors: | J Gill E Kompanowska-Jezierska |
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| Affiliation: | 1. Department of Veterinary Sciences, Universidad National del Litoral, Santa Fe, Argentina;2. Department of Veterinary Sciences, University of Messina, Messina, Italy;1. Institute of Hydro-Engineering, Polish Academy of Sciences, Kościerska 7, 80-328 Gdańsk, Poland;2. National Taiwan Ocean University, Dept. Harbor and River Engineering, No. 2, Beining Road, Zhongzheng District, Keelung City, Taiwan 202, Taiwan, ROC |
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| Abstract: | In 34 pure-bred Arabian horses, divided into four groups (Gr. I, 10 pregnant mares; Gr. II, seven barren mares; Gr. III, 10 foals born in 1981; Gr. IV, seven foals born in 1982), seasonal changes in haemoglobin level, haematocrit value, sedimentation rate, red blood cell number and diameter, percentage of erythroblasts and reticulocytes, and index F were studied. Seasonal cyclicity was found in all groups in the haemoglobin level, haematocrit value and RBC diameter. It was also found in the sedimentation rate (PCV) and in index F, but not for the youngest foals (Gr. IV). For the RBC number the cyclicity is given in both groups of foals, and the erythroblast and reticulocyte percentage only in the older foals (Gr. III). Out of eight indices studied cyclicity was found in all foals in Gr. III, in five of the mares in Groups I and II, and in four of the youngest foals in Gr. IV. There is no difference in the cyclicity of indices studied between pregnant and barren mares. |
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