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Fırat Üniversitesi Sağlık Bilimleri Veteriner Dergisi
2004, Cilt 18, Sayı 2, Sayfa(lar) 073-078
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The Effect of Excessive Dietary Iodide on Some Clinic, Heamatologic and Biochemical Parameters in the Bovine
Fuat GÜRDOĞAN, Engin BALIKÇI
Fırat Üniversitesi Sivrice Meslek Yüksekokulu Elazığ/ TÜRKİYE
Keywords: Iodine, clinic, haematologic and biochemical parameters, fattening steers

This study was carried out to determine the possible changes for body weight gains, some clinic, heamotologic and biochemical parameters of steers fed excessive dietary iodide. Ethylenediamine dihydriodide (EDDI) was the iodine source used for animals as dietary iodide. In the study, a total number of 12 half-bred fattening steers at the age of 15-16 months and averaging 350 kg of body weight were used. Two groups were formed from experimental steers by allocating 6 steers in each group. Concentrate feed (commercial feed), grinded barley and as forage sources, straw and sugar beet pulp were offered to animals. Before the start of experiment, serum iodine concentrations of the animals were measured and found to be at the avarage of 7.5 µg/100 ml. Housed animals were fed alone and EDDI was offered to first group at an average of 10 mg/steer daily (control group) and to second group at an average of 200 mg/steer daily (experimental group) mixing with concentrate feed during 8 weeks. In the study, no clear sign of toxication was found for the animals of experimental group but only an animal with nasal, lacrimal discharge and coughing and another animal with a slight hair loss at the neck were observed. Daily body weight gains decreased (p>0.05) while body temperatures (p<0.05), pulsations (p<0.001) and respirations (p<0.05) increased in experimental group when compared with control group. For some heamotological parameters, heamatocrit value (p>0.05), total leukocytes (p>0.05), neutrophils (p<0.001) and monocytes (p>0.05) were higher while heamoglobulin portion (p>0.05), lymphocytes (p<0.05) and eosinophils (p<0.01) were lower in experimental group. As biochemical parameters observed, serum iodine (p<0.001), glucose (p<0.05), total protein (p<0.05), blood urea nitrogene (BUN) (p<0.01), aspartat aminotransferase (AST) (p<0.01) and thyroxine (p<0.05) increased while cholesterol (p<0.01) decreased in experimental group when compared with control group.

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