INFLUENCE OF AGE ON SOME BLOOD PARAMETERS OF LAMBS
IN ORGANIC PRODUCTION
Zvonko Antunović, Marcela Šperanda, Đuro Senčić, Josip Novoselec,
Zvonimir Steiner, Mislav Djidara
Faculty of Agriculture in Osijek, Trg sv. Trojstva 3, 31000 Osijek, Croatia
zantunovic@pfos.hr
The influence of age on changes of some blood parameters has been researched within the blood serum of lambs during the suckling (30th day) and fattening period (70th day). Lambs were raised in the organic way. Signifi¬cantly decreased concentration of calcium (2.78 and 2.67 mmol/l), inorganic phosphorus (3.53 and 3.10 mmol/l), triglyceride (0.43 and 0.28 mmol/l), total cholesterol (1.67 and 1.04 mmol/l), HDL and LDL– cholesterol (1.10 and 0.73 mmol/l; 0.37 and 0.19 mmol/l) as well as increased concentration of sodium (149.43 and 152.14 mmol/l), urea (6.89 and 8.66 mmol/l), total proteins (56.41 and 59.76 g/l), albumins (29.91 and 31.11 g/l) and ALT – alanine ami¬notransferase activity (9.14 and 12.14 U/l) were determined in the blood of lambs by increasing age. With increasing the age of the lamb the number of WBC (leucocytes) and RBC (red blood cell) as well as the content of haemoglobin and haematocrite in blood, significantly increased higher content of platelets and MCV as well as lower content of MCH and MCHC were found in the blood of older lambs in comparison with the youngest lambs. The results of some blood metabolites in the lamb organic production indicate that the age must be taken as a very important factor in determining metabolic profile of blood.
Keywords: lamb; age; blood; organic production
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