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RELATIONSHIP BETWEEN KERATIN LAYER OF DUCTUS PAPILLARIS AND ZINC BLOOD SERUM CONCENTRATION IN DAIRY COWS
Vol. 5 No. 2 (2012), Original Research Articles
Vol. 5 No. 2 (2012)

RELATIONSHIP BETWEEN KERATIN LAYER OF DUCTUS PAPILLARIS AND ZINC BLOOD SERUM CONCENTRATION IN DAIRY COWS

Original Research Articles
https://doi.org/10.46784/e-avm.v5i2.170
Published 26.12.2012
Ivana Davidov
Department of Veterinary Medicine, Faculty of Agriculture, University of Novi Sad, Novi Sad, Serbia
Miodrag Radinović
Department of Veterinary Medicine, Faculty of Agriculture, University of Novi Sad, Novi Sad, Serbia
Mihajlo Erdeljan
Department of Veterinary Medicine, Faculty of Agriculture, University of Novi Sad, Novi Sad, Serbia
Zorana Kovačević
Department of Veterinary Medicine, Faculty of Agriculture, University of Novi Sad, Novi Sad, Serbia
Dragica Stojanović
Scientific Veterinary Institute “Novi Sad”, Novi Sad, Republic of Serbia
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Keywords

keratin layer
teat canal
zinc
blood serum
cow

How to Cite

Davidov, I., Radinović, M., Erdeljan, M., Kovačević, Z. and Stojanović, D. (2012) “RELATIONSHIP BETWEEN KERATIN LAYER OF DUCTUS PAPILLARIS AND ZINC BLOOD SERUM CONCENTRATION IN DAIRY COWS”, Archives of Veterinary Medicine, 5(2), pp. 45–51. doi: 10.46784/e-avm.v5i2.170.
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Abstract

The experiment was carried out on a mini farm of Holstein-Friesian cows with 30 animals, aged between 3 and 5 years and the zinc level in serum was measured. The analyses of the blood samples indicated a variation in the concentration of zinc in serum. In 11 out of 15 tested cows (73.33%) the zinc values in serum were below the physiological values for high-milking cows. In the experimental group different thickness of the keratin layer was detected in the teat canal. The statistical analysis showed a positive correlation between the concentration of zinc in cow serum and the thickness of teat canal keratin layer. This indicates that the cows with low values of zinc have thin keratin layer of the teat canal.

https://doi.org/10.46784/e-avm.v5i2.170
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