Oxidative Stress Evaluation During Milking Period in the Ewes

G. Piccione Dipartimento di Morfologia, Biochimica, Fisiologia e Produzioni animali Facoltà di Medicina Veterinaria Sezione di Fisiologia Veterinaria, Università degli Studi di Messina Polo Universitario dell' Annunziata, Messina, 98168, Italy

M. Borruso Dipartimento di Morfologia, Biochimica, Fisiologia e Produzioni animali Facoltà di Medicina Veterinaria Sezione di Fisiologia Veterinaria, Università degli Studi di Messina Polo Universitario dell' Annunziata, Messina, 98168, Italy

F. Fazio Dipartimento di Morfologia, Biochimica, Fisiologia e Produzioni animali Facoltà di Medicina Veterinaria Sezione di Fisiologia Veterinaria, Università degli Studi di Messina Polo Universitario dell' Annunziata, Messina, 98168, Italy

F. Grasso Dipartimento di Morfologia, Biochimica, Fisiologia e Produzioni animali Facoltà di Medicina Veterinaria Sezione di Fisiologia Veterinaria, Università degli Studi di Messina Polo Universitario dell' Annunziata, Messina, 98168, Italy

G. Caola Dipartimento di Morfologia, Biochimica, Fisiologia e Produzioni animali Facoltà di Medicina Veterinaria Sezione di Fisiologia Veterinaria, Università degli Studi di Messina Polo Universitario dell' Annunziata, Messina, 98168, Italy

Abstract

Piccione, G., Borruso, M., Fazio, F., Grasso, F. and Caola, G. 2006. Oxidative stress evaluation during milking period in the ewes. J. Appl. Anim. Res., 29: 109–112.

The role of oxygen free radicals is considered important especially during productive phases in domestic animals. To investigate the effects of the antioxidant mechanisms during different phases of milking and during dry period 5 Valle del Belice ewes were used. Blood samples were taken on days 1, 40 and 200 of milking and during dry period. Serum samples were assessed for antioxidant barrier (Oxy-adsorbent), reactive oxygen species (dROMs) and thiol antioxidant barrier (SHp). Oxidative processes increased (P<0.05) at the end of milking period, together with a compensative response of the organism to this stress and suggest the important role of oxidative status in dairy ewes.

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Oxidative Stress Evaluation During Milking Period in the Ewes

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