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Oxidoreductive enzyme activities in erythrocytes and plasma of lactating dairy cows


Strelec, Ivica; Šarkanj, Bojan; Bešlo, Drago; Agić, Dejan; Đidara, Mislav; Šperanda, Marcela; Pavić, Mirela
Oxidoreductive enzyme activities in erythrocytes and plasma of lactating dairy cows // Proceedings of The First International Symposium on Animal Science / Hristov, Slavča (ur.).
Beograd: Akademska izdanja d.o.o., 2012. str. 41-48 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


Naslov
Oxidoreductive enzyme activities in erythrocytes and plasma of lactating dairy cows

Autori
Strelec, Ivica ; Šarkanj, Bojan ; Bešlo, Drago ; Agić, Dejan ; Đidara, Mislav ; Šperanda, Marcela ; Pavić, Mirela

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of The First International Symposium on Animal Science / Hristov, Slavča - Beograd : Akademska izdanja d.o.o., 2012, 41-48

ISBN
978-86-7834-165-6

Skup
The First International Symposium on Animal Science

Mjesto i datum
Beograd, Srbija, 8-10.11.2012.

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Catalase; dairy cows; glutathione reductase; glutathione-S-transferase; lactation oxidative stress

Sažetak
The oxidoreductive enzymes, glutathione reductase (GR), catalase (CAT) and glutathione-S-transferase (GST) as markers of oxidative stress were measured in erythrocytes and plasma of dairy cows during three stages of lactating period: immediately after parturition (group 1), until 80th day of lactation (group 2) and after 200 day of lactation (group 3). GR, GST and CAT activities were found significantly higher in erythrocyte hemolysates of dairy cows during early lactation period than in later stages of lactation (group 2 and 3). Similarly was observed for plasma GST activity which was significantly lower in the later stages of lactation (second and third group). Contrary to erythrocyte GR decrease, dairy cows plasma GR activities were significantly higher (P<0.05) in the later stages of lactating period (group 2 and 3). Obtained data indicates increased oxidative stress in dairy cow red blood cells during early phases of lactation, and its decrease in later stages of lactation.

Izvorni jezik
Engleski

Znanstvena područja
Veterinarska medicina, Biotehnologija, Prehrambena tehnologija



POVEZANOST RADA


Ustanove
Fakultet agrobiotehničkih znanosti Osijek,
Prehrambeno-tehnološki fakultet, Osijek