A note on enzyme activity in the serum
of Hucul horses of various ages

The activity of ceruloplasmin (Cp), alkaline phosphatase (AP), acid phosphatase (AcP) and amylase (Am) in the serum of Hucul mares and stallions divided into age groups (weanlings, yearlings, 2-years-old and adults) was estimated during the winter feeding season. Statistically significant and highly significant differences were found in the activity of enzymes between age groups of stallions and mares. Activity levels of Cp, AP and AcP in individual age groups were mostly higher in the serum of mares than in stallions, except for Am. The AP activity decreased with age, from 5.62 to 2.94 IU/l in mares and from 4.78 to 2.99 IU/l in stallions.

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1230-1388

Assigning DOI numbers, introducing articles from supplements and recent publications to POL-index database, maintaining anti-plagiarism detection, electronic system to proceed manuscripts and webpage of the Journal with interactive pdf files, and language correction of manuscripts published in Journal of Animal and Feed Sciences are financed in the years 2018–2019 by the Ministry of Science and Higher Education from the funds for science popularization activities, Agreement No. 631/P-DUN/2018.