Relationship between some enzymes activity, sperm morphology and stallion semen quality

Английский. The sperm morphology is one of the factors determining semen quality besidessperm motility and concentration. An important role in this aspect plays someenzymes which are estimated in raw semen plasma. The examination of numerouspopulations of stallions of different breeds and age performed by Kosiniak-Kamyszet al. (2005) showed that significant differences occurred between stallion semenquality concerning both macro- and microscopic examination and some enzymesactivity. It was found that aspartate aminotranspherase (AspAT), lactatedehydrogenase (LDH) and alkaline phosphatase (AP) activity and total proteinamount (TP) in raw seminal plasma decreased when the percent of sperms withcytoplasmatic droplets increased. The increase of these enzymes activity is observedwith the increase of the number of loose heads. These observations showed thatmany examined factors of the semen and semen plasma decided on its quality and onthis reason that these factors need to be applied for seminological diagnosis

Английский. stallion, semen plasma, sperm morphology, enzymes activity, biochemical components

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