Abstract

In this article we presented procedures and results of boar semen quality control performed at the Scientific Veterinary Institute “Novi Sad” based on continuous cooperation with the farms’ centers for boar semen production. Th e data obtained by computer analysis (CASA-computer assisted sperm analysis), flow cytometry and cyto-morphologic examination were used for semen quality evaluation. Th e selected parameters were compared with the reproductive results in sows, such as: farrowing rate, number of piglets per litter, ratio of piglets born alive and stillborn piglets). Semen quality evaluation based on spermatozoa progressive motility, sperm concentration, morphological characteristics and chromatine structure damage were used to give recommendations for semen processing, dilution degree, prospective therapy of boars, or, at least, their culing. Analysis of semen was complemented with seasonal bacterial cultivation and controls in cases of sudden drop on semen quality. Separate fi les containing semen quality graphs and reproductive indicators for easier monitoring were created for every boar. Systematic semen analyses performed by the use of several modern methods, along with periodic bacteriological control, offer possibilities for reliable assessment of boars’ semen quality.

Highlights

  • Uzimanje sperme nerasta i proizvodnja semena za veštačko osemenjavanje krmača i nazimica vrši se u centrima za veštačko osemenjavanje, farmskim centrima, manjim reproduktivnim centrima u privatnom vlasništvu ili u vlasništvu udruženja odgajivača svinja

  • Progresivna rukovodstva farmi, donose dugoročne planove i programske ciljeve za priplodne nerastove koji su iznad nominalnih zahteva važećih Pravilnika

  • Procenat oprasivosti ne mora biti u korelaciji sa brojem spermatozoida i jasnim odrazom kvaliteta semena, ukoliko se koristi veći broj spermatozoida, Ovim čime se može prevazići veći deo problema u kvaliteta semena

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Summary

Introduction

Uzimanje sperme nerasta i proizvodnja semena za veštačko osemenjavanje krmača i nazimica vrši se u centrima za veštačko osemenjavanje, farmskim centrima, manjim reproduktivnim centrima u privatnom vlasništvu ili u vlasništvu udruženja (asocijacija) odgajivača svinja. I u ovim slučaju, uglavnom sprovode u ekscesnim situacijama, kada je kvalitet semena kod značajnijeg broja nerastova loš, a seme neupotrebljivo. Postoje Neki parametri kvaliteta semena koji se mogu kompenzovati povećanjem broja spermatozoida u dozi.

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