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2011 | 14 | 1 |
Tytuł artykułu

Effect of sperm concentration in an ejaculate on morphometric traits of spermatozoa in Duroc boars

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The experimental material consisted of 75 ejaculates collected form 8 Duroc boars. The ejaculates were divided into three groups according to sperm concentration in an ejaculate. An ejaculate was obtained from each boar monthly and it was used to make microscopic preparations to examine spermatozoa morphology. In each preparation morphometric measurements were taken of fifteen randomly selected spermatozoa characterized by normal morphology. The following measurements of spermatozoa were taken: length and width of the spermatozoa head, head area, length of the flagellum, perimeter of the spermatozoon head and total spermatozoon length. The results were used to calculate indicators of spermatozoa morphology. Moreover, assessments were made of frequency of morphological defects to isolate spermatozoa with primary and secondary abnormalities following the Blom classification system. It was found that the concentration of spermatozoa in the ejaculate influenced the morphometric characteristics of spermatozoa. Ejaculates with low sperm concentrations are characterized by larger spermatozoa as compared to ejaculates with high sperm concentrations. However, sperm concentration in the ejaculate does not much influence the shape of spermatozoa.
Wydawca
-
Rocznik
Tom
14
Numer
1
Opis fizyczny
p.35-40,ref.
Twórcy
autor
  • Department of Animal Reproduction and Hygiene, Siedlce University of Natural Sciences and Humanities, Prusa 14, 08-110 Siedlce, Poland
autor
autor
Bibliografia
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Typ dokumentu
Bibliografia
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Identyfikator YADDA
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