Sperm DNA integrity in Landrace and Duroc boar semen and its relationship to litter size

Contents The sperm chromatin structure assay is a method for assessment of sperm DNA fragmentation, a parameter reported to be negatively related to field fertility in several mammal species. This method calculates a DNA fragmentation index (DFI) whose high values indicate abnormal chromatin structu...

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Bibliographic Details
Published in:Reproduction in domestic animals 2019-02, Vol.54 (2), p.160-166
Main Authors: Myromslien, Frøydis D., Tremoen, Nina H., Andersen‐Ranberg, Ina, Fransplass, Ragnhild, Stenseth, Else‐Berit, Zeremichael, Teklu T., van Son, Maren, Grindflek, Eli, Gaustad, Ann Helen
Format: Article
Language:English
Subjects:
Acridine Orange
Animals
boar
Breeding
Chromatin
Chromatin - chemistry
Chromatin - drug effects
Deoxyribonucleic acid
DNA
DNA fragmentation
DNA Fragmentation - drug effects
DNA integrity
Female
Fertility
Flow Cytometry
Fragmentation
Hogs
Integrity
Litter Size
Male
Morphology
Motility
Parameters
Parity
Pregnancy
Semen
semen analysis
Semen Analysis - veterinary
Semen Preservation - veterinary
Sperm
sperm chromatin structure assay
Spermatozoa - drug effects
Spermatozoa - physiology
Swine
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Summary:Contents The sperm chromatin structure assay is a method for assessment of sperm DNA fragmentation, a parameter reported to be negatively related to field fertility in several mammal species. This method calculates a DNA fragmentation index (DFI) whose high values indicate abnormal chromatin structure. In this study, running from March 2010 until June 2017, the aim was to assess sperm DFI in stored liquid extended semen from two different pig breeds, Norwegian Landrace (NL; n = 693) and Norwegian Duroc (ND; n = 655), and to evaluate the influence on total number of piglets born (TNB). There was a significantly higher median DFI (p 
ISSN:0936-6768
1439-0531
DOI:10.1111/rda.13322