Browsing Brage INN by Author "Zak, Louisa J."
Now showing items 1-3 of 3
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Effect of two 'progressively motile sperm-oocyte' ratios on porcine in vitro fertilization and embryo development
Jochems, Reina; Gaustad, Ann Helen; Zak, Louisa J.; Grindflek, Eli; Zeremichael, Teklu Tewoldebrhan; Oskam, Irma Caroline; Myromslien, Frøydis Deinboll; Kommisrud, Elisabeth; Krogenæs, Anette Kristine (Peer reviewed; Journal article, 2022)Sperm motility and viability of cryopreserved semen vary between boars and straws, which influences the outcomes of in vitro embryo production (IVEP). However, progressive motility is usually not considered during IVEP. ... -
Follicular fluid steroid hormones and in vitro embryo development in Duroc and Landrace pigs
Jochems, Reina; Gaustad, Ann Helen; Styrishave, Bjarne; Zak, Louisa J.; Oskam, Irma Caroline; Grindflek, Eli; Myromslien, Frøydis Deinboll; Kommisrud, Elisabeth; Krogenæs, Anette Kristine (Peer reviewed; Journal article, 2022)The Duroc sire line has a smaller litter size compared to the Landrace dam line and we have previously observed fewer surface follicles on Duroc ovaries one day after weaning. In that same study, a broader cumulus expansion ... -
Ovarian characteristics and in vitro nuclear and cytoplasmic oocyte maturation in Duroc and Landrace pigs
Jochems, Reina; Gaustad, Ann Helen; Zak, Louisa J.; Grindflek, Eli; Zeremichael, Teklu Tewoldebrhan; Oskam, Irma Caroline; Myromslien, Frøydis Deinboll; Kommisrud, Elisabeth; Krogenæs, Anette Kristine (Peer reviewed; Journal article, 2021)Differences in total number of piglets born per litter are observed between the Norwegian Duroc (ND) sire and Norwegian Landrace (NL) dam line. The aim of this study was to evaluate ovarian characteristics, and in vitro ...