Browsing Brage INN by Author "Morrell, Jane M."

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Associations between insulin-like factor 3, scrotal circumference and semen characteristics in young Norwegian Red bulls

Bremer, Joanna; Heringstad, Bjørg; Morrell, Jane M.; Kommisrud, Elisabeth (Peer reviewed; Journal article, 2023)

With the integration of genomic selection in the cattle artificial insemination (AI) industry, bulls are selected for their semen production capacity and fertility at a younger age than previously. Norwegian Red bull calves ...
Novel interpretation of sperm stress test and morphology for maturity assessment of young Norwegian Red bulls

Bremer, Joanna; Heringstad, Bjørg; Morrell, Jane M.; Kommisrud, Elisabeth (Peer reviewed; Journal article, 2023)

The use of genomic selection significantly reduces the age of dairy bulls entering semen production compared to progeny testing. The study aimed to identify early indicators that could be used for screening bulls during ...