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Nina Svartedal

Senior Adviser

NIBIO Publications

Division of Survey and Statistics

Land Resource Surveys

(+47) 993 89 469
nina.svartedal@nibio.no

Place
Ås O43

Visiting address
Oluf Thesens vei 43, 1433 Ås

Links

Norsk genressurssenter Nøkkeltall fra Norsk genressurssenter Skogtregenetiske ressurser ved Norsk genressurssenter Plantegenetiske ressurser ved Norsk genressurssenter Husdyrgenetiske ressurser ved Norsk genressurssenter

Biography

As director of Norwegian Genetic Resource Centre, I am working with genetic resources for food and agriculture within animal genetic resources, plant genetic resources and forest genetic resources. I did my PhD on animal genetic resources in 2009; "Differences in grazing preferences, behaviour and production efficiency between two cattle breeds." 

I started working with conservation of Norwegian endangered dairy cattle breeds in 1990 by traveling around in most of Norway recording each animal that was left and establishing a pedigree database for these breeds, Kuregisteret (The Cow Register). This database is still of essential value both in the breeding work for these breeds and when monitoring them. Since 2000 I have been national coordinator for animal genetic resources.

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Authors

Ragnhild Aabøe Inglingstad Tove Gulbrandsen Devold Nicola Damiano Anna Caroline Holene Nina Svartedal Irene Comi Tone Inger Eliassen Tora Asledottir Ellen Kathrine Ulleberg Gerd Vegarud

Abstract

Six cattle breeds native to Norway, have for almost half a century been at risk of extinction. Due to their small population sizes, they have hardly been improved by breeding for many decades. Still, the endangered breeds represent a source of genetic diversity with special milk qualities compared to the modern breed, Norwegian red (NRF). This study reports for the first time a detailed overview of their milk composition. Milk from seven native breeds, in total 200 individuals, were included in the study. Rare genetic variants of αs1-and αs2-casein, and β-casein A1 and κ-casein B were more prevalent in milk form the endangered breeds compared to NRF. Moreover, milk from these six breeds showed better renneting properties and lower incidences of non-coagulating milk, compared to the NRF milk, which showed better acid coagulation properties. This study shows the potential for native breeds in small-scale production of high-quality rennet cheeses.

Authors

Nina Svartedal

Abstract

No abstract has been registered

Authors

Nina Svartedal

Abstract

No abstract has been registered

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