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. 1982 Mar 1;23(1):135–143. doi: 10.1186/BF03546830

β-Lactoglobulin Phenotypes in Finnish Ayrshire and Friesian Cattle with Special Reference to Mastitis Indicators

β-lactoglobulin fenotyper i finska Ayrshire och Friesiska kor med speciell hänsyn til mastitindikatorer

F Atroshi 1,✉, R Kangasniemi 1, T Honkanen-Buzalski 1, M Sandholm 1,✉
PMCID: PMC8295771  PMID: 7113863

Abstract

An unselected material consisting of composite milk samples from 1029 Ayrshire and 113 Friesian cows were analysed for the β-lactoglobulin types. The frequencies of β-Lg types were AA 8.3 %, AB 45.5% and BB 46.3 % for Ayrshire cows and 22.1 %, 45.1 % and 32.8 % for Friesian cows, respectively. The relationship between β-Lg type with milk BSA, somatic cell count, protein percentage, fat percentage and milk production were analysed. AA cows were significantly higher in daily milk yield but lower in protein percentage and fat percentage than BB cows; AB types were intermediate. The annual production was highest in AB-animals. There was a tendency for AA cows to have high somatic cell counts but low milk BSA concentrations.

β-lactoglobulins; milk BSA; somatic cell count; bovine mastitis; bovine milk; milk proteins.

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