The effect of breed, b-lactoglobulin variants and somatic cellb the effect of breed, count on yield, chemical components and whey protein composition in milk of non-dairy sheep. | [Journal of Animal and Plant sciences • 2015]

Author(s):

1. A. Rozbicka-Wieczorek: Polish Academy of Sciences, The Kielanowski Institute of Animal Physiology and Nutrition, Instytucka, Jablonna, Poland

2. A. Radzik-Rant: Warsaw University of Life Sciences, Department of Animal Breeding, Ciszewskiego 8 St, 02-786 Warsaw, Poland

3. W. Rant: Warsaw University of Life Sciences, Department of Animal Breeding, Ciszewskiego 8 St, 02-786 Warsaw, Poland

4. K. Puppel: Warsaw University of Life Sciences, Department of Animal Breeding, Ciszewskiego 8 St, 02-786 Warsaw, Poland

Abstract:

The number of studies regarding the influence of genetic and environmental factors of ovine milk properties of non-dairy -lactoglobulin variants and somatic cellbbreeds is limited. The aim of this study was to determine the influence of breed, count on the content of the principal milk ingredients and whey protein components. The study was carried out on 60 Polish Lowland and Polish Heath ewes, which come from the same flock and were kept under the same management and feeding practise. Both these breeds did not differ in respect of the principal components of milk. The milk of the -lactalbumin ratio compared to milk of Polish Heatha-lactoglobulin/bLowland sheep was characterized by a higher -lactoglobulin variants have affected the content of casein and lactose, which was higher in the milk ofbbreed. The -lactoglobulin, andbewes with the BB genotype. The increase in somatic cell count decreased total protein, casein and -lactoglobulin variants and somatic cell count mainly affected thebsignificantly increased the share of lactoferrin. The components of the protein fraction of milk.

Page(s): 633-639

DOI: DOI not available

Published: Journal: Journal of Animal and Plant sciences, Volume: 25, Issue: 3, Year: 2015

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