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Variations in solids-not-fat content in milk of Polish Black-and-White Lowland cows in Wielkopolska



Variations in solids-not-fat content in milk of Polish Black-and-White Lowland cows in Wielkopolska



Roczniki Akademii Rolniczej w Poznaniu (54): 11-22



Samples of bulk milk of Polish Black-and White Lowland cows were taken once a month for 1 yr as follows: (i) in 1961 from 2 state experimental farms with 178 and 77 cows respectively; (ii) in 1964 from another state experimental farm with 60 cows; and (iii) in 1965 from 9 individual farms with a total of 62 cows. SNF was calculated from lactometer and Gerber values in (i) using the Fleischmann and in (ii) using the Herz formula; and SNF was determined gravimetrically in (iii).

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