Caratteristiche chimico-fisiche, contenuto in cellule somatiche ed attitudine alla coagulazione di latte individuale di pecore allevate in Emilia-Romagna.
1992
Manfredini M. | Zarri M.C. | Tassinari M.
In order to verify the relationship between physico-chemical characteristics and coagulation properties, 668 individual milk samples, deriving from the morning milking of Sarda, Delle Langhe and Massese ewes farmed in Northern Italy, were analyzed. The average values obtained were within the ranges found in literature, with the single exception of the ash value, which was lower. The number of somatic cells per ml was found to be the most variable parameter of all; only 71.1% of the samples had less than 500000 cells/ml, while in 19.5% of the cases the cell content was higher than 1000000/ml. Normal coagulation parameters (r = 16'39", k20 = 2'36", A30 = 54 mm) were found in 81.9% of the samples, while the remaining 18.1% had a very slow coagulation or did not coagulate at all. Coagulation parameters were closely correlated with pH, somatic cell content and whey protein content (P<0.001).
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