However, increased levels of grape residue silage in the diet linearly decreased MUN concentration and tended (P¼0.10) to decrease the proportion of total solids in milk.
Density and log somatic cell scores were not affected by diets. A trend to higher concentration of PUFA and ratio between PUFA and saturated fatty acids (SFA) in milk fat (P¼0.07 and P¼0.05, respectively) occurred with increased content of grape residue silage in the diet