B. Zaleska et al.: Impact of Saccharomyces cerevisiae supplementation
Table 2. Chemical composition of milk.
Traits Day of lactation Group
I II III
x SD x SD x SD
Chemical composition (%)
Dry matter
28 15.45B 0.74 16.28A 0.80 16.81A 0.86
70 17.58b 1.18 18.23 0.91 18.56a 0.74
Fat
28 5.12B 0.64 5.60B 0.75 6.46A 0.92
70 6.34Bb 0.77 7.27a 0.62 7.65A 0.70
Protein
28 4.65 0.49 4.99 0.38 4.88 0.47
70 5.32 0.37 5.56 0.55 5.83 0.30
Lactose
28 5.11 0.26 5.22 0.13 5.17 0.22
70 4.89 0.55 4.97 0.27 4.96 0.28
a; b p 0:05; A; B p 0:01