Table 5
Effect of dry feeding and liquid feeding on milk composition of colostrum and milk at 21d lactation

CriteriaTreatmentSEM aP-value
Dry feedingLiquid feeding
Milk composition
Casein, %
 24 h postpartum6.036.520.2560.37
 Day 21 of lactation4.764.180.1530.04
Fat, %
 24 h postpartum8.299.570.8450.48
 Day 21 of lactation7.205.810.3840.07
Protein, %
 24 h postpartum7.518.360.3500.25
 Day 21 of lactation5.344.660.1940.07
Lactose, %
 24 h postpartum4.614.010.1400.04
 Day 21 of lactation6.116.210.0420.28
Total solid, %
 24 h postpartum22.5024.360.9970.38
 Day 21 of lactation20.0918.050.5340.04
Solid not fat, %
 24 h postpartum12.5212.720.3330.78
 Day 21 of lactation11.5010.940.1580.07
Free fatty acid, %
 24 h postpartum3.023.090.1430.81
 Day 21 of lactation8.988.720.6460.85