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Table 2 Milk production and composition according to parity order in Nellore cows under grazing

From: Effects of parity order on performance, metabolic, and hormonal parameters of grazing beef cows during pre-calving and lactation periods

Items Parity   P-value
Nulliparous Primiparous Multiparous SEM Par Day Par x Day
Milk yield, kg/d 6.5a 6.0a 7.2b 0.258 0.006 < 0.001 0.882
Fat1 5.15 4.98 5.06 0.236 0.871 0.294 0.895
Protein1 3.26 3.18 3.34 0.078 0.317 < 0.001 0.689
Lactose1 4.56 4.61 4.68 0.045 0.169 0.238 0.536
Total solids1 13.91 13.81 14.13 0.248 0.613 0.019 0.770
  1. Different letters declare significantly different between parities (P < 0.05)
  2. 1g/100g