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Table 5 Effects of arginine infusion on the urea N in serum, urine and milk of dairy cows

From: Jugular arginine supplementation increases lactation performance and nitrogen utilization efficiency in lactating dairy cows

Items

Treatmentsc

SEM

P-value

Control

Arg group

Ala group

Urea N in serum, mmol/L

1.68a

1.36b

1.63a

0.09

0.01

Urea N in urine, g/d

155.85ab

131.05b

164.08a

11.94

0.04

Urea N in milk, g/d

9.42a

7.80b

8.95a

0.42

0.01

  1. a,bDifferent superscripts within a column represent significant differences (P < 0.05)
  2. cControl, saline; Arg group, saline + 9.42 g/L L-Arg; Ala group: saline + 19.31 g/L L-Ala