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Table 8 Metabolic markers in the blood of 42-day-old turkeys fed diets with different arginine (Arg) to lysine (Lys) ratios and a high methionine (Met) level, challenged withClostridium perfringens—(Experiment 2).

From: The effect of different dietary ratios of lysine and arginine in diets with high or low methionine levels on oxidative and epigenetic DNA damage, the gene expression of tight junction proteins and selected metabolic parameters in Clostridium perfringens-challenged turkeys

ItemCK
U/L
ALT
U/L
AST
U/L
SOD
U/gHb
GPx
U/gHb
TP
g/L
ALB
g/L
UA mmol/LUREA mmol/LTC
mmol/L
TG
mmol/L
MDA
µmol/L
GLU mmol/L
Arg90*Infection (−)0.249d13.13a239.0c807.2c14.65d44.59a20.51b0.4121.319ab3.727ab0.6211.718b6.95c
Arg90*Infection (+)0.365b11.26ab275.4ab2234.1a20.80c36.05b18.97bc0.2801.477a3.498b0.5121.54bc9.43b
Arg100*Infection (−)0.187e15.31a247.7bc1139.4c14.44d38.55b19.99b0.3911.502a2.945c0.7151.279c10.25b
Arg100*Infection (+)0.168e6.64c303.7a2216.3ab47.94b38.1b23.60a0.3471.146ab4.063a0.6462.205a10.32b
Arg110*Infection (−)0.236 cd13.64a289.3a2126.6ab12.92d37.4b18.39c0.3650.738b3.358bc0.3961.830b12.02a
Arg110*Infection (+)0.434a7.43c255.0bc1705.9b55.60a35.75b22.58a0.3171.120ab4.243a0.3362.119a12.10a
SEM0.0140.6784.43893.232.5760.676b0.3050.0110.0670.0790.0240.0740.290
Arg level,  %
 900.307b12.20257.2b15207c17.72b40.32a19.74b0.3461.398a3.6130.566b1.6298.19c
 1000.177c10.98275.7a1677.8b31.19a38.33ab21.80a0.3691.324a3.5040.681a1.74210.28b
 1100.335a10.53272.2ab1916.3a34.26a36.58b20.48ab0.3410.929b3.8000.366c1.97412.06a
C. perfringens infection1
 –0.224b14.03a258.7b1357.8b14.00b40.18a19.63b0.389a1.1873.343b0.577a1.609b9.74b
 +0.322a8.45b278.0a2052.1a41.45a36.64b21.72a0.315b1.2483.935a0.498b1.955a10.62a
P value
 Arg0.0010.4080.0410.0080.0010.0300.0010.4660.0040.0640.0010.0730.001
 Infection0.0010.0010.0030.0010.0010.0030.0010.0010.6050.0010.0090.0070.006
 Arg × infection0.0010.0340.0010.0010.0010.0090.0010.1240.0400.0010.7550.0030.002
  1. Diets contained three levels of Arg relative to Lys (90, 100 and 110%; Arg90, Arg100 and Arg110, respectively) and a high level of Met (45% dietary Lys).
  2. 1At 34, 36 and 37 days of age, birds were infected with 1 mL (per os directly into the crop) of a culture medium of C. perfringens type A strain 56 containing approximately 108 CFU/mL of bacteria. a,b,cMeans within a row with different superscripts differ significantly (P < 0.05).