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Table 5 Metabolic parameters in the blood of 42-day-old turkeys fed diets with different arginine (Arg) to lysine (Lys) ratios and a low methionine (Met) level, challenged withClostridium perfringens—(Experiment 1).

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 (−)0.2559.15b250.1c1029.414.23bc39.61ab16.69b0.424ab1.0194.0690.6761.905a9.45c
Arg90*Infection (+)0.23310.52b261.4bc825.517.06b41.02a18.60a0.341bc0.7893.7940.4611.886ab11.59ab
Arg100*Infection (−)0.26412.57a300.0a1024.815.17bc28.57c13.50c0.408ab1.1713.5320.5332.014a11.78a
Arg100*Infection (+)0.26412.71a279.1ab745.231.91a34.73b18.89a0.371abc0.9423.4060.3542.089a10.02bc
Arg110*Infection (−)0.27514.43a301.1a1082.615.30bc38.07ab18.41a0.447a1.2993.2500.8361.395b11.83a
Arg110*Infection (+)0.2666.43c248.3c1364.513.07c36.14ab19.51a0.295c1.0953.4100.6882.209a9.80c
SEM0.0060.4684.06757.660.9990.7420.3250.0110.0620.0700.0250.0590.215
Arg level, %
 900.2449.83b255.8b927.5b15.65b40.32a17.65b0.3820.9043.931a0.568b1.89610.52
 1000.26412.64a289.5a885.0c23.54a31.65b16.19c0.3901.0573.469b0.444c2.05110.90
 1100.27110.43ab274.7ab1223.6a14.18b37.10ab18.96a0.3711.1973.330b0.762a1.80210.81
C. perfringens infection1
 –0.14912.05a283.7a1045.614.90b35.4216.20b0.426a1.1633.6170.682a1.77b11.02
 +0.2549.89b262.9b978.420.68a37.3019.00a0.336b0.9423.5370.501b2.06a10.47
P value
 Arg0.1490.0010.0010.0240.0010.0010.0010.6380.1580.0010.0010.1210.626
 Infection0.3720.0010.0010.5280.0010.0540.0010.0010.0770.5180.0010.0050.104
 Arg × infection0.7340.0010.0010.0740.0010.0050.0010.0200.9950.3480.4510.0020.000
  1. Diets contained three levels of Arg relative to Lys (90, 100 and 110%; Arg90, Arg100 and Arg110, respectively) and a low level of Met (30% 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).