. 2020 Apr 7;51:50. doi: 10.1186/s13567-020-00776-y

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).

Item	CK U/L	ALT U/L	AST U/L	SOD U/gHb	GPx U/gHb	TP g/L	ALB g/L	UA mmol/L	UREA mmol/L	TC mmol/L	TG mmol/L	MDA µmol/L	GLU mmol/L
Arg₉₀*Infection (−)	0.255	9.15^b	250.1^c	1029.4	14.23^bc	39.61^ab	16.69^b	0.424^ab	1.019	4.069	0.676	1.905^a	9.45^c
Arg₉₀*Infection (+)	0.233	10.52^b	261.4^bc	825.5	17.06^b	41.02^a	18.60^a	0.341^bc	0.789	3.794	0.461	1.886^ab	11.59^ab
Arg₁₀₀*Infection (−)	0.264	12.57^a	300.0^a	1024.8	15.17^bc	28.57^c	13.50^c	0.408^ab	1.171	3.532	0.533	2.014^a	11.78^a
Arg₁₀₀*Infection (+)	0.264	12.71^a	279.1^ab	745.2	31.91^a	34.73^b	18.89^a	0.371^abc	0.942	3.406	0.354	2.089^a	10.02^bc
Arg₁₁₀*Infection (−)	0.275	14.43^a	301.1^a	1082.6	15.30^bc	38.07^ab	18.41^a	0.447^a	1.299	3.250	0.836	1.395^b	11.83^a
Arg₁₁₀*Infection (+)	0.266	6.43^c	248.3^c	1364.5	13.07^c	36.14^ab	19.51^a	0.295^c	1.095	3.410	0.688	2.209^a	9.80^c
SEM	0.006	0.468	4.067	57.66	0.999	0.742	0.325	0.011	0.062	0.070	0.025	0.059	0.215
Arg level, %
90	0.244	9.83^b	255.8^b	927.5^b	15.65^b	40.32^a	17.65^b	0.382	0.904	3.931^a	0.568^b	1.896	10.52
100	0.264	12.64^a	289.5^a	885.0^c	23.54^a	31.65^b	16.19^c	0.390	1.057	3.469^b	0.444^c	2.051	10.90
110	0.271	10.43^ab	274.7^ab	1223.6^a	14.18^b	37.10^ab	18.96^a	0.371	1.197	3.330^b	0.762^a	1.802	10.81
C. perfringens infection¹
–	0.149	12.05^a	283.7^a	1045.6	14.90^b	35.42	16.20^b	0.426^a	1.163	3.617	0.682^a	1.77^b	11.02
+	0.254	9.89^b	262.9^b	978.4	20.68^a	37.30	19.00^a	0.336^b	0.942	3.537	0.501^b	2.06^a	10.47
P value
Arg	0.149	0.001	0.001	0.024	0.001	0.001	0.001	0.638	0.158	0.001	0.001	0.121	0.626
Infection	0.372	0.001	0.001	0.528	0.001	0.054	0.001	0.001	0.077	0.518	0.001	0.005	0.104
Arg × infection	0.734	0.001	0.001	0.074	0.001	0.005	0.001	0.020	0.995	0.348	0.451	0.002	0.000

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).

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).