Effects of rumen-protected creatine pyruvate on blood biochemical parameters and rumen fluid characteristics in transported beef cattle

Table 1 Effects of transport and rumen-protected creatine pyruvate on the serum hormones and antioxidant parameters in the beef cattle

Item	Treatment^a				SEM	P-value
	Transport		Nontransport			P-value
	RP-CrPyr₁₄₀	RP-CrPyr₀	RP-CrPyr₁₄₀	RP-CrPyr₀		Transport	RP-CrPyr	Transport × RP-CrPyr^b
T3 (ng/mL)	1.12	1.22	1.07	1.14	0.031	0.151	0.081	0.732
T4 (ng/mL)	74.65	72.16	68.39	76.90	5.682	0.815	0.365	0.117
Cortisol (ng/mL)	62.99	84.66	62.27	76.49	12.620	0.430	0.010	0.505
MDA (nmol/mL)	5.61	7.92	4.19	6.07	0.539	0.167	0.088	0.853
SOD (U/mL)	88.77	80.15	85.60	84.41	2.165	0.908	0.317	0.442
T-AOC (mmol/L)	2.00	1.98	2.04	2.02	0.005	0.002	0.117	0.882
GSH-Px (U/mL)	109.65	125.14	133.14	136.24	6.864	0.174	0.607	0.445
CAT (U/mL)	27.15	24.50	41.36	39.68	3.253	0.010	0.634	0.914

^a A 2 × 2 factorial arrangement with 2 supplemental levels of rumen-protected creatine pyruvate (RP-CrPyr) in basal diets (0 or 140 g/d for each cattle) and 2 transport treatment (transport 0 or 12 h before slaughter)
^b Transport × RP-CrPyr, the interaction between Transport and RP-CrPyr
SEM Stand error of mean, T3 Triiodothyronine, T4 Thyroxine, MDA Malondialdehyde, SOD Superoxide dismutase, T-AOC Total antioxidant capacity, GSH-Px Glutathione per-oxidase, CAT Catalase

ISSN: 1746-6148