Antioxidant defence of colostrum and milk in consecutive lactations in sows

Table 1 Effect of parity on antioxidative profile in colostrum and milk of sows during early postpartum period

Groups	GSH-Tr	GSH-Px	SOD	Vit C	Vit A
A	59.65^a	36.01^a	0.017^a	0.34^a	1.50^a
B	75.76^c	50.41^b	0.021^b	0.29^a	2.28^c
C	63.06^b	52.08^b	0.026^c	0.30^a	2.18^{b, c}
D	74.48^c	53.29^b	0.020^b	0.47^a	1.98^b

Groups of animals: (A) - sows giving birth for 1^st time, (B) - sows giving birth for 2^nd-3^rd time, (C) - sows giving birth for 4^th-5^th time, (D) - sows giving birth for 6-8 times
GSH-Tr - Glutathione Transferase - mean - pkat/mg protein, GSH-Px - Glutathione Peroxidase - mean - nkat/mg protein, SOD - Superoxide Dismutase - mean - SOD units/mg protein, Vitamin C - mean - μmol/g protein, Vitamin A - mean - μg/g of protein
Time 0 - sample collected immediately after parturition, Time 6 h - sample collected 6 h after parturition, Time 12 h - sample collected 12 h after parturition, Time 18 h - sample collected 18 h after parturition, Time 36 - sample collected 36 h after parturition, Time 72 - sample collected 72 h after parturition

ISSN: 2046-0481