Table 4.

Effects of feeding sows diets supplemented with lysozyme on the composition of milk and milk concentrations of immunoglobulin¹

	Treatment
Item	Control	LZM 150	LZM 300	SEM	P-value
Colostrum, % d 1 of lactation
Fat	3.11	3.28	3.30	0.15	0.88
Lactose	12.62	12.17	12.22	0.47	0.93
Protein	8.15	7.75	7.82	0.21	0.73
Total solids	22.01	20.95	20.15	0.48	0.30
IgA (mg/mL)	3.21b	3.54a	3.51a	0.06	0.04
Milk, %
Day 7 of lactation
Fat	6.35	6.49	7.03	0.16	0.23
Lactose	6.06	6.10	6.10	0.19	0.99
Protein	3.82	3.9	3.92	0.07	0.86
Total solids	10.81	10.70	10.55	0.13	0.71
IgA (mg/mL)	1.84b	2.13a	2.11a	0.05	0.03
Day 21 of lactation
Fat	5.04	5.84	5.40	0.23	0.38
Lactose	5.49	5.16	5.24	0.19	0.79
Protein	3.73	3.60	3.63	0.08	0.83
Total solids	10.00	9.40	9.50	0.20	0.47
IgA (mg/mL)	1.91	2.14	2.18	0.05	0.06

¹LZM 150 = control diet + lysozyme 150 g/t, LZM 300 = control diet + lysozyme 300 g/t, IgA = immunoglobulin A. Data are means of 8 sows.

^a,bWithin a row, means with different superscripts are different (P < 0.05).”