Table 6 Lysozyme - content and its enzymatic activity in Duck egg albumen of selected breeds in two seasons of use.

Item	Season	K-2	P-9	LsA	P value
Item	Season	K-2	P-9	LsA	Effect of origin	Effect of season	Effect of interaction
Thick albumen
Lysozyme content (%)	1	0.12	0.11	0.11	< 0.001	0.001	0.001
Lysozyme content (%)	2	0.16^A*	0.12^B*	0.12^B*	< 0.001	0.001	0.001
Lysozyme activity (U/ml)	1	25,352^A	24,426^B	22,021^C	< 0.001	< 0.001	0.001
Lysozyme activity (U/ml)	2	32,944^A*	25,173^B*	22,049^C*	< 0.001	< 0.001	0.001
Thin albumen
Lysozyme content (%)	1	0.18^A	0.16^B	0.16^B	< 0.001	0.003	< 0.001
Lysozyme content (%)	2	0.19^a*	0.18^b*	0.17^c*	< 0.001	0.003	< 0.001
Lysozyme activity (U/ml)	1	39,090^A	34,573^B	33,959^B	< 0.001	< 0.001	< 0.001
Lysozyme activity (U/ml)	2	40,987^A*	38,655^A*	35,485^B*	< 0.001	< 0.001	< 0.001

A, B… - values in rows with different letters differ significantly (P ≤ 0.01); a, b…- P ≤ 0.05.
* - values in the same column with different superscripts differ significantly P < 0.05.
O – origin.
S - season.

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