Table 4.

Main model of the GLM repeated measurement analysis for factors affecting evolution of sperm quality variables over time using frozen/thawed bull semen (n = 14).

Subject Effects	Factor	IM	IA	IAIM	DAIM	IADM	DADM
Within	Time	0.0240	<0.0001	<0.0001	<0.0001	0.3340	0.0100
	Time × method	<0.0001	<0.0001	0.3780	<0.0001	<0.0001	0.2050
Between	Method	<0.0001	<0.0001	0.486	<0.0001	<0.0001	<0.0001

IM: spermatozoa with an intact plasma membrane; IA: spermatozoa with an intact acrosome; IAIM: spermatozoa with an intact acrosome and plasma membrane; DAIM: spermatozoa with a damaged acrosome and an intact plasma membrane; IADM: spermatozoa with an intact acrosome and a damaged plasma membrane; DADM: spermatozoa with a damaged acrosome and plasma membrane.