Table 2.

Total grassland areas and grass conservation areas cow^− 1 unit for the intensive and extensive grassland management systems

	Grassland management system
	Intensive		Extensive
	Ha	% of total area	Ha	% of total area
Grassland use cow− 1unit (ha)
Producing steers at 24 months and heifers at 20 months of age
Total grazing + silage area	0.71		0.88
First harvest silage: Early	0.41a	58	0.27a	31
: Late	–	–	0.27b	31
Second harvest silage	0.27c	38	–	–
Overall % harvested		96		62
Producing bulls at 15 months and heifers at 20 months of age
Total grazing + silage area	0.56		0.69
First harvest silage: Early	0.34a	61	0.24a	35
: Late	–	–	0.22b	32
Second harvest silage	0.20c	36	–	–
Overall % harvested		97		67

^aNovember to late May (remainder grazed early April to November).

^bNovember to mid-June (remainder grazed early April to November).

^cLate May to mid-August (remainder grazed). All land grazed after second harvest silage.