Table 2.

Vertical profile of the potential bite mass (BM) assuming grazing stratum thickness (GST) was (A) 50 %, or (B) 30 % of the sward canopy height (grazing was limited to 0·03 m)

	S1		S2		S3		S4
Grazing horizon	BM (10−3 kg)	GST (m)	BM (10−3 kg)	GST (m)	BM (10−3 kg)	GST (m)	BM (10−3 kg)	GST (m)
(A) Depth of grazing strata = 50 % HS
H1	1·28	0·110	2·37	0·130	1·24	0·060	1·67	0·060
H2	1·51	0·055	1·81	0·065	0·35	0·030	0·87	0·030
H3			0·88	0·032
(B) Depth of grazing strata = 30 % HS
H1	0·48	0·066	1·58	0·078	0·85	0·036	0·89	0·036
H2	0·86	0·046	0·83	0·055	0·40	0·025	0·81	0·025
H3	0·78	0·032	0·92	0·038	0·26	0·018	0·57	0·018
H4	0·74	0·023	0·97	0·027
H5	0·45	0·016	0·55	0·019
H6			0·24	0·013