Table 7
Minerals availability vis-à-vis requirement for dairy cow yielding 10 kg milk/day (4% fat)

Attributes	DMI(kg/d)	Ca(g)	P(g)	Mg(g)	S(g)	Cu(mg)	Zn(mg)	Co(mg)
Mineral requirement	11.50	48.10	30.80	23	23	115	920	5.75
Mineral availability
Wheat bran (Triticum aestivum)	2.5	7.0	2.25	2.75	2.0	6.70	25.53	0.45
Rice straw (Oryza sativa)	4.0	12.8	3.20	4.64	4.4	11.96	107.12	1.44
Gram flour (Cicer arietinum)	1.0	1.20	3.70	1.50	1.90	7.68	35.60	0.29
Local grasses	2.0	12.80	7.20	5.60	3.60	21.74	87.01	0.72
Mustard cake (Brassica campestris)	1.0	6.25	10.0	2.60	9.25	7.56	48.89	0.39
Gram chunni (Cicer arietinum)	1.0	4.40	2.80	2.40	1.20	7.81	33.48	0.27
Daily mineral availability from traditional feeding	11.50	44.45	29.15	19.5	22.35	63.45	337.63	3.56
Degree of deficiency (%)		7.58	5.35	3.50	2.60	44.82	63.30	38.08