Impact of grazing around industrial areas on milk heavy metals contamination and reproductive ovarian hormones of she-camel with assessment of some technological processes on reduction of toxic residue concentrations

Table 2 Comparing concentrations of Cu and Al in raw camel milk samples with the MRL set by WHO (2007)

Heavy metals	MRL (ppm)	Number of examined samples	Samples exceeded MRL
			Group A (n=15)		Group B (n=15)
			No.	%	No.	%
Copper	0.1	30	0	0	9	60
Aluminum	0.05	30	0	0	15	100

ISSN: 1746-6148