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In a preliminary study, sera samples were collected from forty adult, apparently healthy
Nubian goats (20 kept indoors and 20 roaming outdoors) in Atbara area, River Nile State in May,
2009. The sera were analyzed to compare the serum concentration value of lead (Pb) between the
two groups using Atomic Absorption Spectrophotometer (AAS) (model A Analyst 700, Perkin-
Elmer Cooperation, USA). The procedure carried out according to the manufacturer’s
instructions (Elmer, 1982). Data were subjected to statistical analysis using SPSS version 13 and
were expressed as mean ± S.D. The results showed a significant (P< 0.05) increase in serum Pb
concentration value in goats roaming outdoors (0.123 ± 0.001) compared to that (0.015 ± 0.005)
in goats kept indoors.
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