Abstract:
This study was conducted on Rashidia station farm, Department of Agri. Res.
in Mosul, on twelve sharabi local calves in 10 ± 2 weeks of age and average
body weight (47.67±3.13 kg.) were used, calves were divided into three groups
and fed ad libitum on three Iso-nitrogenous and Iso-caloric rations but different
in nitrogen sources(Soybean meal,Nigellia sativa meal and Urea) in calf starter
rations, in addition to feeding milk until weaning weigh at 100 kg. Blood
samples were collected from jugular vein from all calves that reach weaning
weight. The results was indicated that no significant effect of nitrogen sources
on calves weight, daily weight gain ,feed consumption, bloods count of red and
white cell, hemoglobin ,packed cell volume, platelets counts ,total protein,
globulin, albumin, glycerol ,triglyceride, urea and glucose)parameters. It was
concluded that nigellia sativa meal and urea can used and replaced soybean
meal in starter rations for sharabi local calves.