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The current study was conducted on the animal production college of agriculture and forestry-University of Duhok, in order to investigate the effect of ration supplementation with vitamin C, red pepper (RP) and oak leaves (OL) on some physiological, reproductive and productive parameters of quail. Four hundred eighty quail birds (7 days) were divided into four groups with three replicates / group (40 birds/replicate, the groups were treated from the age of 7 days till the age of 49 days as follows: T1 (control): Reread on standard ration, T2: Reread on standard ration supplemented with vitamin C(300mg /kg ration). T3: Reread on standard ration supplemented with red pepper crush (5g/kg ration). T4: Reread on standard ration supplemented with oak leaves crush (10g/kg ration).The results of the current study revealed the following: Significant increase in live body weight (LBW) and body weight gain (BWG) of treatment as compared with control, significant decrease in feed consumption (FC) in vit. C group as compared with control, a significant improvement feed conversion ratio (FCR) in OL group as compared with control and in RP and vit. C groups as compared with OL group, a significant decrease in carcass weight of RP group as compared with control and OL groups and in heart relative weight as compared with vit. C group. Significant increase in mean egg weight, hen day (HD) % and egg mass/hen in OL group as compared with control and in as compared with other treatments. Significant increase in serum total protein (TP) and globulin in OL group as compared with vit. C group and a significant decrease in serum albumin in RP group as compared with control of male quail and a significant decrease in serum TP, globulin, albumin and TG in all groups as compared with control of female quail, a significant decrease in Cholesterol in OL group compared with control and in glucose as compared with RP and vit. C groups. Significant improvement in Lymphocyt (L)%, Heterophil (H)% and stress index in OL group of female quail and in L% and in H% in vit. C group of male quail significant improvement in yolk index in OL group and in shell membrane thickness in control group.

The current work aimed to study the normal values of some hematological and biochemical criteria of local quail and the effect of the breed, sex, and age on them. Two hundred quail (100 birds belong to each of white and light brown feathers local breeds), they were randomly distributed at 1st-day-age into 5 replicates, 20 birds/ replicate for each breed, and the study continued till the age 84 days. The results of the current study had revealed that the breed and the age, each alone did not significantly affect the physiological and biochemical parameters in this study, whereas the sex factor affects significantly most of the study parameters. The males were highly significant as compared to the females in the following parameter values: red blood cells count, hemoglobin concentration, packed cell volume, mean corpuscular hemoglobin concentration, monocytes, basophils, glucose, cholesterol, uric acid concentrations and aspartate aminotransferase activity. While the females were significantly higher to the males in mean corpuscular volume, lymphocytes, triglycerides, total protein, globulin, and alanine aminotransferase activity. In conclusion, the sex of the bird alone and its interaction with breed and age had the greatest impact on the hematological traits.

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This study was conducted on 32 of local Awassi ewes, average body weight 36.06±0.74 kg (aged 2-3 years, ewes were divided into two treatments. The first treatment (T1) the control contained 8 ewes fed on ration consist of barley, wheat bran, urea and wheat straw without supplement and the second (T2) was contained 24 ewes and fed on the same ration of control supplemented with protected amino acids (methionine 2.5 g and lysine 2.5 g) per ewe daily, the ewes were fed with restricted quantity 1 kg / ewe divided twice daily through the flushing and mating period which lasted 60 days, also all ewes was grazed for 6hr daily. Results was referred that protected amino acid supplement in T2 led to a significant (p<0.01) improvement in conception percentage 91.6%, prolificacy percentage 87.5% and lambing percentage 100% compared to T1 62.5%, 62.5% and 75% respectively, where is the differences was not significant in other traits. Blood parameters was showed significant (p<0.05) increase in glucose 67.91±2.06 mg/dl as compared to T1 59.25±1.72mg/dL, triglyceride was decreased significantly (p<0.05) in T2 42.66±0.96 mg/dl compared to T1 47.37±1.38 mg/dl. Concentration of AST enzyme was decreased (p<0.