The study was carried out in the poultry field of the Animal Production Department of the Faculty of Agriculture at Tikrit University. The current study aimed to estimate the effects of adding different percentages of octacosanol, wheat germ oil and rice oil to the ration on egg quality traits. 96 laying quail (age 45 days), were used and divided into six treatments were included: adding the octacosanol/kg feedstuff (T1 without adding, T2=15 mg, T3=20 mg, T4=25 mg), (T5) was adding 5 ml of wheat germ oil/kg feedstuff and (T6) wasadding 5 ml of rice oil/kg feedstuff, which each treatment included four replicates. It used three female quails for each one male, during 90 days at the age of 16 weeks. The results showed the following: no significant effect (P<0.05) of dietary octacosanol, wheat germ oil and rice oil supplementation which was recorded on relative weights of shell, yolk and albumen, and shell thickness also yolk color, egg shape index, albumen index, yolk index, egg quality of laying quail. However, there was a significant increase (P<0.05) in hough unit for the two treatments that it included octacosanol powder (20 and 25 mg) compared to the control treatment, However, there was no significant difference between the addition treatments.

This research was conducted to study the effect of adding different percentages of octacosanol (OC), wheat germ oil (WGO), and rice oil (RO) to the ration as an indicator of fertility and hatching of quail birds. Two hundred and eighty-eight quails were used in this study, aged 45 days, and distributed into 24 cages, each cage contained 12 birds (9 females/3 males) for three months. Quail birds were fed production ration. Treatments were added according to the following six treatments: (T1) as a control treatment without any addition, (T2) adding 15 mg octacosanol/kg feedstuff, (T3) adding 20 mg octacosanol/kg feedstuff, (T4) adding 25 mg octacosanol/kg feedstuff, (T5) adding 5 ml of wheat germ oil/kg feedstuff, (T6) adding 5 ml of rice oil/kg feedstuff. After the flock production exceeded 50% and the production of the herd stabilized, 300 eggs were randomly taken from all treatments (50 eggs/treatment) and inserted into an incubator for hatching. Age at sexual maturity, production of 25 and 50%, fertility rate, hatching ratio, The relative weight of the ovaries, egg ducts, and yolk weight were measured in this study. Results found a significant increase (P≤0.05) in the fertility rate for all treatments, but not T3, compared to the control group. Also, the hatchability rate of two ratios of hatching (total eggs and hatching from fertilized eggs) showed a significant increase in T4 compared to other treatments groups. In addition, results showed a significant increase in the relative weight of the second and third yolks for T4 compared to the control group. However, no significant differences showed between all of the experimental treatments in age at sexual maturity and production of 25 and 50% for quail eggs, ovarian weight, oviduct weights, and the relative weight of the first yolk.

This study was conducted in the poultry field of the Department of Animal Production at the University of Tikrit, Faculty of Agriculture, and the aim of this study was to know the effect of using rice bran at a rate of (0, 15, 20%) with and without adding a mixture of enzymes containing amylase, protease and cellulose by 0.5 g/kg in turkey rations for a period of 10 weeks, 120 unsexed Bronze turkeys were used. The birds were distributed into six treatments, each treatment included four replicates (cage) five birds. The results showed a significant superiority (P ≤ 0.05). For the second treatment (0 % rice bran + 0.5 g/kg mixture of enzymes) in live body weight, weight gain, feed conversion efficiency, while it was significantly (P ≤ 0.05) superior to the sixth treatment (20% rice bran + 0.5 g/kg mixture of enzymes) In feed consumption compared to the third treatment, and there were no deaths in any of the study treatments throughout the experiment period.

"This study was conducted in the poultry field of the Department of Animal Production of the College of Agriculture at the University of Tikrit to study the effect of adding different percentages of octacosanol, wheat germ oil and rice oil to the diet on the biochemical characteristics of quail at the end of the beginning egg production stage of egg production exceeding 50% at the age of 45 days and continued For three production periods (90 days) at the age of 135 days, 360 birds of the age of one day were used, and they were distributed randomly into six experimental treatments, by 60 chicks for one treatment that included four replications (15 chicks / replicate), and the fodder was provided to the birds distributed in 6 transactions as follows: The first treatment T1 represented a control treatment without any addition, the second treatment T2 plus 15 mg octacosanol/kg feed, the third treatment T3 plus 20 mg octacosanol/kg feed, the fourth treatment T4 plus 25 mg octacosanol/kg feed, the fifth treatment T5 To which 5 ml of wheat germ oil/kg of feed was added, and the sixth treatment T6 was added to 5 ml of rice oil/kg of feed. The level of total protein, albumin, globulin, triglycerides, cholesterol, and acid was measured. Uric, glucose, AST and ALT enzymes. The results showed a significant superiority (P≤0.05) for the third, fourth and sixth treatments in the level of total protein for males, and the third treatment recorded a significant superiority in the level of albumin, and for globulin, all experiment treatments outperformed the second and control treatments, while for females, all experiment treatments outperformed the treatment. Control in the concentration of total protein and globulin, on the other hand, triglycerides, cholesterol, uric acid and glucose were significantly decreased in all treatments of the experiment and for both sexes compared to the control treatment.