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    Effect of safflower oil supplementation in quail (Coturnix coturnix japonica) diets on growth performance, blood antioxidant status, caecal short-chain fatty acid content, and biomechanical properties of bones
    (South African Journal Of Animal Sciences, 2024) Kaplan, O.; Durna, O.; Yildiz, G.; Merhan, O.; Onk, K.; Ayasan, T.; Elibol, K. E.
    The aim of this study was to investigate the effect of safflower oil supplementation in quail diets on tibia-femur biomechanical properties. A total of 180 one-day-old quail chicks were randomly divided into three groups, each containing 60 chicks. Each group was randomly divided into six subgroups, each containing 10 chicks. All chicks were fed a diet based on corn and soybean meal. The control group was fed the basal ration and experimental groups were fed the basal ration plus 0.5% and 2% safflower oil. The use of safflower oil in quails did not affect the growth performance parameters. Malondialdehyde, glutathione, superoxide dismutase, glutathione peroxidase, and catalase exhibited a linear response to the addition of safflower. Ceruloplasmin, albumin, total protein, and globulin were not affected by the addition of safflower oil. Acetic acid and SCFA were linearly associated with safflower oil content. There were no statistical differences in propionic, butyric, isobutyric, valeric, isovaleric, isocaproic, and caproic acids and BCFA in quails fed different percentages of safflower oil. Feeding a diet containing safflower content in quails.
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    Feeding Japanese quail diets supplemented with probiotics and enzymes
    (South African Journal Of Animal Sciences, 2022) Aydin, O. Durna; Yildiz, G.; Merhan, O.; Ulufer, S.; Onk, K.; Baran, M. S.; Kaplan, O.
    This study assessed the effects of dietary supplementation with probiotics and enzymes on performance, blood antioxidant capacity, and cecal short-chain fatty acid concentration. Two hundred one -day-old quail chicks were randomly divided into four groups, each containing 50 chicks. All the chicks were fed with a basal diet for 35 days. The control group was fed the basal diet, and the experimental groups were fed the basal diet augmented with a commercial probiotic and enzyme supplement at 0.5 g/kg, 1 g/kg and 2 g/kg. At the end of experiment, initial live weight, final live weight, live weight gain and feed intake were affected significantly by the addition of the supplement. However, the supplement did not influence the feed conversion ratio. Increasing the levels of the probiotic and enzyme supplement Diazyme 256 in the diets caused linear and quadratic responses in malondialdehyde, glutathione, superoxide dismutase, and glutathione peroxidase level. Catalase showed a linear increase with the rise in level of the supplement. However, ceruloplasmin, albumin, total protein and globulin were not affected. Significant linear responses were observed in propionic acid, butyric acid and isocaproic acid with the increasing levels of the supplement. There were no significant differences in acetic acid, isobutyric acid, valeric acid, isovaleric acid, caproic acid, branched chain fatty acids, and short chain fatty acid concentrations for quails fed various levels of the supplement. In conclusion, the supplement Diazyme 256 containing probiotics and enzymes could be used in quail diets to improve growth performance, antioxidant capacity and intestinal health.