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    Performance, egg quality and serum parameters of Japanese quails fed diet supplemented with Spirulina platensis
    (Parlar Scientific Publications, 2016) Dogan, Sibel Canogullari; Baylan, Mikail; Erdogan, Zeynep; Akpinar, Gulsen Copur; Kucukgul, Altug; Duzguner, Vesile
    This experiment was conducted to evaluate the influence of Spirulina platensis on growth performance, egg quality and some serum parameters of laying Japanese quails. For this experiment, 100 ten weeks-old, female Japanese quails (Coturnix coturnix Japonica) with similar body weight were caged individually and were randomly divided into four groups of 25 quails each. Quails were fed diets supplemented with 0 (control), 0.5, 1.0 and 2.0% Spirulina platensis for 8 weeks. Spirulina platensis addition did not affect feed conversion ratio, feed intake, egg production, egg weight, shape index, eggshell thickness and haugh unit, significantly (P>0.05). However, there were significant differences (P<0.05) in final body weight, yolk index, albumen index and eggshell weight of experimental groups. There were significant differences (P<0.05) between groups in low density lipoprotein (LDL cholesterol) and high density lipoprotein (HDL cholesterol) concentrations. The LDL cholesterol concentration decreased while HDL cholesterol concentration increased with the increased supplementation of Spirulina platensis. Spirulina platensis supplementation also decreased plasma total cholesterol and trigyliceride levels between groups numerically but not statistically (P>0.05). The mean egg yolk cholesterol levels dropped by 19.65 and 18.93% in the 1.0 or 2.0% Spirulina platensis supplemented groups compared with control group. In conclusion, Spirulina algae can be used safely in laying quails diets with important effects on serum parameters and egg yolk cholesterol. © 2016 PSP.
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    PERFORMANCE, EGG QUALITY AND SERUM PARAMETERS OF JAPANESE QUAILS FED DIET SUPPLEMENTED WITH SPIRULINA PLATENSIS
    (Parlar Scientific Publications (P S P), 2016) Dogan, Sibel Canogullari; Baylan, Mikail; Erdogan, Zeynep; Akpinar, Gulsen Copur; Kucukgul, Altug; Duzguner, Vesile
    This experiment was conducted to evaluate the influence of Spirulina platensis on growth performance, egg quality and some serum parameters of laying Japanese quails. For this experiment, 100 ten weeks-old, female Japanese quails (Coturnix coturnix Japonica) with similar body weight were caged individually and were randomly divided into four groups of 25 quails each. Quails were fed diets supplemented with 0 (control), 0.5, 1.0 and 2.0% Spirulina platensis for 8 weeks. Spirulina platensis addition did not affect feed conversion ratio, feed intake, egg production, egg weight, shape index, eggshell thickness and haugh unit, significantly (P>0.05). However, there were significant differences (P<0.05) in final body weight, yolk index, albumen index and eggshell weight of experimental groups. There were significant differences (P<0.05) between groups in low density lipoprotein (LDL cholesterol) and high density lipoprotein (HDL cholesterol) concentrations. The LDL cholesterol concentration decreased while HDL cholesterol concentration increased with the increased supplementation of Spirulina platensis. Spirulina platensis supplementation also decreased plasma total cholesterol and trigyliceride levels between groups numerically but not statistically (P>0.05). The mean egg yolk cholesterol levels dropped by 19.65 and 18.93% in the 1.0 or 2.0% Spirulina platensis supplemented groups compared with control group. In conclusion, Spirulina algae can be used safely in laying quails diets with important effects on serum parameters and egg yolk cholesterol.
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    The Effects of Licorice Root Powder (Glycyrrhriza glabra) on Performance, Serum Parameters, Egg Yolk Cholesterol and Antioxidant Capacity of Laying Japanese Quail
    (2018) Doğan, Sibel Canoğulları; Erdogan, Zeynep; Şekeroğlu, Ahmet; Baylan, Mikail; Küçükgül, Altuğ
    This study was conducted with the objectives to determine the effects of licorice rootpowder (Glycyrrhriza glabra) on performance, serum parameters, egg yolk cholesteroland antioxidant capacity in laying Japanese quail. Two hundred and forty 10-wk-oldJapanese quails were randomly assigned to four dietary groups, each one four timesreplicated with fifteen quails per dietary groups. Control group fed the basal diet; othergroups were fed basal diet supplemented with 0, 0.5, 1.0 and 1.5% licorice root powder.There were no significant differences in terms of final live weight, feed intake, feedconversion ratio, egg weight, serum cholesterol, triglyceride and High-DensityLipoprotein (HDL) concentration between treatment groups. Egg production was higherin control group and 0.5% licorice root powder supplemented groups. 1.0% licorice rootpowder supplemented group had lower egg production rate. Licorice root powdersupplementation decreased Low Density Lipoprotein (LDL) concentration and increasedglucose concentration significantly. Licorice root powder supplementation increased totalantioxidant status (TAS) and reduced total oxidant status (TOS) and oxidative stressindex (OSI). It was concluded from this study that supplementation of licorice rootpowder at the level of 0.5, 1.0 and 1.5% to the feed of laying quails had no adverseeffects on performance. Licorice root powder supplementation can be used to reducecholesterol level and increase antioxidant status in quails.