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Poultry Science Journal، جلد ۱۳، شماره ۲، صفحات ۲۰۳-۲۱۱
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چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله food additiveو teratogenicityو Gallus gallusو developmental deformity 15th day of chicken embryo،
عنوان انگلیسی Evaluation of the Effects of Spirulina platensis Extract on Productive Performance, Egg Quality and Serum Composition in Laying Japanese Quails Under Dexamethasone-induced Stress
چکیده انگلیسی مقاله In a 3×2 factorial arrangement, the effects of dietary Spirulina platensis extract (0, 0.4 and 0.6 g/kg of diet) and dexamethasone (0 and 1 g/kg of diet) and their interactions were investigated on production performance, egg quality and hematological parameters in Japanese quails. A total of 150 laying Japanese quails, aged 8 wk, were divided into six treatments, five replicates with five birds each. Dietary dexamethasone supplementation decreased egg production, feed intake, egg weight and egg mass (p < 0.05). Moreover, the birds fed with dietary dexamethasone demonstrated a greater feed conversion ratio (FCR) compared to quails-fed diets without dexamethasone (p < 0.05). Dexamethasone treatment significantly also reduced shell thickness and yolk color in layer quail hens (p < 0.05). Supplemental Spirulina platensis extract significantly increased egg production, feed intake and egg mass (p < 0.05). Adding Spirulina platensis extract to the diet of laying Japanese quails improved the FCR compared to quails-fed diets without Spirulina platensis extract (p < 0.05). Spirulina platensis (0.4 g/kg of diet) added diets reduced serum triglyceride of the quails (p < 0.05). Eggshell thickness in quails fed on diets supplemented with Spirulina platensis extract was significantly greater compared to quails fed diets without Spirulina platensis extract (p < 0.05). The yolk color index in birds maintained on the diets supplemented with Spirulina platensis extract (0.4 and 0.6 g/kg of diet) was significantly greater than the birds fed diets without Spirulina platensis extract (p < 0.05). Based on the findings of the present research, the addition of dexamethasone (1 g/kg) to the diet of laying quails induced stress and also dietary supplementation of Spirulina platensis extract at 0.4 and 0.6 g/kg of diet improved egg production, egg mass, FCR, eggshell thickness and yolk color index.
کلیدواژه‌های انگلیسی مقاله Egg,Microalgae,Quail,Stress
نویسندگان مقاله Simin Bahrami |


Bahman Parizadian Kavan |
Department of animal science, faculty of agriculture, Lorestan University, Khorramabad, Iran

Heshmatollah Khosravinia |
Department of Animal Science, Faculty of Agriculture, Lorestan University, Khorramabad, Iran

Babak Masouri |
Department of Animal Science, Faculty of Agriculture, Lorestan University, Khorramabad, Iran

Mohsen Mohamadi Saei |
Lorestan Agricultural and Natural Resources Research and Education Center, Khorramabad, Iran

نشانی اینترنتی https://psj.gau.ac.ir/article_7157_7859f046111a7b0e3f5ed6faa26b449f.pdf
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