Effect of different rearing systems on the growth and survival of Gold fish (Carassius auratus)
نویسندگان
چکیده
منابع مشابه
The effects of dietary astaxanthin on the physiological, growth and survival of gold fish larvae (Carassius auratus)
The present research which aimed at identifying the effects of astaxanthin pigment in upgrading efficiency in producing goldfish larvae through 4 treatments and 3 replications was conducted in the winter of 2014. For this reason, a sum of 12,4m3fiber glass fish ponds were prepared where in each, 50 female goldfish breeders were introduced with an average body weight of 47.21±2.19g. Then, 4 diet...
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15 صفحه اولEffect of Light and Music on Growth Performance and Survival Rate of Goldfish (Carassius auratus)
Environmental enrichment is one of the methods for improving fish growth performance. In the present trial, the effects of both light color and music on growth performance and survival of goldfish (Carassius auratus) (initial mean weight: 4.15±0.08 g) were investigated for 2 months. Two light color treatments (red light and white light) and three music treatments (M0: without music, M30:30 min...
متن کاملEffect of Light and Music on Growth Performance and Survival Rate of Goldfish (Carassius auratus)
Environmental enrichment is one of the methods for improving fish growth performance. In the present trial, the effects of both light color and music on growth performance and survival of goldfish (Carassius auratus) (initial mean weight: 4.15±0.08 g) were investigated for 2 months. Two light color treatments (red light and white light) and three music treatments (M0: without music, M30:30 min...
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بر اساس فرضیه شناخت رابینسون (2001 و 2003 و 2005) و مدل ظرفیت توجه محدود اسکهان (1998)، این تحقیق تاثیر پیچیدگی تکلیف را بر پیچیدگی واژگان و صحت گرامری نوشتار مباحثه ای 60 نفر از دانشجویان زبان انگلیسی بررسی کرد. میزان پیچیدگی تکلیف از طریق فاکتورهای پراکندگی-منابع تعیین شد. همه ی شرکت کنندگان به صورت نیمه تصادفی به یکی از سه گروه: (1) گروه موضوع، (2) گروه موضوع + اندیشه و (3) گروه موضوع + اندی...
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ژورنال
عنوان ژورنال: Research in Agriculture Livestock and Fisheries
سال: 2015
ISSN: 2409-9325,2409-0603
DOI: 10.3329/ralf.v2i2.25014