effects of different levels of meal and alcoholic extract of alfalfa (medicago sativa) on growth performance, nutrition, carcass biochemical and some serum biochemical parameters in common carp (cyprinus carpio)

نویسندگان

زهرا فلامرزی1

1. دانشجوی کارشناسی ارشد رشته تکثیر و پرورش آبزیان، گروه شیلات، دانشکده منابع طبیعی دریا، دانشگاه علوم و فنون دریایی خرمشهر، خرمشهر، ایران سیدمحمد موسوی2

2. دانشیار، گروه شیلات، دانشکده منابع طبیعی دریا، دانشگاه علوم و فنون دریایی خرمشهر، خرمشهر، ایران محمد ذاکری3

3. استادیار، گروه شیلات، دانشکده منابع طبیعی دریا، دانشگاه علوم و فنون دریایی خرمشهر، خرمشهر، ایران نسیم زنگویی3

3. استادیار، گروه شیلات، دانشکده منابع طبیعی دریا، دانشگاه علوم و فنون دریایی خرمشهر، خرمشهر، ایران

چکیده

this research was conducted to evaluate alteration of growth performance, nutrition, carcass and some serum biochemical parameters of common carp fed the diets supplemented by different levels of meal and alcoholic extract of alfalfa (medicago sativa). in this research, 300 fish (mean weight: 20.4 ± 0.19 g and mean length: 11.78 ± 0.64 cm) were fed by nine nutritional diets for 8 weeks. nutritional treatments were four treatment groups which had increasing levels of alfalfa meal (3, 6, 9 and 12 percent), four treatment groups with increasing levels of alfalfa extract (1, 2, 3 and 4 percent) and one control group (without any meal or extract). based on the results, adding 9 percent of alfalfa meal and 4 percent alcoholic extract to the diets of examined fish, increased significantly weight gain (wg), body weight gain percent (bwg%), daily  growth  ratio (dgr), specific  growth  ratio  (sgr), condition factor (cf), hepato somatic index (his), and viscero somatic index (vsi), feed efficiency ratio (fer), protein efficiency ratio (per), carcass protein and lipid and blood serum levels of total protein (tp), globulin (glub), glucose (gluc) and phosphorus (phos) in comparison with the control group (p

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شیلات

جلد ۶۹، شماره ۲، صفحات ۲۳۵-۲۵۱

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