نتایج جستجو برای: fish weight

تعداد نتایج: 447768  

Tench an economically important species in Anzali Lagoon has experienced a sharp catch decline in recent years. The present study aims at examining certain biological traits of the fish in Anzali lagoon. A sample of 96 pieces of such fish were netted out through gillnet fishing during Jan 2006-July 2007.  The findings showed incongruity in 11 out of 36 morphometric traits followed by 1 out of 1...

Journal: :شیلات 0
محمود عظیمی راد دانشجوی دکترای تکثیر و پرورش آبزیان، دانشکده منابع طبیعی، دانشگاه ارومیه، ارومیه، ایران سعید مشکینی دانشیار گروه بهداشت مواد غذایی، دانشکده دامپزشکی، دانشکده منابع طبیعی، دانشگاه ارومیه، ارومیه، ایران نصرالله احمدی فرد استادیار گروه شیلات و آبزیان، دانشکده منابع طبیعی، دانشگاه ارومیه، ارومیه، ایران سید حسین حسینی فر استادیار گروه تکثیر و پرورش آبزیان، دانشکده شیلات و محیط زیست، دانشگاه علوم کشاورزی و منابع طبیعی گرگان،گرگان، ایران

during the recent years, there has been an increasing interest toward dietary administration of synbiotic to improve growth, immunity and physiology of fish. the aim of this study was to evaluate the effects of feeding on synbiotic (pediococcus acidilactici and fructooligosaccharide) enriched adult artemia franciscana on growth indices, intestinal microbiota and stress resistance of angel fish ...

ژورنال: توسعه آبزی پروری 2022
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Thyroid hormones [triiodothyronine (T3) and thyroxine (T4)] are also known to play an important function in other biological processes such as growth, sexual development and metabolism in different fish species. Therefore, the objective of this study was to examine the effects of T4 injection on growth performance and hematological indices in sterlet sturgeon (Acipenser ruthenus) broodstock. Th...

Abdul Razak Alimon, Che Roos Bin Saad, Mohd Salleh Kamarudin, M. Nafisi Bahabadi, S. Dadgar,

  Apparent digestibility coefficients (ADC) were calculated by using chromic oxide in the diet as an indigestible marker to evaluate the Iranian Cottonseed meal (CSMP) . Then, the nutritional value of cottonseed meal ( ‍ CSM) as soybean meal (SBM) substitute in quality low cost rainbow trout (Oncorhynchus mykiss) ration was investigated. In this study, six formulated feeds consisting different ...

B. Mokhayer H. Emadi, M. Faal,

Rainbow trout is the most important species of cold water fishes in Iran and the feeding diets which improve the quality and growth of this fish are of great importance. Rainbow trout Oncorhynchus mykiss (n=360) specimens with approximate weight of 2±0.02g were fed with different concentrations of sesame seed in their diet instead of fish meal for 120 days. Feeding diets were prepared in 3 sesa...

B. Mokhayer, H. Emadi, M. Faal,

Rainbow trout is the most important species of cold water fishes in Iran and the feeding diets which improve the quality and growth of this fish are of great importance. Rainbow trout Oncorhynchus mykiss (n=360) specimens with approximate weight of 2±0.02g were fed with different concentrations of sesame seed in their diet instead of fish meal for 120 days. Feeding diets were prepared in 3 sesa...

ژورنال: توسعه آبزی پروری 2022

Proper storage density affects the growth and rearing of fish. This experiment was carried out to investigate the effects of rearing densities on the growth and carcass composition of Caspian kutum (Rutilus frisii) fry and physicochemical factors of farming water. Fish were examined in five rearing densities (5, 10, 15, 20, and 25 fish/60 L of water) with three replications, and fed based on 8%...

Journal: :iranian journal of aquatic animal health 0
h gholipourkanani f jamali h jafaryan e gholamalipour alamdari

this study was conducted to evaluate the effects of different proportions of lemon bee brush essential oil on growth performance, carcass composition, and hematology and biochemical parameters of common carp (cyprinus carpio). common carp with an average weight of 8 ± 0.2 g were fed for one month with a diet supplemented with lemon beebrush essential oil (0.15 and 0.3 ml) and with normal diet a...

Journal: :iranian journal of applied animal science 2015
m. nosrati b. navidshad m. malecky

an experiment was conducted on broiler chickens to study the effects of conjugated linoleic acid (cla), fish oil, both at 7% of the diet, or their mixtures at 3.5% of the diet, on the performance, carcass traits and intestinal morphology of broiler chickens. the chicks fed with 7% fish oil or 7% cla diets, were found to have an inferior weight gain in grower and finisher phases, respectively. a...

Journal: :شیلات 0
سیده مرضیه حسینی خواه کارشناس ارشد مهندسی منابع طبیعی- شیلات دانشگاه تهران، ایران، باقر مجازی امیری استاد گروه شیلات دانشکدة منابع طبیعی دانشگاه تهران، ایران، غلامرضا رفیعی استاد گروه شیلات دانشکدة منابع طبیعی دانشگاه تهران، ایران، مهرداد فرهنگی دانشیار گروه شیلات دانشکدة منابع طبیعی دانشگاه تهران، ایران سید مهیا موسوی کارشناس ارشد مهندسی منابع طبیعی- شیلات دانشگاه تهران، ایران

to study the effect of dietary animal and plant lipids on gonadal differents and sex steroid hormones levels of blood in rainbow trout (oncorhynchus mykiss), the four diets was formulated based on 15% fat. the control uses 100% oil, fish oil was treated in the first, second and third respectively 25% and 75% fish oil, soybean oil, canola and cotton were used. after six weeks of feeding fish wit...

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