نتایج جستجو برای: food conversion ratiothe final production of vannamei

تعداد نتایج: 21267046  

2011
Jorge Olmos Leonel Ochoa Jesus Paniagua-Michel Rosalia Contreras

Functional feed supplemented with alternative-economic nutrient sources (protein, carbohydrates, lipids) and probiotics are being considered in shrimp/fish aquaculture production systems as an option to increase yield and profits and to reduce water pollution. In this study the probiotic potential to formulate functional feeds have been evaluated using four dietary treatments: Treatment 1 (B + ...

پایان نامه :0 1374

the following null hypothesis was proposed: h : there is no significant difference between the use of semantically or communicatively translates scientific texts. to test the null hypothesis, a number of procedures were taken first, two passages were selected form soyrcebooks of food and nutrition industry and gardening deciplines. each, in turn, was following by a number of comprehension quest...

Journal: :شیلات 0
حسن ساربان گروه شیلات، دانشکده کشاورزی و منابع طبیعی، دانشگاه هرمزگان، بندرعباس احسان بزرگی مجتمع کشت و صنعت خلیج نای بند، بندرمقام احسان کامرانی گروه بیولوژی دریا و آبزیان، دانشکده کشاورزی و منابع طبیعی، دانشگاه هرمزگان، بندرعباس میر مسعود سجادی گروه بیولوژی دریا و آبزیان، دانشکده کشاورزی و منابع طبیعی، دانشگاه هرمزگان، بندرعباس سعید مسندانی اداره کل شیلات استان هرمزگان

this study was conducted to evaluate the possibility of white leg shrimp (litopenaeus vannamei) culture twice a year in nayband agro-industry complex in 2010. three earth ponds (0.8 ha) were selected in the farm which had similar conditions in terms of culture system, postlarvae age (pl12) and stocking density (37-38 pl m3). the first period of shrimp culture started from mid april and they wer...

ژورنال: توسعه آبزی پروری 2020
Khara, Hossein, Lashtoaghaei, Gholamreza, Sayyad Borani, Mohammad,

In the present study the effect of Probiotic Pediococcus acidilactici (Bactocell) and Iron was examined on growth performance in Caspian Sea Brown trout (Salmo trutta caspius) fry. 2430 fish with primary weight 3.59 g were divided in 9 experimental groups each include 90 fish, with 3 replications and studied for 60 days. Fish in control group was feed using commercial food (Skretting, Co.)  And...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

growing demands and requires of high data rate systems cause significant increase of high frequency systems for wideband communication applications. as mixers are one of the main blocks of each receivers and its performance has great impact on receiver’s performance; in this thesis, a new solution for ku-band (12-18 ghz) mixer design in tsmc 0.18 µm is presented. this mixer has high linearity a...

ژورنال: علمی شیلات ایران 2019

The present study was conducted to determine the effect of saffron petal powder on the growth and activity of antioxidant enzymes in the grass carp larva (Ctenopharyngodon idella). Fish larva (0.75 ± 0.03 g and 4.39± 0.09 cm) were fed separately with four levels of saffron petal powder diets which were included; P0 (0%), P1 (2%), P2 (4%) and P3 (6%) for 60 days. One thousand two hundred fish we...

Journal: :تولیدات دامی 0
سید عبداله حسینی استادیار، بخش تحقیقات تغذیه، مؤسسۀ تحقیقات علوم دامی کشور مرتضی کوچک زاده ملاری کارشناس ارشد، گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه آزاد اسلامی واحد گرمسار حمیدرضا سیدآبادی محقق، بخش تحقیقات بیوتکنولوژی، مؤسسۀ تحقیقات علوم دامی کشور

this study was conducted to evaluate the share of cost factors affecting on final cost of broiler live weight per kilogram in tehran province. data were collected through questionnaires. farms were divided to three cost ranges: less than 35,000, between 35,000 to 40,000, and over 40000 rails based on production cost per kg of live weight. in this study, water and additives, staff, vaccines, tra...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1388

the purpose of the present study was to investigate the effect of task-based instruction of vocabulary on the receptive and oral productive acquisition of english vocabulary and compare the results with those obtained from the traditional method. the method and procedure applied in this study was as follows: after the implementation of opt, a group of sixty female students were chosen. the stu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - پژوهشکده مهندسی فرایند 1395

abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1390

one very decisive factor in students’ academic destiny is the result they get at final term examinations. because of its importance, both students and teachers are curiously anxious about them. as normally it is the case, these final term tests are prepared hurriedly in short time by teachers which result in students’ dissatisfaction, complaining on how the test was different from their expecta...

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