نتایج جستجو برای: quadrigyrus persicus
تعداد نتایج: 827 فیلتر نتایج به سال:
the late sexual maturity in sturgeon and the absence of morphological differences between males and females makes sex discrimination difficult. identification of sex at an early life stage is of high interest in caviar production because it allows efficient selection of females. in this study, the genome of 10 mature male and 10 mature female specimens of persian sturgeon (acipenser persicus...
a case of myiasis due to musca domestica describes in pseudocerastes persicus for the first time. the snake was found in bari karafs, kashan, iran, with a lesion on its body. fourteen live larvae of m. domestica removed from its wound. this is the first report of a new larval habitat of m. domestica .
1School of Public Health and Institute of Public Health Research, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran. Received: 14/04/03; accepted: 26/10/03 ABSTRACT Between 1991–2000, Leishmania species were isolated and characterized by isoenzyme and molecular analysis from rodents caught in various parts of the Islamic Republic of Iran. In areas endemic for cutaneous lei...
effects of sodium salt solutions on physicochemical and sensory characteristics of refrigerated persian sturgeon (acipenser persicus) fillets during 12 days of storage were investigated. fillets were dipped in solutions (2.5% w/v) of sodium acetate (sa), sodium lactate (sl), sodium citrate (sc) and distilled water (as control) for 10 minutes and then packaged. an assessment of tbars, ffa, ph, h...
رادولا اندامی ویژه از ضمائم گوارشی نرم تنان، به استثنای دو کفه ای ها را تشکیل می دهد که همراه با ضمائم تشکیل دهنده حفره ی دهانی از قبیل ماهیچه های متعدد و ادونتوفور سبب ایجاد جریان مستمری از مواد غذایی ریز به سمت حلق می شود. هرچند ساختار حفره ی دهانی در بین نرم تنان متفاوت و مطابق با عادات غذایی آنهاست، اما عناصر اساسی در آنها مشابه می باشد. از آنجا که شکل و ساختار دندان رادولا اغلب منحصر به یک...
امروزه در صنعت آبزی پروری تولید لاروهای مقاوم با میزان بازماندگی بالا و رشد مطلوب، بسیار با اهمیت است. از آن جا که دستگاه گوارش لارو ماهیان دریایی پس از جذب کیسه زرده تکامل نیافته، لازم است از غذاهای زنده در این مرحله استفاده شود. دراین تحقیق میزان رشد و بازماندگی لارو تاس ماهی ایرانی تحت تأثیر سه تیمار غذای زنده، آکارتیای خزر، آرتمیا و دافنی به مدت 14 روز مورد بررسی قرار گرفت. نتایج آزمایش تغد...
khabr national park and ruchun wildlife refuge are situated in the southeast of iran, kerman province. although snakes are an important group in the studied area, little is known regarding their diversity. the present study was carried out from march 2009 to late summer 2010. in this study, 74 specimens were collected (or observed) and identified, belonging to four families, 14 genera, and 17 s...
persian sturgeon, acipenser persicus is a native, commercially important and highly steemed fish species in the caspian sea. in this study, effects of nodularin (nodln), a cyclic pentapeptide hepatotoxin, on liver and gill tissues of a. persicus were studied. nodularin was produced in high amounts by nodularia spumigena, a cyanobacterium species during the algal bloom in the caspian sea and was...
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