نتایج جستجو برای: 60 clinically healthy barbus grypus
تعداد نتایج: 670096 فیلتر نتایج به سال:
BACKGROUND The aim of this study was to detect the occurrence of parasites in fish in Armand River, Chaharmahal va Bakhtyari Province regarding the importance of native fish population in the river. METHODS The occurrence of parasites was investigated in 6 native fish (Capoeta capoeta, C. damascina, C. aculeta, Barbus barbulus, B. grypus and Glyptothorax silviae) collected from the current ma...
Lamproglena hoi n.sp. species was collected from the gill filaments of largescale yellowfish, Barbus marequensis A. Smith, 1841 and smallscale yellowfish, Barbus polylepis Boulenger, 1907 from the Spekboom River, Mpumalanga, South Africa. The genus Lamproglena is characterized. Morphological features of L. hoi are described and illustrated by means of drawings and scanning electron micrographs....
پرورش ماهی در تراکم بالا و با حداقل تلفات نیازمند آگاهی از سلامت آن می باشد. پارامتر های خون شاخص نسبتاً مفیدی برای ارزیابی نارساییهای فیزیولوژیکی در پرورش متراکم ماهی می باشد و می تواند اطلاعات مهمی برای تشخیص و پیشگیری از بیماری ها را در اختیار قرار دهد. در این مطالعه تعداد 60 قطعه ماهی شیربت پرورشی بالغ از استخرهای پرورش ماهی شیربت در استان خوزستان صید و پس از خون گیری از طریق ورید ساقه دمی...
As a result of specific adaptations and habitat preferences strongly rheophilic fish species may show high levels of endemism. Many temperate rheophilic fish species were subjected to a series of range contractions during the Pleistocene, and then successfully expanded during the Holocene, colonising previously abandoned areas. The Carpathian barbel (Barbus carpathicus Kotlík, Tsigenopoulos, Rá...
this study was conducted to determine taxonomic and zoogeographic features of fishes from the kor and helleh river basins in southwestern iran. the specimens were collected from 2004 to 2007. twenty four species belonging to 20 genera, 9 families, and 6 orders from the kor river basin and 21 species belonging to 19 genera, 8 families, and 6 orders from helleh basin were identified. ichthyofauna...
Anthropogenic activities, including the intentional releases of fish for enhancing populations (stocking), are recognized as adversely impacting the adaptive potential of wild populations. Here, the genetic characteristics of European barbel Barbus barbus were investigated using 18 populations in England, where it is indigenous to eastern-flowing rivers and where stocking has been used to enhan...
of fresh fish bile on guinea-worm embryos and also on cyclops infected as well as uninfected. It was found that fresh bile of the following species of fish, Barbus puckelli, Barbus punctatus and Barbus gelius, exerts a definite lethal action on cyclops and also on guinea-worm embryos. When undiluted fresh bile was used, it was found that it took about one to two minutes to kill the cyclops and ...
از پنج منطقه تخلیه صید در رودخانه کارون (گتوند، شوشتر، ملاثانی، اهواز و دارخوین) در سال 1387 نمونه های ماهی شیربت و برزم لب پهن جمع آوری شد. در طول اجرای این تحقیق بیش از دوهزار ماهی شیربت و برزم لب پهن زیست سنجی گردیدند. میانگین طولی (± انحراف معیار) ماهی شیربت 18/8±94/37 در دامنه 76-20 سانتیمتر، برزم لب پهن 27/10±62/43 در دامنه 94- 20 سانتیمتر و میانگین وزنی (± انحراف معیار) بترتیب شیربت 4...
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