نتایج جستجو برای: cyprinids
تعداد نتایج: 265 فیلتر نتایج به سال:
The purpose of the study was to provide up-to-date information on inland fisheries landings in Basrah province, Iraq. During 2020-2021, species composition, and total landings, trends at six landing locations research region were assessed. There seven cyprinids, three cichlids, mullet, two sparids silurids. foreign C. carpio, tilapias species, auratus dominated accounting for 44.2% entire catch...
In the Mississippi River Basin of North America, invasive bigheaded carp (silver carp Hypophthalmichthys molitrix and bighead carp H. nobilis, also referred to as Asian carp) have spread rapidly over the past several decades. In the Illinois River, an important tributary of the Upper Mississippi River, reproduction appears to be sporadic and frequently unsuccessful, yet bigheaded carp densities...
The aim was to determine the effective dosages of Levofloxacin, an antibacterial drug new for aquaculture, treatment bacterial haemorrhagic septicaemia in carps and improvement physiological state fish following disease antibiotic therapy. methods : experiments were carried out aquaculture on juvenile infected with a mixed culture pathogens: highly pathogenic strains Aeromonas sp., Acinetobacte...
Recreational fisheries are an important element of contemporary fisheries. Detailed information about the motivation and opinions anglers regarding catch-and-release fishing in post-communist countries, such as Poland, has not been widely available to date. The aim this study was fill gap. We obtained 936 survey questionnaires completed by from throughout Poland. mean annual catch a Polish angl...
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