نتایج جستجو برای: aquaria
تعداد نتایج: 626 فیلتر نتایج به سال:
Stocking density and salinity influence on the growth and survival of golden Anabas fry were studied. Experiments were carried out at Hatchery Unit, Institute of Bioscience, Universiti Putra Malaysia, Serdang Selangor, Malaysia. Growth parameters were measured once a month. While survival was monitored daily throughout the experimental period. Water quality such as temperature, dissolved oxygen...
The current study has determined the toxicity effects of copper nanoparticles on the some vital organs such as gill, liver and kidney of Caspian Roach; Rutillus rutillus caspicus. For this purpose, 120 fishes were used as experimental samples and exposed to 0.1, 0.2 and 0.5 mg/L of Cu nanoparticles for 21 days, and 30 fishes assumed as the experiment control. The mean water temperature...
Abstract Zoos and aquaria have progressively evolved into conservation centres aimed at conserving biodiversity through educational, recreational, research integrated activities. Their work is based on a strong cooperation national international level, that enables the collaborative management of hundreds thousands animals protection endangered species programmes. The COVID -19 pandemic associa...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید