نتایج جستجو برای: ornamental fish
تعداد نتایج: 108949 فیلتر نتایج به سال:
Nephrocalcinosis is a chronic disorder which may be resulted in decrease in growth rate and finally mortality in severe condition. Nephrocalcinosis is defined as the presence of calcification in the kidney. A total number of 80 ornamental fishes of different species included of discus fish (Symphysodon discus), angelfish (Pterohyllum sp.), goldfish (Carassius auratus) and oscar fish (Astronotus...
Ornamental fish farming has become an important industry in the world. are called living gems because of their color, shape and behavior. Modern ornamental production requires a nutritionally balanced, cost-effective sustainable feeding process. Among operating costs aquaculture, cost feed ratio varying between 40% 60% among total other expenses. In this study, it was aimed to investigate effec...
Hyphessobrycon eques is a famous fish for ornamental fish market and aquarium. They are inhabit in regions of Amazon and Paraguay River basin. Serpae fishs were investigated 2-3 males are chased to female, and then males attempted to simulate the females abdomen. After fertilization, eggs were kept in incubators at 28°C. The fertilized eggs had adhesive and demesal characteristics and had a mea...
The ornamental fish, Carrassius auratus was artificially infected by the water mold Saprolegnia parasitica. fishes were left in aquariums without treatment until they died for purpose of histological study. Skin and muscle tissues sections have been prepared stained PAS. results showed clear tissue changes represented erosion necrosis skin epidermis muscles.
The bacterial population of the water supplied with ornamental fish purchased from retail outlets was examined qualitatively and quantitatively. As many as 10(9) viable aerobic organisms per 100 ml were present, with fecal coliform counts as high as 10(5) per 100 ml. Citrobacter, Escherichia, Pseudomonas, and Vibrio were isolated from 75% or more of the samples, whereas Aeromonas, Alcaligenes, ...
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