نتایج جستجو برای: ornamental
تعداد نتایج: 5559 فیلتر نتایج به سال:
Ornamental fish keeping has become an increasingly popular hobby, and there are now more than 330 mil lion ornamental fish sold each year throughout the world (Riehl and Baensch 1989). Although the total number of fish species exceeds 30,000 (Friede 1987), only 4000 of these species classify as freshwater or namental species (Riehl and Baensch 1989). Of these species a few hundred are popular a...
In recent years, world trade in ornamental fish has grown significantly. Southeast Asia industry use this potential to export these species to other countries. Considering the importance of ornamental fish, attempting to produce more marketable fish is one of the goals of ornamental fish breeders. In this regard, new methods such as coloring for producing the best fish variety, sex change aimed...
In parks, ornamental waters of easy access and populated with animals are quite attractive to children and yet might hide threats to human health. The present work focuses on the microbiota of the ornamental waters of a Lisboa park, characterized during 2015. The results show a dynamic microbiota integrating human pathogens such as Klebsiella pneumoniae, Aeromonas spp. and Enterobacter spp., an...
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