Koi (Cyprinus carpio haematopterus) fish samples collected in Hanoi and Bac Ninh, from October 2019 to December 2020, fish size from lOg - to 500g. The results of parasitological research on Koi fish have detected some species of ectoparasites on the skin, fins and gills of fish as follows: Ichthyophthyrius ...
This study was conducted to evaluate the effects of culture form and density on survival, growth, yield and economic efficiency of commercial clams in the waters of Van Don, Quang Ninh. Tuna with an initial length of 18.36 mm/head and an average weight of 4.12 g/head were used as initial ...
