DW Tomorrow Today October 21, 2019 15:52:00
And thats one reason why a research project in switzerland is asking this question. how do fish fare in captivity they probably feel better when they have a good diet but how to tell if that is the case these are carp omnivores who need a regular supply of protein. other things one ready source of protein that could perhaps be used in aqua culture is duckweed. linda children is a doctoral student at the zurich university of applied sciences and her focus is fish welfare. she sing if carp like to...
Source: archive.org