Grass Carp Fish Food

Grass carp fed on duckweed or elodea feed continuously throughout the day while fish fed on animal diets e g.
Grass carp fish food. Marco polo made mention of this fish in his travels and for close to 300 years the russians have utilized the white amur grass carp for aquatic weed and algae control to. The grass carp ctenopharyngodon idella is a large herbivorous freshwater fish species of the family cyprinidae native to eastern asia with an original range from northern vietnam to the amur river on the siberia china border. Carp fish means domestic and foreign fish like rui fish or other species like this. Grass carp is a native chinese freshwater fish with a broad distribution from the catchment area of the pearl river in southern china to that of the heilongjiang river in northern china.
The grass carp ctenopharyngodon idella is a herbivorous freshwater fish species of family cyprinidae and the only species of the genus ctenopharyngodon. It is cultivated in china for food but was introduced in europe and the united states for aquatic weed control. Tubificids only fed for about a quarter of the diel cycle. On the other hand ni and wang 1999 found that when grass carp feed on macrophytes they do so continuously for 2 3 h with a break of less than one hour between feeding sessions table 3.
For example if fed in combination plant material and pellets the pellet protein content can be reduced to 25 percent for juvenile grass carp between 30 50 g. They become a nuisance at the feeder and make such a commotion they discourage bluegill from feeding. Like other carp species grass carp lack teeth in their mouths but have formidable pharyngeal teeth. Because grass carp feed on macrophytes the nutrient composition of supplemental pellets can be lower than the specific requirements of complete feeds guo 2006.
Katla mrigel kalibaus are south asian species. This asian carp is the only species of the genus ctenopharyngodon. The grass carp is distinct from many species of fish in that it is a vegetarian which means it sees both algae and aquatic weed as being a delicious meal. If you have not witnessed this scene big grass carp cruise the surface with their mouth open literally vacuuming dozens of floating fish food pellets.
We can make some group of fish according to their habit of taking food and living. For instance a natural population exists in the red river in vietnam. It has been introduced to about 40 other countries and there have been limited reports about the natural populations occurring in those areas. Marco polo mentioned the grass carp during his travel to china and the fish has also been used by the russians for the same purposes as a natural way to control weed.
These are used to crush food items such as snails and allow the fish to eject the unwanted shell and swallow the nutritious parts. As grass carp age and reach 15 pounds or more they are less efficient consuming vegetation.