An energy budget for an omnivorous cyprinid:Rutilus rutilus(L.)

✍ Scribed by R. Hofer; G. Krewedl; F. Koch

• Book ID: 104615091
• Publisher: Springer
• Year: 1985
• Tongue: English
• Weight: 485 KB
• Volume: 122
• Category: Article
• ISSN: 1573-5141
• DOI: 10.1007/bf00018959

✦ Synopsis

Two t o three year old roach (9-15 g body weight) were fed adlibitunl with grass or with meal worms. After three weeks, both groups of fish showed a positive energy budget. However, with a grass diet, production was low (only 7% of that of meal worm feeding fish) with an increase of lipids, whereas the protein content of the body decreased. Non-crude fiber organic matter of grass was utilized to 47.6%, that of meal worms to 82.4%.