Theses and Dissertations

Title: Experiments on the artificial feeding of the European carp, Cyprinus carpio (Linnaeus)

Name: Zobairi, Abdul Rahman Khan

Degree: MS

Chair: Dr. John Stiles Dendy

Resides: FAA Library

University: Auburn

Location: Auburn, Alabama

Date: 1952

Pages: 90

Keywords: Feeds,Feeding Rates,European Carp,Cyprinus carpio.


Results of the feeding experiments on the European carp, Cyprinus carpio (Linnaeus), with different rates of feeding soybean cake are given. The rates of feeding tried were 0.5, 1, 2, 5, 10, and 15 per cent of the body weight per day. Of these, the food administered at 2 per cent of body weight was found to be utilized more efficiently than at any other rates. The per pound cost of producing carp at this rate of feeding was approximately 20 cents with the current price of soybean cake as 4.8 cents per pound. The total production of fish at this rate was about 500 pounds per acre per year. An appreciable quantity of food fed at 5 per cent of body weight and above was found to remain over in ponds unitilized by the fish. This built up phytoplankton, turning the water green. The accumulation of soybean cake increased the concentration of the free carbon dioxide and decrease the dissolved oxygen until the phytopankton developed to such an extent that it reversed the situation. The growth of the carp above a minimum average temperature of 50o F did not seem to depend on the temperature of water. The critical minimum temperature of which the fish might altogher cease to utilize food would appear to lie somewhere below the average of about 52o F. Stunted fish with total length of 138 mm, suffering from lack of adequate nutrition, were found to be ready to spawn during the spawning season. Even the fish belonging to the age group 0 were found to have attained maturity.

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