Theses and Dissertations


Title: The utilization of casein and soybean protein by channel catfish, Ictalurus punctatus (Rafinesque)

Name: Krisnandhi, Sulaeman

Degree: MS

Chair: Dr. E.W. Shell

Resides: FAA Library

University: Auburn

Location: Auburn, Alabama

Date: 1964

Pages: 43

Keywords: Utilization,Casein,Soybean Protein,Channel Catfish.

Abstract:

An experiment was conducted at the Fisheries Laboratory of Auburn University to study the utilization from purified diets of purified casein, purified soybean protein and a 1:1 combination of these two proteins by channel catfish. The proteins or protein combination were fed at a 5 or 30 percent level. Protein utilization was evaluated by weight gain obtained after a 10-week period. Protein content of the liver and serum were measured to determine if they were affected by the kind and level of the protein in the diets and whether they were correlated with the weight gain. The weight gain data indicated that casein and the protein combination diets, whether fed at the 5 or 30 percent level, produce approximately equal growth and that both of these protein sources were utilized better than soybean protein. The protein content of the liver was affected by the amount and kind of protein in the diet, but was not correlated with the weight gain as a parameter to measure the protein utilization. Significant amount of variation of the total serum protein was found as the result of the interaction of the kind of protein and the protein level in the diets. No correlation was found between the total serum protein and the weight gain data.

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