Determination of phosphorus composition and availability from various feedstuffs to channel catfish (Ictalurus punctatus) /
[], and nitrite [] from which apparent digestibility
| Main Author: | |
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| Format: | Thesis eBook |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1998.
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| Subjects: | |
| Online Access: | Link to OAKTrust copy |
| Summary: | [], and nitrite [] from which apparent digestibility accounted for by uptake of calcium phosphate and approximately 12 h after feeding. Feed and fecal Approximately 25 % of the TP in feedstuffs was readily are better utilized by channel catfish and also reduce availability from the following feedstuffs to channel catfish (Ictalurus punctatus): devilled, solvent- coefficients were computed. Fecal samples contained concentrations. The TP concentrations in fecal consisting of a 70:30 mixture of reference diet to determine the phosphorus (P) composition and eutrophication of the culture system or receiving extracted soybean meal, cottonseed meal, wheat, wheat fed to channel catfish weighing approximately 100-150 feedstuffs. The major part of this decrease could be g and the feed samples were obtained by stripping important consideration in aquaculture because ingredients of plant origin had lower concentrations labile but this fraction increased to 35 % in fecal material from fish fed the different diets ranged from material. Fecal material from fish fed diet meal and a high of 92 % for fish meal analog. Plant meat-bone meal and menhaden fish meal. Test diets middlings, rice bran, sorghum, corn, fish meal analog, organic phosphorus from the feed ingredients. origin. Phosphorus availability from animal products phosphorus availability values obtained for the phosphorus excretion by fish may influence phosphorus excretion. phosphorus, total nitrogen (TN), ammonia [], nitrate phytoplankton growth. This study was conducted to products also had variable phosphorus availability relatively [] Concentrations but rather high [] samples were analyzed for total phosphorus (TP), soluble reactive phosphorus (SIRP), fractionations of test ingredient were utilized with chromic oxide as than samples from fish fed ingredients of animal The availability of phosphorus in fish diets is an raphics. the non-digestible marker. The various test diets were values which generally ranged from 33% to 83%. The various feedstuffs may allow formulation of diets that was variable, with a low of 47 % for menhaden fish water, as phosphorus is a primary nutrient stimulating |
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| Item Description: | "Major subject: Wildlife and Fisheries Sciences". Vita. |
| Physical Description: | vii,40 leaves ; 28 cm. Also available online. |
| Bibliography: | Includes bibliographical references. (leaves 25-28). |