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- Title
Dietary phosphorus requirement of channel catfish.
- Authors
Wilson, R P; Robinson, E H; Gatlin, D M, 3rd; Poe, W E
- Abstract
Two experiments were conducted to reevaluate the dietary phosphorus requirement of fingerling channel catfish. Basal diets containing either casein with supplemental inorganic phosphorus and 0.5% total calcium or egg albumin with supplemental inorganic phosphorus and 0.75% total calcium yielded similar requirement data. Eleven-week growth, feed efficiency, serum phosphorus, bone ash, bone calcium and bon phosphorus data indicate that 0.33% apparent available dietary phosphorus is adequate for maximum growth and bone mineralization. Based on these data and previous findings, we would suggest a value of 0.4% apparent available phosphorus be used in formulating catfish feeds. The apparent availability of phosphorus from soybean meal, as determined by the chromic oxide indicator method, was 29% for channel catfish.
- Publication
The Journal of nutrition, 1982, Vol 112, Issue 6, p1197
- ISSN
0022-3166
- Publication type
Journal Article
- DOI
10.1093/jn/112.6.1197