Nigerian cocoa husks and cassaua meal as sources of energy for rats fed soybean meal or peanut meal-supplemented diets
Nigerian cocoa husks (CH) and cassava meal (CM) were evaluated chemically and biologically in comparison with Canadian yellow corn(C), Canadian soybean meal (SBM) and U.S.A. peanut meal (PNM) using weanling Sprague-Dawley rats. The growth experiment lasted 4 wk. Five major dietary energy-protein combinations were employed, one of which was supplemented with DL-methionine and L-lysine. Each major dietary category was subdivided into three isocaloric (3,600 kcal digestible energy/kg) subgroups containing 20, 16 and 12 percent crude protein, respectively. The crude fat, crude protein and amino acid contents of the foodstuffs and prussic acid contents of CM and cassava root peels, and the theobromine content of detoxified and undetoxified CH were determined. Energy source substantially influenced the response to protein supplementation of the diets. Inclusion of CM at 30 to 50 percent of the diet gave the best overall performance. Isonitrogenous substitution of dethreobrominized CH for 6.7 percent corn in the C-PNM diet gave growth response and energy and nitrogen digestibilities which compared favorably with C-PNM or C-PNM supplemented with DL-methionine and L-lysine, thus suggesting that detheobrominized CH could be efficiently utilized in animal diets.
| Main Authors: | , |
|---|---|
| Format: | biblioteca |
| Published: |
Jun
|
| Subjects: | CASCARAS DE CACAO, HARINA DE YUCA, HARINA DE SOJA, HARINA DE MANI, SUPLEMENTOS DE PIENSOS, RATA, VALOR NUTRITIVO, PIENSOS, |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|