Digestibility and postprandial ammonia excretion in Nile tilapia ( Oreochromis niloticus ) fed diets containing different oilseed by-products
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| 024 | 7 | 0 | |a 10.1007/s10499-015-9881-z |2 doi |
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| 245 | 0 | 0 | |a Digestibility and postprandial ammonia excretion in Nile tilapia ( Oreochromis niloticus ) fed diets containing different oilseed by-products |h [Elektronische Daten] |c [Kwasi Obirikorang, Stephen Amisah, Simon Fialor, Peter Skov] |
| 520 | 3 | |a The present study was undertaken to evaluate the potential for using oilseed by-products (soybean, copra and palm kernel meals) as partial replacements of fishmeal in feeds for Nile tilapia (Oreochromis niloticus). Nutrient digestibility and postprandial ammonia excretion rates were examined. A fishmeal-based diet served as control against three test diets in which 30% of each of the oilseed by-products was included. Diets were randomly assigned to triplicate groups of fish (~1kg bulk weight) for the digestibility trials which spanned a total of 9days. The partial inclusion of oilseed meals did not significantly affect apparent protein digestibility, although lipid, ash and dry matter digestibilities were significantly affected (p<0.05). Fish fed the soybean meal diets significantly reduced their feed intake and showed lower growth and feed utilization efficiencies over the trial period. The inclusions of the plant proteins caused a reduction in ammonia excretion rates with the palm kernel meal diet recording the lowest mean excretion rates of 117mgkg−1day−1 which was twofold lower than the highest mean daily ammonia excretion rate of the fish group fed the fishmeal-based control diets. Overall, the study confirmed the potential of using copra and palm kernel meals to partially replace fishmeal in Nile tilapia diets based on their effects on short-term growth and feed utilization, nutrient digestibilities and lower ammonia excretion rates, while soybean meal in an unrefined form is not a promising replacement for fishmeal in tilapia diets. | |
| 540 | |a Springer International Publishing Switzerland, 2015 | ||
| 690 | 7 | |a Ammonia excretion |2 nationallicence | |
| 690 | 7 | |a Digestibility |2 nationallicence | |
| 690 | 7 | |a Growth |2 nationallicence | |
| 690 | 7 | |a Oilseed meals |2 nationallicence | |
| 690 | 7 | |a Postprandial |2 nationallicence | |
| 690 | 7 | |a Tilapia |2 nationallicence | |
| 700 | 1 | |a Obirikorang |D Kwasi |u College of Agriculture and Renewable Natural Resources, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana |4 aut | |
| 700 | 1 | |a Amisah |D Stephen |u College of Agriculture and Renewable Natural Resources, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana |4 aut | |
| 700 | 1 | |a Fialor |D Simon |u College of Agriculture and Renewable Natural Resources, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana |4 aut | |
| 700 | 1 | |a Skov |D Peter |u DTU Aqua, Section for Aquaculture, The North Sea Research Centre, Technical University of Denmark, PO Box 101, 9850, Hirtshals, Denmark |4 aut | |
| 773 | 0 | |t Aquaculture International |d Springer International Publishing |g 23/5(2015-10-01), 1249-1260 |x 0967-6120 |q 23:5<1249 |1 2015 |2 23 |o 10499 | |
| 856 | 4 | 0 | |u https://doi.org/10.1007/s10499-015-9881-z |q text/html |z Onlinezugriff via DOI |
| 898 | |a BK010053 |b XK010053 |c XK010000 | ||
| 900 | 7 | |a Metadata rights reserved |b Springer special CC-BY-NC licence |2 nationallicence | |
| 908 | |D 1 |a research-article |2 jats | ||
| 949 | |B NATIONALLICENCE |F NATIONALLICENCE |b NL-springer | ||
| 950 | |B NATIONALLICENCE |P 856 |E 40 |u https://doi.org/10.1007/s10499-015-9881-z |q text/html |z Onlinezugriff via DOI | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Obirikorang |D Kwasi |u College of Agriculture and Renewable Natural Resources, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Amisah |D Stephen |u College of Agriculture and Renewable Natural Resources, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Fialor |D Simon |u College of Agriculture and Renewable Natural Resources, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Skov |D Peter |u DTU Aqua, Section for Aquaculture, The North Sea Research Centre, Technical University of Denmark, PO Box 101, 9850, Hirtshals, Denmark |4 aut | ||
| 950 | |B NATIONALLICENCE |P 773 |E 0- |t Aquaculture International |d Springer International Publishing |g 23/5(2015-10-01), 1249-1260 |x 0967-6120 |q 23:5<1249 |1 2015 |2 23 |o 10499 | ||