Author Liebert, Frank
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2004 | Journal Article
Amino acid requirement of growing pigs depending on amino acid efficiency and level of protein deposition. 2nd communication: Threonine
Thong, H. T. & Liebert, F. (2004)
ARCHIVES OF ANIMAL NUTRITION-ARCHIV FUR TIERERNAHRUNG, 58(2) pp. 157-168. DOI: https://doi.org/10.1080/00039420410001667520
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2004 | Journal Article
Growth, nutrient utilization and parameters of mineral metabolism in Nile tilapia Oreochromis niloticus (Linnaeus, 1758) fed plant-based diets with graded levels of microbial phytase
Portz, L. & Liebert, F. (2004)
Journal of Animal Physiology and Animal Nutrition, 88(9-10) pp. 311-320. DOI: https://doi.org/10.1111/j.1439-0396.2004.00486.x
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2004 | Journal Article
Potential for protein deposition and threonine requirement of modern genotype barrows fed graded levels of protein with threonine as the limiting amino acid
Thong, H. T. & Liebert, F. (2004)
Journal of Animal Physiology and Animal Nutrition, 88(5-6) pp. 196-203. DOI: https://doi.org/10.1111/j.1439-0396.2004.00457.x
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2004 | Journal Article
Amino acid requirement of growing pigs depending on amino acid efficiency and level of protein deposition 1st communication: Lysine
Thong, H. T. & Liebert, F. (2004)
ARCHIVES OF ANIMAL NUTRITION-ARCHIV FUR TIERERNAHRUNG, 58(1) pp. 69-87. DOI: https://doi.org/10.1080/00039420310001656695
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2005 | Conference Paper
Nutrient utilization of Nile tilapia Oreochromis niloticus fed plant based low phosphorus diets supplemented with graded levels of different sources of microbial phytase
Liebert, F. & Portz, L. (2005)
Aquaculture, 248(1-4) pp. 111-119. 11th International Symposium on Nutrition and Feeding in Fish, Phuket Isl, THAILAND.
Amsterdam: Elsevier Science Bv. DOI: https://doi.org/10.1016/j.aquaculture.2005.04.009
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2006 | Journal Article
Assessment of nitrogen maintenance requirement and potential for protein deposition in juvenile Tilapia genotypes by application of an exponential nitrogen utilization model
Liebert, F.; Suender, A. & Mohamed, K. (2006)
Aquaculture, 261(4) pp. 1346-1355. DOI: https://doi.org/10.1016/j.aquaculture.2006.05.029
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2006 | Journal Article
Estimation of Nitrogen Maintenance Requirements and Potential for Nitrogen Deposition in Fast-Growing Chickens Depending on Age and Sex
Samadi, S. & Liebert, F. (2006)
Poultry Science, 85(8) pp. 1421-1429. DOI: https://doi.org/10.1093/ps/85.8.1421
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2006 | Journal Article
Modeling of Threonine Requirement in Fast-Growing Chickens, Depending on Age, Sex, Protein Deposition, and Dietary Threonine Efficiency
Samadi, S. & Liebert, F. (2006)
Poultry Science, 85(11) pp. 1961-1968. DOI: https://doi.org/10.1093/ps/85.11.1961
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2007 | Journal Article
On the alkaloid content of ergot (Claviceps purpurea)
Mainka, S.; Daenicke, S.; Boehme, H.; Ueberschaer, K.-H. & Liebert, F. (2007)
LANDBAUFORSCHUNG VOLKENRODE, 57(1) pp. 51-59.
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2007 | Journal Article
On the composition of ergot and the effects of feeding two different ergot sources on piglets
Mainka, S.; Daenicke, S.; Boehme, H.; Ueberschaer, K.-H. & Liebert, F. (2007)
Animal Feed Science and Technology, 139(1-2) pp. 52-68. DOI: https://doi.org/10.1016/j.anifeedsci.2006.12.001
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2007 | Conference Paper
Different sources of microbial phytase in plant based low phosphorus diets for Nile tilapia Oreochromis niloticus may provide different effects on phytate degradation
Liebert, F. & Portz, L. (2007)
Aquaculture, 267(1-4) pp. 292-299. 12th International Symposium on Fish Nutrition and Feeding, Biarritz, FRANCE.
Amsterdam: Elsevier Science Bv. DOI: https://doi.org/10.1016/j.aquaculture.2007.01.023
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2007 | Journal Article
Modelling of threonine and methionine requirements of Oreochromis niloticus due to principles of the diet dilution technique
Liebert, F. & Benkendorff, K. (2007)
Aquaculture Nutrition, 13(6) pp. 397-406. DOI: https://doi.org/10.1111/j.1365-2095.2007.00490.x
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2007 | Conference Paper
Modeling lysine requirements of Oreochromis niloticus due to principles of the diet dilution technique
Liebert, F. & Benkendorff, K. (2007)
Aquaculture, 267(1-4) pp. 100-110. 12th International Symposium on Fish Nutrition and Feeding, Biarritz, FRANCE.
Amsterdam: Elsevier Science Bv. DOI: https://doi.org/10.1016/j.aquaculture.2007.02.022
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2007 | Journal Article
No impact of a phytogenic feed additive on digestion and unspecific immune reaction in piglets
Muhl, A. & Liebert, F. (2007)
Journal of Animal Physiology and Animal Nutrition, 91(9-10) pp. 426-431. DOI: https://doi.org/10.1111/j.1439-0396.2006.00671.x
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2007 | Journal Article
Growth and parameters of microflora in intestinal and faecal samples of piglets due to application of a phytogenic feed additive
Muhl, A. & Liebert, F. (2007)
Journal of Animal Physiology and Animal Nutrition, 91(9-10) pp. 411-418. DOI: https://doi.org/10.1111/j.1439-0396.2006.00668.x
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2008 | Journal Article |
Microbial Phytase and Nutrient Utilization in Low Phosphorus Chicken Diets
Liebert, F.; Htoo, J. K. & Suender, A. (2008)
The Journal of Poultry Science, 45(4) pp. 255-264. DOI: https://doi.org/10.2141/jpsa.45.255
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2008 | Journal Article
Modelling the optimal lysine to threonine ratio in growing chickens depending on age and efficiency of dietary amino acid utilisation
Samadi, S. & Liebert, F. (2008)
British Poultry Science, 49(1) pp. 45-54. DOI: https://doi.org/10.1080/00071660701821667
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2008 | Journal Article
Modelling of protein metabolism yields amino acid requirements dependent on dietary amino acid efficiency, growth response, genotype and age of growing chicken
Liebert, F. (2008)
Avian Biology Research, 1(3) pp. 101-110. DOI: https://doi.org/10.3184/175815508X388074
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2008 | Journal Article
Evaluation of dried distillers' grains with solubles (DDGS) as a protein source for broilers
Youssef, I. M. I.; Westfahl, C.; Suender, A.; Liebert, F. & Kamphues, J. (2008)
Archives of Animal Nutrition, 62(5) pp. 404-414. DOI: https://doi.org/10.1080/17450390802332985
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