Differential Age Response of Turkeys to Protein and Sorghum Tannin Levels
Autor: | T. W. Sullivan, N. J. Gonzalez, M. M. Beck, J. H. Douglas |
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Rok vydání: | 1993 |
Předmět: |
chemistry.chemical_classification
biology Chemistry Protein level Catechin General Medicine Sorghum biology.organism_classification Body weight Feed conversion ratio chemistry.chemical_compound Animal science Equivalent Biochemistry medicine Tannin Animal Science and Zoology medicine.symptom Weight gain |
Zdroj: | Poultry Science. 72:1944-1951 |
ISSN: | 0032-5791 |
DOI: | 10.3382/ps.0721944 |
Popis: | Three experiments were conducted to determine the effect of protein and dietary sorghum tannin levels on weight gain (WG), feed conversion (FC), and pancreas weight (PW) of female turkeys from Day 1 to 12 wk of age. Two protein levels (100 and 85% of NRC, 1984) and five tannin levels (0, .49, .98, 1.47, and 1.96%, expressed as percentage catechin equivalents) in a factorial arrangement of treatments were used in all experiments. Turkeys were fed the dietary treatments from Day 1 to 4 wk, 4 to 8 wk, and 8 to 12 wk in Experiments 1, 2, and 3, respectively. No significant (P > .05) interaction between protein and tannin level was observed for WG, FC, or PW in all experiments. Neither protein nor tannin level had an effect on PW expressed as a percentage of body weight. In all experiments, feeding the suboptimal protein level significantly (P |
Databáze: | OpenAIRE |
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