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The Impact of Age and Feeding Length on Phytase Efficacy During the Starter Phase of Broiler Chickens by O.O. Babatunde; A.J. Cowieson; J.W. Wilson; O. Adeola is a Agricultural and Biological Sciences article available to read on EtoBox.

What is The Impact of Age and Feeding Length on Phytase Efficacy During the Starter Phase of Broiler Chickens about?

Phytase is of importance to the poultry industry because of its ability to hydrolyze phytate and release phosphorus (P) for use by poultry. However, the effect of age on phytase efficacy is not fully understood. A total of 864 day-old broiler chicks were used to investigate the effect of age and feeding length on phytase efficacy using growth performance, mineral utilization, and tibia ash as response criteria of evaluation. The experiment was arranged as a 3 × 2 × 2 factorial in a randomized complete block design with 3 diets including; a positive control (PC; 0.4% non-phytate P (nPP)), a negative control (NC; 0.2% nPP) and a NC diet supplemented with phytase at 2,000 FYT/kg; 2 ages (i.e., days 14 and 22); and 2 feeding lengths (i.e., 2 and 5 D) with 8 replicates each. Birds fed the NC had decreased (__P__ < 0.01) body weight gain and feed efficiency compared with birds fed the PC regardless of age or feeding length. Similarly, birds fed the phytase-supplemented diet had improved (__P__ < 0.01) performance as compared to birds fed the NC regardless of age. There were no significant differences in P utilization between birds fed for 2 to 14 D or 22 D and birds fed for 5 D to both a

Who reads The Impact of Age and Feeding Length on Phytase Efficacy During the Starter Phase of Broiler Chickens?

Author

O.O. Babatunde; A.J. Cowieson; J.W. Wilson; O. Adeola

Publisher

Poultry Science Association; Oxford University Press; Elsevier BV; Oxford University Press (OUP) (ISSN 0032-5791)

Published

2019

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)