Synchronic use of multi-enzyme and probiotic on performance of broilers with wheat and barley based diet

Editorial

Authors

1 Msc Graduated from Tehran University

2 Assistant Professor of Tehran University

3 Associate Professor of Tehran University

Abstract

The objective of this study was to evaluate the synchronic use of multi-enzyme and probiotic on broilers performance. This factorial experimental was conducted in a randomized complete design and included 480 Ross broiler chicks (Strain 308) which were divided into 6 treatments and each treatment into 4 replicates and 20 chicks in each replicate. The wheat and barley based diet was constant for all treatments. Multi-enzyme is used in three levels (zero, half level and suggested level (500 gram) ) and probiotic in two levels (zero and suggested level). At the end of experiment, all chicks are weighted.  then from each replicate 2 chicks were killed to measure carcass traits and characteristics of different parts of intestine. At the total of the experiment period (1-45 days), the results showed that the application of multi-enzyme (at suggested level) was caused further weight gain and improvement of feed conversion ratio (P<0.05). No significant differences were observed in feed intake in application of only multi-enzyme or probiotic . Use of only probiotic and only multi-enzyme was decreased  FCR in total period (P<0.05).carcass percentage was increased significantly in use of enzyme, probiotic and synchronic use of them (P<0.05). Thigh and breast percent were not significant. Abdominal fat percent was decreased in use of synchronic enzyme and probiotic (P<0.05).Percentage of liver, duodenum and jejunum length declined significantly in use of only enzyme (p<0.05). use of only enzyme or only probiotic was advisable for Improvement of FCR. but the use of synchronic enzyme and probiotic doesn’t have any additive effect on broiler performance.

References

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Veterinary Research & Biological Products
Volume 24, Issue 4 - Serial Number 4
December 2012
Pages 18-32

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History

  • Receive Date: 22 April 2015
  • Accept Date: 22 April 2015

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