Improvement in sorghum grain digestibility by removing tannin and feed formulation method using standardized amino acid digestibility in broilers

Rezvani, Mohammad Reza; Hoshyar, Karim

doi:10.22059/jap.2016.55558

Document Type : Research Paper

Authors

¹ Assistant Professor, Department of Animal Science, Faculty of Agriculture, Shiraz University, Iran

² M.Sc. Graduated Student, Department of Animal Science, Faculty of Agriculture, Shiraz University, Iran

https://doi.org/10.22059/jap.2016.55558

Abstract

The aim of this study was to investigate the processing methods of sorghum grain and diet formulation on performance and nutrients digestibility in broilers. Three hundred and twenty chicks at eight day of age were allotted into eight groups of four replicate with ten chicks per replicate. This research was conducted as completely randomized design arranged in a 2 × 2 × 2 factorial experiment using formulation method (total vs. digestible amino acids), Polyvinylpyrrolidone (PVP, 0 vs. 1%) and acid treatment (0 vs. 2%, acetic and propionic acid, 60:40 mixture). Main effects of addition of PVP and acid treatment of sorghum and formulation based on digestible amino acids significantly improved feed conversion ratio and average daily gain during the finishing period (22 to 42 d.) and the overall feeding periods (8 to 42 d.; P≤0.05). Also, acid treatment of sorghum and formulation based on digestible amino acid significantly improved nutrients digestibility during the finishing period (22 to 42 d.) and the overall feeding periods (8 to 42 d.) (P≤0.05). Addition of PVP or acid treatment resulted in a decrease in the weight of pancreas (P≤0.05). The interaction effect of PVP, acid and method of diet formulation was not significant on any performance parameters. The data showed that diet formulation based on digestible amino acid can be more advisable in comparison to sorghum grain processing methods. It can be because of no need for additional processing costs and having the same performance results.

Keywords

20.1001.1.20096776.1395.18.2.13.4

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Improvement in sorghum grain digestibility by removing tannin and feed formulation method using standardized amino acid digestibility in broilers

References

References

Volume 18, Issue 2June 2016Pages 347-357

Volume 18, Issue 2
June 2016
Pages 347-357