Comparison of silage and hay of dwarf Napier grass (Pennisetum purpureum) fed to Thai native beef bulls

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Abstract

Both quantity and quality of forages are important in dry season feeding. Eight Thai native beef bulls were arranged in a Completely randomized design to evaluate dwarf Napier namely Sweet grass (Pennisetum purpureum cv. Mahasarakham) preserved as silage or hay on feed intake, digestibility, and rumen fermentation. The animals were fed with forage ad libitum supplemented with concentrate mixture at 1.0% of BW for 21 days; data were collected during the last 7 days. The results showed that there were differences (P < 0.05) between treatments in dry matter (DM) intake, DM digestibility, and ruminal pH, in which hay feeding gave enhanced feed intake and more favorable ruminal pH. Nevertheless, mean ruminal ammonia nitrogen, total volatile fatty acids (TVFAs), proportion of VFAs, bacterial and protozoal population, and blood urea nitrogen were similar (P > 0.05) in animals fed silage and hay. Sweet grass is better preserved as hay rather than silage.

Keywords

Grass Digestibility Feed utilization Ruminants 

Notes

Acknowledgements

The authors would like to express our sincere thanks to the Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Thailand, Thailand Research Fund (TRF) through the Royal Golden Jubilee Ph.D. Scholarship, TRF-IRG5980010, and TRF-IRN57W0002, for providing financial support for the research and the use of the research facilities.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  1. 1.Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of AgricultureKhon Kaen UniversityKhon KaenThailand

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