Impact of non-protein nitrogen substances on grape pomace silage quality
2015
Dinić, B. (Institute of Forage Crops Kruševac, Globoder (Serbia)) | Đorđević, N. (Faculty of Agriculture, Belgrade-Zemun (Serbia)) | Marković, J. (Institute of Forage Crops Kruševac, Globoder (Serbia)) | Sokolović, D. (Institute of Forage Crops Kruševac, Globoder (Serbia)) | Blagojević, M. (Institute of Forage Crops Kruševac, Globoder (Serbia)) | Terzić, D. (Institute of Forage Crops Kruševac, Globoder (Serbia)) | Babić, S. (Institute of Forage Crops Kruševac, Globoder (Serbia))
In this study grape pomace was ensilaged without and with the addition of NPN substances (Benural) at the dose of 0.5, 1.0 and 1.5% of the amount of husk and with the addition of inoculant based on homo and hetero fermentative lactic acid bacteria. The greatest effect on the nutritional value had application of Benural, especially in increasing the CP content from 126.9 to 178.3 g kg-1DM, an increase of over 40%. Application of Benural increased the ammonia and soluble nitrogen several times, but even with the maximum addition of Benural percentage of ammonia nitrogen in the total nitrogen reached only slightly above 5% NH3-N/Σ N (5.38%), while the percentage of soluble nitrogen in total nitrogen was 28.29%. The application of inoculants generally had no significant impact, both on the chemical composition and the fermentation process.
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