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Abstract                 Volume:4  Issue-4  Year-2017          Original Research Articles

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Influence of Some Factors on In Vitro Gas Production of Different Feed Groups and Possibilities for Its Prediction
Evgeni Videv¹, Jivko Krastanov¹, Staika Laleva¹, Nikolay Oblakov², Теodora Angelova¹,  Daniela Yordanova¹, Georgi Kalaydzhiev¹* and Magdalena Oblakova¹
1Agricultural Institute, Stara Zagora, Bulgaria
2Free Scientific Advisor, Stara Zagora, Bulgaria
*Corresponding author

Survey for establishing of correlation among in vitro gas production in the rumen of ruminants fed different groups of forage plants was performed at the Agricultural Institute, Stara Zagora. Gas production at 24 hrs and 48 hrs, content of NDF, ADF, DDM, DMI and RF were determined by ANCOM technology. On the base of correlations among the gas production and feeds parameters, regression equations were developed for approximate prediction the amount of in vitro gas production at 24 and 48 hrs. The amount of in vitro gas can be predicted by NDF, DDM and RFV as an independent variables by Multiple regression with a good accuracy - R= 0.872- 0.890. Factor analysis demonstrated that in vitro gas production was mainly influenced by the type of forage – 49.86% depending on the composition of the group. Treatment of combined feeds and complete feed mixtures with bioadditives, Rumaniol, Biolife and Biobor have positive effect– 23-49% in reducing gas production. Structural fibre components NDF and ADF have negative effect on the DDM, DMI and RFV and their increase in animal rations decreased the gas production.

Keywords: Correlations,Feeds,In vitro gas production,Regression equations
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How to cite this article:

Videv, E., Krastanov, J., Laleva, S., Oblakov, N., Angelova,  T., Yordanova, D., Kalaydzhiev, D., Oblakova, M., 2017.  Influence of some factors on in vitro gas production of different feed groups and possibilities for its prediction.Int.J.Curr.Res.Biosci.Plantbiol. 4(4): 39-45. doi: https://doi.org/10.20546/ijcrbp.2017.404.007
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