Carbohydrate and protein fractions, and fermentation characteristics of common vetch – oat silages
2019
Marković, Jordan (https://orcid.org/0000-0001-6607-7041) | Vasić, Tanja (https://orcid.org/0000-0003-2312-0251) | Terzić, Dragan | Đokić, Dragoslav | Milenković, Jasmina | Prijović, Mladen | Lazarević, Đorđe
The objective of this study was to determine the fermentation characteristics of common vetch – oat silages, as well as carbohydrate and protein fractions of silage depending on different seeding rate in the mixtures and application of bacterial inoculant. The present experiment was conducted at the experimental field of the Institute for forage crops, Kruševac, Republic of Serbia. The common vetch and oat mixtures were ensiled with bacterial inoculant (a1) and without bacterial inoculant (a2). The common vetch and oat were tested at five different mixture rates: b1) 100% common vetch + 0% oat; b2) 0% common vetch + 100% oat; b3) 25% common vetch + 75% oat; b4) 50% common vetch + 50% oat and b5) 75% common vetch + 25% oat. Carbohydrate and protein fractions by CNCPS (Cornell Net Carbohydrate and Protein System) and fermentation characteristics of silages were determined. Application of bacterial inoculant increased significantly intermediately degradable total carbohydrates (CB2), nonprotein nitrogen (PA) and intermediately degraded protein (PB2) fraction, but decreased water soluble nitrogen content, acetic acid content, slowly degradable total carbohydrates (CB3) and bound protein (PC) fraction. Pure common vetch silage had the highest CB2 and the lowest CB3 and the highest PA fraction of CP. Pure oat silage had the highest water soluble nitrogen and total carbohydrates (CHO) content, CB3 and PC fraction, but the lowest content of undegradable CHO (CC) fraction, crude protein (CP) content and PB2 fraction.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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