Effects of moisture content and additives on the quality of Agropyron elongatum silage

Abstract

Abstract: The effects of moisture content and additives on the quality of Agropyron elongatum silage and the best way to ferment A. elongatum silage were investigated. Fresh or wilted A. elongatum at the seeding stage were ensiled in bags for 360 d with CK, sucrose (2%), or formic acid (6 mL/kg). The pH increased significantly in the wilted silage. The wilting treatment led to a reduction in lactic acid and ammonia nitrogen contents, but to an increase in acetic acid content. The formic acid treatment resulted in a decrease in pH and the formation of acetic acid, but an increase in lactic acid content. Adding sugar led to a decrease in silage pH and acetic acid content, but to an increase in lactate production. Wilting or adding acid or sucrose had little impact on CP, NDF, ADF, Ash, EE, nitrate, and nitrite content, and dry matter recovery of A. elongatum silage. The nitrate content decreased by 48%-53%, while nitrite content increased.

CLC Number:

S816.53

LIU Ling, CHEN Xin, LI Zhen, HAN Ming-ming, XU Qing-fang, HAN Jian-guo, YU Zhu, BAI Chun-sheng. Effects of moisture content and additives on the quality of Agropyron elongatum silage[J]. Acta Prataculturae Sinica, 2011, 20(6): 203-207.

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