Effects of silage additives on nutritional quality and silage quality of triticale and rye

doi:10.11686/cyxb2019044

Abstract

Abstract: This research studied the effect of formic acid and two kinds of lactobacillus additive (Sila-Max, Sila-Mix) on the quality and nutrient composition of rye and triticale silage. The experiment used a two-factor design (2 plant species; 4 silage types, the three additives as above and an untreated control). It was found that neutral and acid detergent fiber (NDF and ADF, respectively) contents in the formic acid treatment group were significantly lower than other treatments (P<0.05), while water soluble carbohydrate (WSC) content and dry matter digestibility (DMD) were significantly higher than in the control (P<0.05), and the silage nutrition quality was the best. The DMD and lactic acid contents of the Sila-Max and Sila-Mix treatment groups were significantly higher than those of the other treatment groups (P<0.05), pH value, while NH₃-N:TN were significantly lower than the control group (P<0.05). The silage nutrient quality and fermentation quality of treated silages were better than the control group. Among the treatments, Sila-Max required the lowest dosage of additive, and resulted in the best silage fermentation quality. Compared with rye silage, triticale silage had superior nutritive quality and silage quality. Triticale was more suitable for the use of silage. In summary, the best silage nutritional quality was obtained with triticale treated with formic acid, and the best silage quality was obtained with triticale treated with Sila-Max.

Key words: rye, triticale, silage, formic acid, lactobacillus additive

DAI Han-ling, TIAN Xin-hui, DU Wen-hua, WU Jian-ping. Effects of silage additives on nutritional quality and silage quality of triticale and rye[J]. Acta Prataculturae Sinica, 2019, 28(12): 211-219.

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