Effects of Adding Rice Bran and Wheat Bran on Silage Quality of Different Cultivars of Potato Vines

HE Yupeng, GUO Yanli, QIN Shizhen, MA Shumei, DU Jinjiao, ZHENG Chen, ZHAO Fangfang

doi:10.3969/j.issn.1006-267x.2015.10.041

Chinese Journal of Animal Nutrition >

2015 , Vol. 27 >Issue 10: 3311 - 3318

DOI: https://doi.org/10.3969/j.issn.1006-267x.2015.10.041

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Effects of Adding Rice Bran and Wheat Bran on Silage Quality of Different Cultivars of Potato Vines

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College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China

Received date: 2015-04-01

Online published: 2015-10-15

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Abstract

This experiment was conducted to investigate the effects of adding wheat bran and rice bran on silage quality of 2 cultivars of potato vines.A 2×6 two factors experimental design was used.Potato vines (A) were from two potato cultivars: Zhuangshu 3 (A1) and Qingshu 169 (A2).And six mixing ratios (B) of wheat bran and rice bran were potato vines alone, (B1), 85% potato vines+15% rice bran (B2), 81% potato vines+15% rice bran+4% wheat bran (B3), 77% potato vines+15% rice bran+8% wheat bran (B4), 73% potato vines+15% rice bran+12% wheat bran (B5), 69% potato vines+15% rice bran+16% wheat bran (B6).There were 12 treatments with each treatment 4 replicates.Silages were prepared by using glass bottles (600 mL) in laboratory.The silos were kept at room temperature for 45 days.The results showed that A2 silage had higher sensory scoring and content of dry matter and neutral detergent fiber than A1 silage, and had lower pH and content of ammonia nitrogen, lactic acid, butyric acid and crude protein than A1 silage (P<0.05).Compared with B1 silage, B2 silage decreased pH and content of acetic acid, butyric acid, ammonia nitrogen and crude protein (P<0.05), increased sensory scoring, lactic/acetic acid and content of lactic acid, dry matter and neutral detergent fiber (P<0.05).Compared with B2 silage, B3 silage decreased pH and content of ammonia nitrogen and acetic acid (P<0.05), increased sensory scoring, lactic/acetic acid and content of lactic acid, dry matter, crude protein and neutral detergent fiber (P<0.05).B4, B5, B6 silages had lower content of ammonia nitrogen and butyric acid and higher content of dry matter and crude protein than B3 silage (P<0.05).There were interactions between cultivar and mixing ratio on sensory scoring, lactic/acetic acid and content of ammonia nitrogen, lactic acid, butyric acid and dry matter (P<0.05).For the same mixing ratio, A2 silage had a better silage quality than A1 silage.It is concluded that potato vines can get good quality silages when mixing with 15% rice bran and 4% wheat bran.

Key words： potato vines; silage; fermentation quality; rice bran; wheat bran

Cite this article

HE Yupeng, GUO Yanli, QIN Shizhen, MA Shumei, DU Jinjiao, ZHENG Chen, ZHAO Fangfang . Effects of Adding Rice Bran and Wheat Bran on Silage Quality of Different Cultivars of Potato Vines[J]. Chinese Journal of Animal Nutrition, 2015 , 27(10) : 3311 -3318 . DOI: 10.3969/j.issn.1006-267x.2015.10.041

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