The objectives of this research were to evaluate the effects of raw material moisture content and additives on the fermentation quality and degradation of glycoalkaloids in potato vine silage and to explore new approaches for feedstuff preservation with the aim of providing a source of sustainable livestock feed. Potato vine was partially wilted to three different target moisture contents [approx. 75% (M1), 65% (M2), and 55% (M3)] and treated with (1) formic acid [1.5% fresh weight (FW), FA]; (2) pre-fermented juices (5.0 mL kg−1 FW, PFJ); (3) corn flour (100 g kg−1 DM, CF); (4) potato pulp (30% FW, PP); and (5) no additives (control). After 45 days of ensiling with polyethylene (100 mL), the fermentation quality, chemical composition, and concentration of glycoalkaloids were determined. The results showed that silage quality and glycoalkaloid concentration were significantly influenced by moisture content and additives (P < 0.05). Lactic acid (LA), pH, acid detergent fiber (ADF), and neutral detergent fiber (NDF) increased slightly with decreasing moisture content; in contrast, the concentration of LA/AA declined. LA content was highest and pH and acetic acid (AA) were lowest at M1 compared with M2 and M3. Little to no butyric acid (BA) was detected in the presence of additives. The FA-treated silage exhibited a significantly reduced pH value and ammonia-N/total-N (NH3-N/TN) content (P < 0.05) and an increased concentration of LA and water-soluble carbohydrates (WSCs). PP-treated silage provided sufficient fermentation substrate, and the DM and WSC contents increased significantly (P < 0.05) compared with the PFJ and CF treatments. Supplementation with PFJ resulted in the pH of the ensiled forage stabilizing at approximately 4.40. With the addition of CF, the LA:AA ratios of the different moisture content treatments were 2.42, 2.15, and 1.75, respectively, which were significantly lower than 3:1 in the other treatments at all moisture contents. The potato glycoalkaloid content of the PV silage increased with decreasing moisture level. Glycoalkaloid concentration was significantly reduced to 0.55, 4.57, and 7.73 100 mg g−1, respectively (P < 0.05), in the different moisture treatments by the addition of FA. In conclusion, the best quality PV silage was produced at 75% moisture content with the addition of FA. Additive ensiling thus constitutes an effective approach for potato vine preservation.
| Published in | American Journal of Agriculture and Forestry (Volume 7, Issue 1) |
| DOI | 10.11648/j.ajaf.20190701.11 |
| Page(s) | 1-9 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2019. Published by Science Publishing Group |
Additives, Fermentation Quality, Lactic Acid Bacteria, Moisture, Potato Vine Silage, Tibet
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APA Style
Zhou Juanjuan, Wei Wei, Qin Aiqiong, Samten, Tenzin-tarchen, et al. (2019). Effects of Moisture Content and Additives on the Fermentation Quality and Degradation of Glycoalkaloids in Potato (Solanum tuberosum) Vine Silage in Tibet. American Journal of Agriculture and Forestry, 7(1), 1-9. https://doi.org/10.11648/j.ajaf.20190701.11
ACS Style
Zhou Juanjuan; Wei Wei; Qin Aiqiong; Samten; Tenzin-tarchen, et al. Effects of Moisture Content and Additives on the Fermentation Quality and Degradation of Glycoalkaloids in Potato (Solanum tuberosum) Vine Silage in Tibet. Am. J. Agric. For. 2019, 7(1), 1-9. doi: 10.11648/j.ajaf.20190701.11
AMA Style
Zhou Juanjuan, Wei Wei, Qin Aiqiong, Samten, Tenzin-tarchen, et al. Effects of Moisture Content and Additives on the Fermentation Quality and Degradation of Glycoalkaloids in Potato (Solanum tuberosum) Vine Silage in Tibet. Am J Agric For. 2019;7(1):1-9. doi: 10.11648/j.ajaf.20190701.11
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Download@article{10.11648/j.ajaf.20190701.11,
author = {Zhou Juanjuan and Wei Wei and Qin Aiqiong and Samten and Tenzin-tarchen and Li Bin},
title = {Effects of Moisture Content and Additives on the Fermentation Quality and Degradation of Glycoalkaloids in Potato (Solanum tuberosum) Vine Silage in Tibet},
journal = {American Journal of Agriculture and Forestry},
volume = {7},
number = {1},
pages = {1-9},
doi = {10.11648/j.ajaf.20190701.11},
url = {https://doi.org/10.11648/j.ajaf.20190701.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajaf.20190701.11},
abstract = {The objectives of this research were to evaluate the effects of raw material moisture content and additives on the fermentation quality and degradation of glycoalkaloids in potato vine silage and to explore new approaches for feedstuff preservation with the aim of providing a source of sustainable livestock feed. Potato vine was partially wilted to three different target moisture contents [approx. 75% (M1), 65% (M2), and 55% (M3)] and treated with (1) formic acid [1.5% fresh weight (FW), FA]; (2) pre-fermented juices (5.0 mL kg−1 FW, PFJ); (3) corn flour (100 g kg−1 DM, CF); (4) potato pulp (30% FW, PP); and (5) no additives (control). After 45 days of ensiling with polyethylene (100 mL), the fermentation quality, chemical composition, and concentration of glycoalkaloids were determined. The results showed that silage quality and glycoalkaloid concentration were significantly influenced by moisture content and additives (P 3-N/TN) content (P P −1, respectively (P < 0.05), in the different moisture treatments by the addition of FA. In conclusion, the best quality PV silage was produced at 75% moisture content with the addition of FA. Additive ensiling thus constitutes an effective approach for potato vine preservation.},
year = {2019}
}
TY - JOUR T1 - Effects of Moisture Content and Additives on the Fermentation Quality and Degradation of Glycoalkaloids in Potato (Solanum tuberosum) Vine Silage in Tibet AU - Zhou Juanjuan AU - Wei Wei AU - Qin Aiqiong AU - Samten AU - Tenzin-tarchen AU - Li Bin Y1 - 2019/01/24 PY - 2019 N1 - https://doi.org/10.11648/j.ajaf.20190701.11 DO - 10.11648/j.ajaf.20190701.11 T2 - American Journal of Agriculture and Forestry JF - American Journal of Agriculture and Forestry JO - American Journal of Agriculture and Forestry SP - 1 EP - 9 PB - Science Publishing Group SN - 2330-8591 UR - https://doi.org/10.11648/j.ajaf.20190701.11 AB - The objectives of this research were to evaluate the effects of raw material moisture content and additives on the fermentation quality and degradation of glycoalkaloids in potato vine silage and to explore new approaches for feedstuff preservation with the aim of providing a source of sustainable livestock feed. Potato vine was partially wilted to three different target moisture contents [approx. 75% (M1), 65% (M2), and 55% (M3)] and treated with (1) formic acid [1.5% fresh weight (FW), FA]; (2) pre-fermented juices (5.0 mL kg−1 FW, PFJ); (3) corn flour (100 g kg−1 DM, CF); (4) potato pulp (30% FW, PP); and (5) no additives (control). After 45 days of ensiling with polyethylene (100 mL), the fermentation quality, chemical composition, and concentration of glycoalkaloids were determined. The results showed that silage quality and glycoalkaloid concentration were significantly influenced by moisture content and additives (P 3-N/TN) content (P P −1, respectively (P < 0.05), in the different moisture treatments by the addition of FA. In conclusion, the best quality PV silage was produced at 75% moisture content with the addition of FA. Additive ensiling thus constitutes an effective approach for potato vine preservation. VL - 7 IS - 1 ER -