Acta Prataculturae Sinica ›› 2021, Vol. 30 ›› Issue (7): 133-138.DOI: 10.11686/cyxb2020257
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Xiang YIN(), Yong-qi WANG, Xin-qin LI, Jing TIAN, Xiao-ya WANG, Jian-guo ZHANG()
Received:
2020-06-02
Revised:
2020-07-01
Online:
2021-07-20
Published:
2021-06-03
Contact:
Jian-guo ZHANG
Xiang YIN, Yong-qi WANG, Xin-qin LI, Jing TIAN, Xiao-ya WANG, Jian-guo ZHANG. Effects of various moisture-absorbing roughages on the fermentation quality and aerobic stability of napier grass silage[J]. Acta Prataculturae Sinica, 2021, 30(7): 133-138.
项目 Items | CK | MK | XM | DZ | MF | 显著性 Significance |
---|---|---|---|---|---|---|
干物质Dry matter (DM,% FM) | 15.44±0.31b | 21.65±0.88a | 20.86±0.11a | 22.53±0.35a | 22.18±0.77a | ** |
粗蛋白Crude protein (CP, % DM) | 9.78±0.32c | 7.90±0.40d | 12.38±0.00b | 13.03±0.07b | 14.51±0.06a | ** |
粗纤维Crude fiber (CF, % DM) | 39.30±0.32b | 43.37±1.46a | 29.77±1.14c | 36.59±1.13b | 30.33±0.36c | ** |
粗灰分Crude ash (CA, % DM) | 14.97±0.25a | 14.34±0.11a | 10.18±0.10c | 10.52±0.21c | 12.37±0.30b | ** |
中性洗涤纤维Neutral detergent fiber (NDF, % DM) | 64.47±0.86 | 63.21±2.03 | 62.92±0.30 | 61.11±0.10 | 60.92±0.38 | NS |
酸性洗涤纤维Acid detergent fiber (ADF, % DM) | 41.69±0.17a | 43.19±0.87a | 28.22±0.72c | 43.02±0.68a | 35.36±0.58b | ** |
可溶性碳水化合物Water-soluble carbohydrate (WSC, % DM) | 6.72±0.71 | 6.71±0.88 | 10.17±0.39 | 7.63±0.37 | 7.42±1.36 | NS |
pH | 5.89±0.05c | 6.15±0.02b | 6.55±0.05a | 5.97±0.05c | 6.59±0.02a | ** |
缓冲能Buffer capacity (mEq·kg-1 DM) | 203.90±0.39a | 136.75±6.13bc | 126.46±6.27c | 137.24±3.93bc | 171.43±23.84ab | * |
乳酸菌Lactic acid bacteria (log10 cfu·g-1 FM) | 3.42±0.25c | 3.97±0.06bc | 3.84±0.11bc | 4.43±0.12a | 4.07±0.14ab | ** |
好氧细菌Aerobic bacteria (log10 cfu·g-1 FM) | 5.99±0.01bc | 6.06±0.23bc | 6.28±0.01b | 6.19±0.04bc | 6.79±0.07a | ** |
酵母Yeast (log10 cfu·g-1 FM) | 4.48±0.10a | 4.34±0.08a | 4.49±0.01a | 4.43±0.03a | 4.07±0.07b | * |
霉菌Mold (log10 cfu·g-1 FM) | 3.41±0.15 | 3.39±0.22 | 3.51±0.31 | 3.47±0.08 | 3.21±0.06 | NS |
Table 1 Nutrient index and microbial counts before silage treatment with different moisture-absorbing materials
项目 Items | CK | MK | XM | DZ | MF | 显著性 Significance |
---|---|---|---|---|---|---|
干物质Dry matter (DM,% FM) | 15.44±0.31b | 21.65±0.88a | 20.86±0.11a | 22.53±0.35a | 22.18±0.77a | ** |
粗蛋白Crude protein (CP, % DM) | 9.78±0.32c | 7.90±0.40d | 12.38±0.00b | 13.03±0.07b | 14.51±0.06a | ** |
粗纤维Crude fiber (CF, % DM) | 39.30±0.32b | 43.37±1.46a | 29.77±1.14c | 36.59±1.13b | 30.33±0.36c | ** |
粗灰分Crude ash (CA, % DM) | 14.97±0.25a | 14.34±0.11a | 10.18±0.10c | 10.52±0.21c | 12.37±0.30b | ** |
中性洗涤纤维Neutral detergent fiber (NDF, % DM) | 64.47±0.86 | 63.21±2.03 | 62.92±0.30 | 61.11±0.10 | 60.92±0.38 | NS |
酸性洗涤纤维Acid detergent fiber (ADF, % DM) | 41.69±0.17a | 43.19±0.87a | 28.22±0.72c | 43.02±0.68a | 35.36±0.58b | ** |
可溶性碳水化合物Water-soluble carbohydrate (WSC, % DM) | 6.72±0.71 | 6.71±0.88 | 10.17±0.39 | 7.63±0.37 | 7.42±1.36 | NS |
pH | 5.89±0.05c | 6.15±0.02b | 6.55±0.05a | 5.97±0.05c | 6.59±0.02a | ** |
缓冲能Buffer capacity (mEq·kg-1 DM) | 203.90±0.39a | 136.75±6.13bc | 126.46±6.27c | 137.24±3.93bc | 171.43±23.84ab | * |
乳酸菌Lactic acid bacteria (log10 cfu·g-1 FM) | 3.42±0.25c | 3.97±0.06bc | 3.84±0.11bc | 4.43±0.12a | 4.07±0.14ab | ** |
好氧细菌Aerobic bacteria (log10 cfu·g-1 FM) | 5.99±0.01bc | 6.06±0.23bc | 6.28±0.01b | 6.19±0.04bc | 6.79±0.07a | ** |
酵母Yeast (log10 cfu·g-1 FM) | 4.48±0.10a | 4.34±0.08a | 4.49±0.01a | 4.43±0.03a | 4.07±0.07b | * |
霉菌Mold (log10 cfu·g-1 FM) | 3.41±0.15 | 3.39±0.22 | 3.51±0.31 | 3.47±0.08 | 3.21±0.06 | NS |
处理 Treatment | DM (% FM) | pH | 乳酸 Lactic acid (% DM) | 乙酸 Acetic acid (% DM) | 丙酸 Propionic acid (% DM) | 丁酸 Butyric acid (% DM) | NH3-N (% TN) |
---|---|---|---|---|---|---|---|
CK | 13.68±0.47b | 4.47±0.15 | 4.95±1.65b | 1.51±0.11 | 0.35±0.17 | 0.17±0.09b | 11.30±1.78b |
MK | 20.51±0.50a | 4.55±0.11 | 7.81±0.11a | 1.71±0.16 | 0.15±0.15 | 0.11±0.04b | 9.94±0.23b |
XM | 20.18±0.15a | 4.61±0.02 | 7.65±1.22a | 2.92±0.72 | 0.61±0.07 | 0.81±0.14a | 14.40±0.40a |
DZ | 20.04±0.27a | 4.69±0.04 | 7.74±0.76a | 2.59±0.65 | 0.40±0.11 | 0.04±0.02b | 9.75±0.23b |
MF | 21.43±0.72a | 4.46±0.03 | 6.55±0.67a | 1.25±0.10 | 0.30±0.03 | 0.21±0.04b | 11.63±0.89b |
显著性Significance | ** | NS | ** | NS | NS | * | * |
Table 2 Effects of different moisture-absorbing materials on fermentation quality of napier grass silage
处理 Treatment | DM (% FM) | pH | 乳酸 Lactic acid (% DM) | 乙酸 Acetic acid (% DM) | 丙酸 Propionic acid (% DM) | 丁酸 Butyric acid (% DM) | NH3-N (% TN) |
---|---|---|---|---|---|---|---|
CK | 13.68±0.47b | 4.47±0.15 | 4.95±1.65b | 1.51±0.11 | 0.35±0.17 | 0.17±0.09b | 11.30±1.78b |
MK | 20.51±0.50a | 4.55±0.11 | 7.81±0.11a | 1.71±0.16 | 0.15±0.15 | 0.11±0.04b | 9.94±0.23b |
XM | 20.18±0.15a | 4.61±0.02 | 7.65±1.22a | 2.92±0.72 | 0.61±0.07 | 0.81±0.14a | 14.40±0.40a |
DZ | 20.04±0.27a | 4.69±0.04 | 7.74±0.76a | 2.59±0.65 | 0.40±0.11 | 0.04±0.02b | 9.75±0.23b |
MF | 21.43±0.72a | 4.46±0.03 | 6.55±0.67a | 1.25±0.10 | 0.30±0.03 | 0.21±0.04b | 11.63±0.89b |
显著性Significance | ** | NS | ** | NS | NS | * | * |
处理Treatment | 乳酸菌Lactic acid bacteria | 好氧细菌Aerobic bacteria | 酵母Yeast | 霉菌Mold |
---|---|---|---|---|
CK | 4.65±0.25ab | 4.10±0.16 | ND | ND |
MK | 5.11±0.13a | 4.45±0.31 | ND | ND |
XM | 4.20±0.23b | 3.99±0.26 | ND | ND |
DZ | 4.52±0.22b | 3.99±0.08 | ND | ND |
MF | 4.39±0.11b | 4.19±0.15 | ND | ND |
显著性Significance | * | NS | - | - |
Table 3 Effects of different moisture-absorbing materials on the number of microorganisms of napier grass silage (log10 cfu·g-1 FM)
处理Treatment | 乳酸菌Lactic acid bacteria | 好氧细菌Aerobic bacteria | 酵母Yeast | 霉菌Mold |
---|---|---|---|---|
CK | 4.65±0.25ab | 4.10±0.16 | ND | ND |
MK | 5.11±0.13a | 4.45±0.31 | ND | ND |
XM | 4.20±0.23b | 3.99±0.26 | ND | ND |
DZ | 4.52±0.22b | 3.99±0.08 | ND | ND |
MF | 4.39±0.11b | 4.19±0.15 | ND | ND |
显著性Significance | * | NS | - | - |
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