草业学报 ›› 2025, Vol. 34 ›› Issue (6): 227-238.DOI: 10.11686/cyxb2024347
• 研究论文 • 上一篇
匡宗洋1(
), 穆麟1, 魏岚1, 郭阳1, 胥贵1, 陈瑶1, 石雪云1, 魏仲珊2, 张志飞1(
)
收稿日期:2024-09-09
修回日期:2024-10-31
出版日期:2025-06-20
发布日期:2025-04-03
通讯作者:
张志飞
作者简介:Corresponding author. E-mail: zhangzf@hunau.edu.cn基金资助:
Zong-yang KUANG1(
), Lin MU1, Lan WEI1, Yang GUO1, Gui XU1, Yao CHEN1, Xue-yun SHI1, Zhong-shan WEI2, Zhi-fei ZHANG1(
)
Received:2024-09-09
Revised:2024-10-31
Online:2025-06-20
Published:2025-04-03
Contact:
Zhi-fei ZHANG
摘要:
本试验基于南方玉米和大豆带状间作栽培模式,旨在探究不同混合比例和乳酸菌添加对玉米和大豆混合青贮品质及有氧稳定性的影响。将全株玉米和大豆分别刈割,粉碎后按比例进行添加剂混合青贮,设计双因素完全随机试验,因素A为玉米与大豆质量混合比例,分别为1∶0(A1)、2∶1(A2)、1∶1(A3)、1∶2(A4)和0∶1(A5);因素B为乳酸菌添加类型,分别为:布氏乳杆菌(LB)、植物乳杆菌(LP)、不添加乳酸菌(L0)。发酵60 d后分析营养品质、发酵品质和有氧稳定性。结果表明:不同混合比例和乳酸菌添加对玉米-大豆混合青贮的粗蛋白(CP)、中性洗涤纤维(NDF)、酸性洗涤木质素(ADL)、粗脂肪(EE)、粗灰分(Ash)含量、pH值、乳酸(LA)、乙酸(AA)、丙酸(PA)含量、氨态氮/总氮(NH3-N/TN)及有氧稳定时长均有极显著的交互作用(P<0.01)。A2和A3混合处理组的中性洗涤纤维、酸性洗涤纤维(ADF)及乳酸含量显著优于其他3个混合处理组(P<0.05)。与L0组相比,LP组中除A4混合处理组外,其他混合处理组的乳酸含量显著增加(P<0.05),粗灰分含量显著降低(P<0.05),除A5混合处理组外,其他混合处理组的pH值显著降低(P<0.05);LB组中所有混合处理组的酸性洗涤木质素显著降低(P<0.05),A1、A2和A3混合处理组的乙酸含量显著增加(P<0.05),同时有氧稳定时长增加。将各混合青贮处理组的11项核心指标进行灰色关联分析表明,所有处理组中加权关联度排名前三的为:A2LP、A3LB和A1LP,青贮效果好。综上,建议南方地区全株玉米-大豆混合青贮中,全株大豆质量占比应小于等于全株玉米质量占比,并添加植物乳杆菌(LP)提高青贮发酵品质。
匡宗洋, 穆麟, 魏岚, 郭阳, 胥贵, 陈瑶, 石雪云, 魏仲珊, 张志飞. 不同混合比例和乳酸菌添加对全株玉米和大豆混合青贮品质及有氧稳定性的影响[J]. 草业学报, 2025, 34(6): 227-238.
Zong-yang KUANG, Lin MU, Lan WEI, Yang GUO, Gui XU, Yao CHEN, Xue-yun SHI, Zhong-shan WEI, Zhi-fei ZHANG. Effects of different mixture ratios and lactic acid bacteria on the quality and aerobic stability of mixed silage made from whole maize (Zea mays) and soybean (Glycine max) plants[J]. Acta Prataculturae Sinica, 2025, 34(6): 227-238.
青贮材料 Ensilage materials | 干物质 Dry matter (%FW) | 粗蛋白 Crude protein (%DM) | 可溶性碳水化合物 Water soluble carbohydrate (%DM) | 中性洗涤纤维 Neutral detergent fiber (%DM) | 酸性洗涤纤维 Acid detergent fiber (%DM) | 粗脂肪 Ether extract (%DM) | 粗灰分 Crude ash (%DM) |
|---|---|---|---|---|---|---|---|
| 全株玉米Whole-plant maize | 37.84±0.33 | 9.81±0.37 | 6.74±0.29 | 45.10±1.00 | 19.90±0.98 | 1.29±0.18 | 4.92±0.06 |
| 全株大豆Whole-plant soybean | 29.85±0.37 | 20.74±0.36 | 5.56±0.04 | 43.42±1.47 | 28.15±0.94 | 7.11±0.56 | 9.30±0.13 |
表1 青贮原料化学成分
Table 1 Chemical composition of ensilage materials
青贮材料 Ensilage materials | 干物质 Dry matter (%FW) | 粗蛋白 Crude protein (%DM) | 可溶性碳水化合物 Water soluble carbohydrate (%DM) | 中性洗涤纤维 Neutral detergent fiber (%DM) | 酸性洗涤纤维 Acid detergent fiber (%DM) | 粗脂肪 Ether extract (%DM) | 粗灰分 Crude ash (%DM) |
|---|---|---|---|---|---|---|---|
| 全株玉米Whole-plant maize | 37.84±0.33 | 9.81±0.37 | 6.74±0.29 | 45.10±1.00 | 19.90±0.98 | 1.29±0.18 | 4.92±0.06 |
| 全株大豆Whole-plant soybean | 29.85±0.37 | 20.74±0.36 | 5.56±0.04 | 43.42±1.47 | 28.15±0.94 | 7.11±0.56 | 9.30±0.13 |
项目 Item | 指标 Index | 显著性 Significance | 大豆混合占比 Soybean mix proportion | ||
|---|---|---|---|---|---|
混合比例 Mixing ratio | 乳酸菌剂Lactic acid bacteria agent | 交互作用 Interactions | 相关性 Correlation# | ||
营养品质 Nutrient quality | 干物质Dry matter (%FW) | ** | ** | NS | -0.862** |
| 粗蛋白Crude protein (%DM) | ** | * | ** | 0.986** | |
| 可溶性碳水化合物Water soluble carbohydrate (%DM) | ** | ** | NS | -0.863** | |
| 中性洗涤纤维Neutral detergent fiber (%DM) | ** | ** | ** | -0.024 | |
| 酸性洗涤纤维Acid detergent fiber (%DM) | ** | ** | NS | 0.804** | |
| 酸性洗涤木质素Acid detergent lignin (%DM) | ** | ** | ** | 0.781** | |
| 粗脂肪Ether extract (%DM) | ** | ** | ** | 0.988** | |
| 粗灰分Crude ash (%DM) | ** | ** | ** | 0.977** | |
发酵品质 Fermentation quality | pH值pH value | ** | ** | ** | 0.876** |
| 乳酸Lactic acid (%DM) | ** | ** | ** | -0.447** | |
| 乙酸Acetic acid (%DM) | ** | ** | ** | 0.715** | |
| 丙酸Propionic acid (%DM) | ** | ** | ** | 0.698** | |
| 丁酸Butyric acid (%DM) | ** | NS | NS | 0.488** | |
| 氨态氮/总氮Ammonia-N/total-N (%) | ** | ** | ** | 0.796** | |
| 有氧稳定时长Aerobic stability time (h) | ** | ** | ** | 0.758** | |
表2 全株玉米-大豆混合青贮饲料指标的主体间效应检验
Table 2 Inter-subject effect test of whole maize-soybean mixed silage indexes
项目 Item | 指标 Index | 显著性 Significance | 大豆混合占比 Soybean mix proportion | ||
|---|---|---|---|---|---|
混合比例 Mixing ratio | 乳酸菌剂Lactic acid bacteria agent | 交互作用 Interactions | 相关性 Correlation# | ||
营养品质 Nutrient quality | 干物质Dry matter (%FW) | ** | ** | NS | -0.862** |
| 粗蛋白Crude protein (%DM) | ** | * | ** | 0.986** | |
| 可溶性碳水化合物Water soluble carbohydrate (%DM) | ** | ** | NS | -0.863** | |
| 中性洗涤纤维Neutral detergent fiber (%DM) | ** | ** | ** | -0.024 | |
| 酸性洗涤纤维Acid detergent fiber (%DM) | ** | ** | NS | 0.804** | |
| 酸性洗涤木质素Acid detergent lignin (%DM) | ** | ** | ** | 0.781** | |
| 粗脂肪Ether extract (%DM) | ** | ** | ** | 0.988** | |
| 粗灰分Crude ash (%DM) | ** | ** | ** | 0.977** | |
发酵品质 Fermentation quality | pH值pH value | ** | ** | ** | 0.876** |
| 乳酸Lactic acid (%DM) | ** | ** | ** | -0.447** | |
| 乙酸Acetic acid (%DM) | ** | ** | ** | 0.715** | |
| 丙酸Propionic acid (%DM) | ** | ** | ** | 0.698** | |
| 丁酸Butyric acid (%DM) | ** | NS | NS | 0.488** | |
| 氨态氮/总氮Ammonia-N/total-N (%) | ** | ** | ** | 0.796** | |
| 有氧稳定时长Aerobic stability time (h) | ** | ** | ** | 0.758** | |
混合 比例Mixing ratio | 乳酸菌剂 Lactic acid bacteria agent | 干物质 Dry matter (%FW) | 粗蛋白 Crude protein (%DM) | 可溶性碳水化合物 Water soluble carbohydrate (%DM) | 中性洗涤纤维 Neutral detergent fiber (%DM) | 酸性洗涤纤维 Acid detergent fiber (%DM) | 酸性洗涤木质素 Acid detergent lignin (%DM) | 粗脂肪 Ether extract (%DM) | 粗灰分 Crude ash (%DM) |
|---|---|---|---|---|---|---|---|---|---|
| A1 | LB | 33.99±0.42Ab | 8.34±0.10Eb | 1.42±0.14Aa | 48.58±0.68Ab | 23.49±1.90Cab | 1.56±0.21Db | 2.18±0.12Ea | 4.50±0.02Eb |
| LP | 36.53±0.39Aa | 8.57±0.22Eb | 1.18±0.09Aa | 48.21±1.27Ab | 21.05±1.59Db | 1.19±0.02Ec | 1.25±0.10Eb | 4.04±0.06Ec | |
| L0 | 34.49±0.63Ab | 9.38±0.23Ea | 1.43±0.13Aa | 51.95±1.13Aa | 24.89±0.39Ca | 2.39±0.12Ea | 2.27±0.04Ea | 4.73±0.03Ea | |
| A2 | LB | 32.63±0.47Bb | 14.09±0.08Da | 1.17±0.00Ba | 49.57±1.67Aa | 24.61±0.33Ca | 2.51±0.10Cb | 5.65±0.29Da | 6.34±0.07Da |
| LP | 34.99±0.70Ba | 13.91±0.75Da | 1.06±0.02Ab | 43.50±1.14Cb | 21.43±0.33Db | 1.96±0.06Dc | 4.31±0.25Db | 5.36±0.04Dc | |
| L0 | 33.90±1.10ABab | 13.55±0.30Da | 1.25±0.07Ba | 49.73±2.05ABa | 24.75±2.61Ca | 3.33±0.52Da | 4.80±0.05Db | 5.63±0.03Db | |
| A3 | LB | 32.03±0.66Bb | 17.20±0.09Ca | 0.95±0.07Ca | 43.48±0.43Ba | 23.37±1.13Ca | 2.86±0.20BCb | 6.97±0.53Ca | 6.80±0.06Ca |
| LP | 34.24±0.83Ba | 15.63±0.15Cb | 0.92±0.04Ba | 42.99±1.61Cb | 24.45±1.17Ca | 3.97±0.22Ca | 6.56±0.19Ca | 6.04±0.03Cc | |
| L0 | 33.56±0.74ABab | 15.31±0.03Cc | 0.90±0.04Ca | 44.04±1.36Ca | 23.92±0.82Ca | 3.85±0.30Ca | 6.68±0.20Ca | 6.25±0.11Cb | |
| A4 | LB | 31.86±0.72Bb | 19.07±0.30Ba | 0.89±0.07Ca | 51.19±1.27Aa | 28.25±1.61Ba | 3.99±0.35Ab | 8.19±0.16Ba | 7.34±0.02Ba |
| LP | 32.46±0.31Ca | 18.54±0.07Bb | 0.85±0.05BCa | 46.87±0.64ABb | 27.55±0.19Ba | 4.63±0.09Bb | 7.63±0.17Bb | 7.14±0.01Bb | |
| L0 | 32.13±1.06Ba | 17.46±0.04Bc | 0.84±0.04Ca | 47.62±1.53Bb | 29.89±0.60Ba | 6.27±0.32Ba | 7.24±0.01Bc | 7.07±0.04Bc | |
| A5 | LB | 28.69±0.10Cb | 21.46±0.23Ab | 0.83±0.02Ca | 49.86±1.05Aa | 32.48±1.75Aab | 3.14±0.33Bc | 11.41±0.17Aa | 9.19±0.13Aab |
| LP | 29.37±0.13Da | 21.89±0.08Aa | 0.75±0.05Ca | 45.30±0.97BCb | 29.97±0.63Ab | 6.38±0.18Ab | 10.21±0.02Aa | 9.03±0.02Ab | |
| L0 | 29.09±0.27Cab | 21.65±0.08Aab | 0.79±0.04Ca | 51.81±0.52Aa | 34.80±0.21Aa | 8.60±0.13Aa | 11.33±0.20Aa | 9.36±0.05Aa |
表3 全株玉米-大豆混合青贮营养品质
Table 3 Nutritional quality of whole maize-soybean mixed silage
混合 比例Mixing ratio | 乳酸菌剂 Lactic acid bacteria agent | 干物质 Dry matter (%FW) | 粗蛋白 Crude protein (%DM) | 可溶性碳水化合物 Water soluble carbohydrate (%DM) | 中性洗涤纤维 Neutral detergent fiber (%DM) | 酸性洗涤纤维 Acid detergent fiber (%DM) | 酸性洗涤木质素 Acid detergent lignin (%DM) | 粗脂肪 Ether extract (%DM) | 粗灰分 Crude ash (%DM) |
|---|---|---|---|---|---|---|---|---|---|
| A1 | LB | 33.99±0.42Ab | 8.34±0.10Eb | 1.42±0.14Aa | 48.58±0.68Ab | 23.49±1.90Cab | 1.56±0.21Db | 2.18±0.12Ea | 4.50±0.02Eb |
| LP | 36.53±0.39Aa | 8.57±0.22Eb | 1.18±0.09Aa | 48.21±1.27Ab | 21.05±1.59Db | 1.19±0.02Ec | 1.25±0.10Eb | 4.04±0.06Ec | |
| L0 | 34.49±0.63Ab | 9.38±0.23Ea | 1.43±0.13Aa | 51.95±1.13Aa | 24.89±0.39Ca | 2.39±0.12Ea | 2.27±0.04Ea | 4.73±0.03Ea | |
| A2 | LB | 32.63±0.47Bb | 14.09±0.08Da | 1.17±0.00Ba | 49.57±1.67Aa | 24.61±0.33Ca | 2.51±0.10Cb | 5.65±0.29Da | 6.34±0.07Da |
| LP | 34.99±0.70Ba | 13.91±0.75Da | 1.06±0.02Ab | 43.50±1.14Cb | 21.43±0.33Db | 1.96±0.06Dc | 4.31±0.25Db | 5.36±0.04Dc | |
| L0 | 33.90±1.10ABab | 13.55±0.30Da | 1.25±0.07Ba | 49.73±2.05ABa | 24.75±2.61Ca | 3.33±0.52Da | 4.80±0.05Db | 5.63±0.03Db | |
| A3 | LB | 32.03±0.66Bb | 17.20±0.09Ca | 0.95±0.07Ca | 43.48±0.43Ba | 23.37±1.13Ca | 2.86±0.20BCb | 6.97±0.53Ca | 6.80±0.06Ca |
| LP | 34.24±0.83Ba | 15.63±0.15Cb | 0.92±0.04Ba | 42.99±1.61Cb | 24.45±1.17Ca | 3.97±0.22Ca | 6.56±0.19Ca | 6.04±0.03Cc | |
| L0 | 33.56±0.74ABab | 15.31±0.03Cc | 0.90±0.04Ca | 44.04±1.36Ca | 23.92±0.82Ca | 3.85±0.30Ca | 6.68±0.20Ca | 6.25±0.11Cb | |
| A4 | LB | 31.86±0.72Bb | 19.07±0.30Ba | 0.89±0.07Ca | 51.19±1.27Aa | 28.25±1.61Ba | 3.99±0.35Ab | 8.19±0.16Ba | 7.34±0.02Ba |
| LP | 32.46±0.31Ca | 18.54±0.07Bb | 0.85±0.05BCa | 46.87±0.64ABb | 27.55±0.19Ba | 4.63±0.09Bb | 7.63±0.17Bb | 7.14±0.01Bb | |
| L0 | 32.13±1.06Ba | 17.46±0.04Bc | 0.84±0.04Ca | 47.62±1.53Bb | 29.89±0.60Ba | 6.27±0.32Ba | 7.24±0.01Bc | 7.07±0.04Bc | |
| A5 | LB | 28.69±0.10Cb | 21.46±0.23Ab | 0.83±0.02Ca | 49.86±1.05Aa | 32.48±1.75Aab | 3.14±0.33Bc | 11.41±0.17Aa | 9.19±0.13Aab |
| LP | 29.37±0.13Da | 21.89±0.08Aa | 0.75±0.05Ca | 45.30±0.97BCb | 29.97±0.63Ab | 6.38±0.18Ab | 10.21±0.02Aa | 9.03±0.02Ab | |
| L0 | 29.09±0.27Cab | 21.65±0.08Aab | 0.79±0.04Ca | 51.81±0.52Aa | 34.80±0.21Aa | 8.60±0.13Aa | 11.33±0.20Aa | 9.36±0.05Aa |
混合比例 Mixing ratio | 乳酸菌剂 Lactic acid bacteria agent | pH值 pH value | 乳酸 Lactic acid (%DM) | 乙酸 Acetic acid (%DM) | 丙酸 Propionic acid (%DM) | 丁酸 Butyric acid (%DM) | 氨态氮/总氮 Ammonia-N/ total-N (%) |
|---|---|---|---|---|---|---|---|
| A1 | LB | 4.01±0.00Ea | 5.02±0.41Ac | 2.61±0.94Ba | ND | 0.03±0.02Aa | 8.65±0.31Ba |
| LP | 3.60±0.01Ec | 10.42±0.14Ba | 0.39±0.01Db | 0.21±0.01Cb | ND | 4.63±0.41Cb | |
| L0 | 3.75±0.01Eb | 7.56±0.30Bb | 1.04±0.28Cb | 0.39±0.01Ba | ND | 4.72±0.31Cb | |
| A2 | LB | 4.27±0.00Da | 3.22±0.47Bc | 3.17±0.51ABa | 0.14±0.02Ba | ND | 8.40±0.15Ba |
| LP | 3.79±0.01Dc | 14.94±1.18Aa | 0.52±0.04Db | 0.15±0.11Ca | ND | 4.62±0.34Cb | |
| L0 | 3.93±0.01Db | 9.97±0.57Ab | 1.28±0.35Cb | 0.30±0.01Ba | ND | 5.24±0.55Cb | |
| A3 | LB | 4.40±0.00Ca | 4.83±0.60ABc | 2.83±0.21Ba | 0.14±0.01Bb | ND | 8.42±0.62Ba |
| LP | 3.91±0.02Cc | 14.60±6.88Aa | 0.78±0.04Cc | 1.26±0.22Ba | ND | 6.87±0.15Ba | |
| L0 | 4.07±0.01Cb | 10.31±0.51Ab | 2.39±0.08Bb | 0.29±0.02Bab | ND | 7.07±0.93Ba | |
| A4 | LB | 4.50±0.02Ba | 5.32±1.44Ab | 2.87±0.08Ba | 0.15±0.01Bb | ND | 8.90±0.57Ba |
| LP | 4.07±0.03Bc | 10.03±0.94Ba | 3.18±0.18Ba | ND | 0.06±0.05Ba | 7.38±0.31Bb | |
| L0 | 4.30±0.02Bb | 10.10±0.66Aa | 2.51±0.96Ba | 0.30±0.05Ba | ND | 7.90±0.06Bb | |
| A5 | LB | 5.14±0.01Ac | 1.09±0.04Cc | 4.02±0.05Ab | 1.72±0.09Aa | 0.05±0.03Aa | 15.62±0.32Aa |
| LP | 5.25±0.01Aa | 1.59±0.03Ca | 3.91±0.03Ab | 1.91±0.34Aa | 0.01±0.01Aa | 12.52±0.15Ac | |
| L0 | 5.20±0.01Ab | 1.31±0.11Cb | 4.34±0.17Aa | 1.79±0.10Aa | 0.12±0.01Aa | 13.62±0.33Ab |
表4 全株玉米-大豆混合青贮发酵品质
Table 4 Fermentation quality of whole maize-soybean mixed silage
混合比例 Mixing ratio | 乳酸菌剂 Lactic acid bacteria agent | pH值 pH value | 乳酸 Lactic acid (%DM) | 乙酸 Acetic acid (%DM) | 丙酸 Propionic acid (%DM) | 丁酸 Butyric acid (%DM) | 氨态氮/总氮 Ammonia-N/ total-N (%) |
|---|---|---|---|---|---|---|---|
| A1 | LB | 4.01±0.00Ea | 5.02±0.41Ac | 2.61±0.94Ba | ND | 0.03±0.02Aa | 8.65±0.31Ba |
| LP | 3.60±0.01Ec | 10.42±0.14Ba | 0.39±0.01Db | 0.21±0.01Cb | ND | 4.63±0.41Cb | |
| L0 | 3.75±0.01Eb | 7.56±0.30Bb | 1.04±0.28Cb | 0.39±0.01Ba | ND | 4.72±0.31Cb | |
| A2 | LB | 4.27±0.00Da | 3.22±0.47Bc | 3.17±0.51ABa | 0.14±0.02Ba | ND | 8.40±0.15Ba |
| LP | 3.79±0.01Dc | 14.94±1.18Aa | 0.52±0.04Db | 0.15±0.11Ca | ND | 4.62±0.34Cb | |
| L0 | 3.93±0.01Db | 9.97±0.57Ab | 1.28±0.35Cb | 0.30±0.01Ba | ND | 5.24±0.55Cb | |
| A3 | LB | 4.40±0.00Ca | 4.83±0.60ABc | 2.83±0.21Ba | 0.14±0.01Bb | ND | 8.42±0.62Ba |
| LP | 3.91±0.02Cc | 14.60±6.88Aa | 0.78±0.04Cc | 1.26±0.22Ba | ND | 6.87±0.15Ba | |
| L0 | 4.07±0.01Cb | 10.31±0.51Ab | 2.39±0.08Bb | 0.29±0.02Bab | ND | 7.07±0.93Ba | |
| A4 | LB | 4.50±0.02Ba | 5.32±1.44Ab | 2.87±0.08Ba | 0.15±0.01Bb | ND | 8.90±0.57Ba |
| LP | 4.07±0.03Bc | 10.03±0.94Ba | 3.18±0.18Ba | ND | 0.06±0.05Ba | 7.38±0.31Bb | |
| L0 | 4.30±0.02Bb | 10.10±0.66Aa | 2.51±0.96Ba | 0.30±0.05Ba | ND | 7.90±0.06Bb | |
| A5 | LB | 5.14±0.01Ac | 1.09±0.04Cc | 4.02±0.05Ab | 1.72±0.09Aa | 0.05±0.03Aa | 15.62±0.32Aa |
| LP | 5.25±0.01Aa | 1.59±0.03Ca | 3.91±0.03Ab | 1.91±0.34Aa | 0.01±0.01Aa | 12.52±0.15Ac | |
| L0 | 5.20±0.01Ab | 1.31±0.11Cb | 4.34±0.17Aa | 1.79±0.10Aa | 0.12±0.01Aa | 13.62±0.33Ab |
图3 全株玉米-大豆青贮营养品质与发酵品质相关性分析*表示在0.05水平上显著相关(P<0.05),**表示在0.01水平上极显著相关(P<0.01);红色圆圈表示正相关(0<r<1),蓝色圆圈表示负相关(-1<r<0);DM:干物质,CP:粗蛋白,WSC:可溶性碳水化合物,NDF:中性洗涤纤维,ADF:酸性洗涤纤维,ADL:酸性洗涤木质素,EE:粗脂肪,Ash:粗灰分,LA:乳酸,AA:乙酸,PA:丙酸,BA:丁酸,NH3-N/TN:氨态氮/总氮。* indicates a significant correlation at the 0.05 level (P<0.05), ** indicates a very significant correlation at the 0.01 level (P<0.01);The red circles represent positive correlations (0<r<1),while the blue circles represent negative correlations (-1<r<0);DM:Dry matter,CP:Crude protein,WSC:Water soluble carbohydrate,NDF:Neutral detergent fiber,ADF:Acid detergent fiber,ADL:Acid detergent lignin,EE:Ether extract,Ash:Crude ash,LA:Lactic acid,AA:Acetic acid,PA:Propionic acid,BA:Butyric acid,NH3-N/TN:Ammonia-N/total-N.
Fig.3 Correlation analysis between the nutrient quality and fermentation quality of whole maize-soybean silage
混合比例 Mixing ratio | 乳酸菌剂 Lactic acid bacteria agent | 加权关联度 Weighted correlation degree | 加权排名 Weighted ranking |
|---|---|---|---|
| A1 | LB | 0.595 | 10 |
| LP | 0.649 | 3 | |
| L0 | 0.555 | 12 | |
| A2 | LB | 0.618 | 8 |
| LP | 0.683 | 1 | |
| L0 | 0.570 | 11 | |
| A3 | LB | 0.670 | 2 |
| LP | 0.632 | 4 | |
| L0 | 0.631 | 5 | |
| A4 | LB | 0.597 | 9 |
| LP | 0.621 | 7 | |
| L0 | 0.625 | 6 | |
| A5 | LB | 0.516 | 15 |
| LP | 0.540 | 13 | |
| L0 | 0.521 | 14 |
表5 不同混合比例和乳酸菌添加剂组的关联度及排名
Table 5 Correlation and ranking of different mixing ratios and lactic acid bacteria additive groups
混合比例 Mixing ratio | 乳酸菌剂 Lactic acid bacteria agent | 加权关联度 Weighted correlation degree | 加权排名 Weighted ranking |
|---|---|---|---|
| A1 | LB | 0.595 | 10 |
| LP | 0.649 | 3 | |
| L0 | 0.555 | 12 | |
| A2 | LB | 0.618 | 8 |
| LP | 0.683 | 1 | |
| L0 | 0.570 | 11 | |
| A3 | LB | 0.670 | 2 |
| LP | 0.632 | 4 | |
| L0 | 0.631 | 5 | |
| A4 | LB | 0.597 | 9 |
| LP | 0.621 | 7 | |
| L0 | 0.625 | 6 | |
| A5 | LB | 0.516 | 15 |
| LP | 0.540 | 13 | |
| L0 | 0.521 | 14 |
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