Acta Prataculturae Sinica ›› 2022, Vol. 31 ›› Issue (4): 124-135.DOI: 10.11686/cyxb2021035
Di ZHOU1(), Shuai YANG1, Xin-xin ZHANG1, Jing YUAN1, Yan-xia GAO2, Jian-guo LI2, Bo WANG3, Guang-sheng ZHOU3, Ting-dong FU3, Jun YE4, Li-guo YANG1,5(), Guo-hua HUA1,5()
Received:
2021-01-26
Revised:
2021-03-22
Online:
2022-04-20
Published:
2022-01-25
Contact:
Li-guo YANG,Guo-hua HUA
Di ZHOU, Shuai YANG, Xin-xin ZHANG, Jing YUAN, Yan-xia GAO, Jian-guo LI, Bo WANG, Guang-sheng ZHOU, Ting-dong FU, Jun YE, Li-guo YANG, Guo-hua HUA. Effects of additive types and combinations on silage quality of whole-plant rape after harvesting and air-drying[J]. Acta Prataculturae Sinica, 2022, 31(4): 124-135.
项目Item | D | S | L | SL | SLB | SLC | C |
---|---|---|---|---|---|---|---|
玉米粉Corn (g) | - | - | - | - | - | 300 | 300 |
固体青贮菌剂 Solid bacterial agent (g) | - | 0.75 | - | 0.75 | 0.75 | 0.75 | - |
液体青贮菌剂 Liquid bacterial agent (mL) | - | - | 7.5 | 7.5 | 7.5 | 7.5 | - |
红糖 Brown sugar (g) | - | - | - | - | 120 | - | - |
水Water* (mL) | - | 60 | 60 | 60 | 60 | 60 | 60 |
Table 1 Experimental design of rape silage
项目Item | D | S | L | SL | SLB | SLC | C |
---|---|---|---|---|---|---|---|
玉米粉Corn (g) | - | - | - | - | - | 300 | 300 |
固体青贮菌剂 Solid bacterial agent (g) | - | 0.75 | - | 0.75 | 0.75 | 0.75 | - |
液体青贮菌剂 Liquid bacterial agent (mL) | - | - | 7.5 | 7.5 | 7.5 | 7.5 | - |
红糖 Brown sugar (g) | - | - | - | - | 120 | - | - |
水Water* (mL) | - | 60 | 60 | 60 | 60 | 60 | 60 |
项目 Item | 评定标准 Evaluation standards | 分值 Score |
---|---|---|
色泽 Color | 变色严重,呈墨绿色或黄色Serious discoloration, dark green or yellow | 0 |
略有色变,呈淡黄色或褐色 Slight color change, light yellow or brown | 1 | |
接近原料原色,烘干后呈淡褐色 Close to the original color of the raw material, light brown after drying | 2 | |
气味 Smell | 有很强的丁酸味或氨味,或几乎无酸味 Strong butyric acid or ammonia taste, or almost no sour taste | 2 |
丁酸味浓,或有刺鼻的焦糊臭味或霉味 Butyric acid taste strong, or has a pungent burnt smell or musty smell | 4 | |
有微弱的丁酸臭味,或较强的酸味,芳香味弱 Weak butyric odor, or a strong sour taste, weak aromatic taste | 10 | |
无丁酸臭味,芳香味浓或有明显的面包香味 No butyric odor, strong aroma or obvious bread aroma | 14 | |
质地 Texture | 茎叶腐烂或污染严重 The stems and leaves are rotted or heavily polluted | 0 |
茎叶结构保持极差,或发现轻度霉菌污染 The stem and leaf structure remains extremely poor, or mild mold contamination is found | 1 | |
茎叶结构破坏不严重 The damage of stem and leaf structure is not serious | 2 | |
茎叶结构清晰可见 Stem and leaf structure is clearly visible | 4 | |
等级 Grade | 1级优等Level 1 for excellent | 16~20 |
2级尚好Level 2 for good | 10~15 | |
3级中等Level 3 for medium | 5~9 | |
4级腐败Level 4 for corruption | 0~4 |
Table 2 Sensory evaluation standard for silage
项目 Item | 评定标准 Evaluation standards | 分值 Score |
---|---|---|
色泽 Color | 变色严重,呈墨绿色或黄色Serious discoloration, dark green or yellow | 0 |
略有色变,呈淡黄色或褐色 Slight color change, light yellow or brown | 1 | |
接近原料原色,烘干后呈淡褐色 Close to the original color of the raw material, light brown after drying | 2 | |
气味 Smell | 有很强的丁酸味或氨味,或几乎无酸味 Strong butyric acid or ammonia taste, or almost no sour taste | 2 |
丁酸味浓,或有刺鼻的焦糊臭味或霉味 Butyric acid taste strong, or has a pungent burnt smell or musty smell | 4 | |
有微弱的丁酸臭味,或较强的酸味,芳香味弱 Weak butyric odor, or a strong sour taste, weak aromatic taste | 10 | |
无丁酸臭味,芳香味浓或有明显的面包香味 No butyric odor, strong aroma or obvious bread aroma | 14 | |
质地 Texture | 茎叶腐烂或污染严重 The stems and leaves are rotted or heavily polluted | 0 |
茎叶结构保持极差,或发现轻度霉菌污染 The stem and leaf structure remains extremely poor, or mild mold contamination is found | 1 | |
茎叶结构破坏不严重 The damage of stem and leaf structure is not serious | 2 | |
茎叶结构清晰可见 Stem and leaf structure is clearly visible | 4 | |
等级 Grade | 1级优等Level 1 for excellent | 16~20 |
2级尚好Level 2 for good | 10~15 | |
3级中等Level 3 for medium | 5~9 | |
4级腐败Level 4 for corruption | 0~4 |
时间 Time | 项目 Item | D | S | L | SL | SLB | SLC | C |
---|---|---|---|---|---|---|---|---|
30 d | 颜色Color | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
气味Smell | 12.7 | 12.7 | 12.7 | 12.7 | 13.7 | 13.7 | 12.3 | |
质地Texture | 3.0 | 3.3 | 3.3 | 3.3 | 3.7 | 3.7 | 3.3 | |
综合评分Comprehensive score | 17.7 | 18.0 | 18.0 | 18.0 | 19.4 | 19.4 | 17.6 | |
等级Grade | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | |
45 d | 颜色Color | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
气味Smell | 13.0 | 12.7 | 12.7 | 12.7 | 13.3 | 13.7 | 12.7 | |
质地Texture | 3.0 | 3.3 | 3.3 | 3.3 | 3.7 | 3.7 | 3.0 | |
综合评分Comprehensive score | 18.0 | 18.0 | 18.0 | 18.0 | 19.0 | 19.4 | 17.7 | |
等级Grade | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | |
60 d | 颜色Color | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
气味Smell | 13.0 | 13.0 | 13.0 | 13.0 | 13.7 | 13.3 | 13.0 | |
质地Texture | 3.3 | 3.3 | 3.3 | 3.3 | 3.7 | 3.7 | 3.3 | |
综合评分Comprehensive score | 18.3 | 18.3 | 18.3 | 18.3 | 19.4 | 19.0 | 18.3 | |
等级Grade | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | |
75 d | 颜色Color | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
气味Smell | 12.7 | 12.7 | 12.7 | 12.7 | 13.0 | 12.7 | 12.7 | |
质地Texture | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.3 | 3.0 | |
综合评分Comprehensive score | 17.7 | 17.7 | 17.7 | 17.7 | 18.0 | 18.0 | 17.7 | |
等级Level | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | |
90 d | 颜色Color | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
气味Smell | 12.7 | 12.7 | 12.7 | 13.0 | 13.0 | 13.0 | 12.7 | |
质地Texture | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | |
综合评分Comprehensive score | 17.7 | 17.7 | 17.7 | 18.0 | 18.0 | 18.0 | 17.7 | |
等级Grade | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent |
Table 3 Comprehensive sensory evaluation of various treated rape silage after ensiling
时间 Time | 项目 Item | D | S | L | SL | SLB | SLC | C |
---|---|---|---|---|---|---|---|---|
30 d | 颜色Color | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
气味Smell | 12.7 | 12.7 | 12.7 | 12.7 | 13.7 | 13.7 | 12.3 | |
质地Texture | 3.0 | 3.3 | 3.3 | 3.3 | 3.7 | 3.7 | 3.3 | |
综合评分Comprehensive score | 17.7 | 18.0 | 18.0 | 18.0 | 19.4 | 19.4 | 17.6 | |
等级Grade | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | |
45 d | 颜色Color | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
气味Smell | 13.0 | 12.7 | 12.7 | 12.7 | 13.3 | 13.7 | 12.7 | |
质地Texture | 3.0 | 3.3 | 3.3 | 3.3 | 3.7 | 3.7 | 3.0 | |
综合评分Comprehensive score | 18.0 | 18.0 | 18.0 | 18.0 | 19.0 | 19.4 | 17.7 | |
等级Grade | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | |
60 d | 颜色Color | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
气味Smell | 13.0 | 13.0 | 13.0 | 13.0 | 13.7 | 13.3 | 13.0 | |
质地Texture | 3.3 | 3.3 | 3.3 | 3.3 | 3.7 | 3.7 | 3.3 | |
综合评分Comprehensive score | 18.3 | 18.3 | 18.3 | 18.3 | 19.4 | 19.0 | 18.3 | |
等级Grade | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | |
75 d | 颜色Color | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
气味Smell | 12.7 | 12.7 | 12.7 | 12.7 | 13.0 | 12.7 | 12.7 | |
质地Texture | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.3 | 3.0 | |
综合评分Comprehensive score | 17.7 | 17.7 | 17.7 | 17.7 | 18.0 | 18.0 | 17.7 | |
等级Level | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | |
90 d | 颜色Color | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
气味Smell | 12.7 | 12.7 | 12.7 | 13.0 | 13.0 | 13.0 | 12.7 | |
质地Texture | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | |
综合评分Comprehensive score | 17.7 | 17.7 | 17.7 | 18.0 | 18.0 | 18.0 | 17.7 | |
等级Grade | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent | 优等 Excellent |
项目 Item | 青贮时间 Silage time (d) | 含量Content | 标准误SEM | P值P value | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
D | S | L | SL | SLB | SLC | C | 平均 Mean | 时间 Time | 处理 Treatment | 时间×处理Time×treatment | |||
干物质DM (g·kg-1) | 30 | 294.2d | 299.8cd | 305.2cd | 330.3ab | 321.4bc | 346.0a | 352.6a | 321.4x | 2.554 | 0.177 | <0.001 | 0.005 |
60 | 322.2ab | 329.5ab | 322.5ab | 318.4ab | 316.0b | 338.0a | 338.1a | 326.4x | |||||
平均值Mean | 308.2C | 314.6BC | 313.8BC | 324.4B | 318.7BC | 342.0A | 345.4A | ||||||
标准误SEM | 4.778 | ||||||||||||
粗蛋白CP (%) | 30 | 8.58e | 8.80d | 8.89cd | 9.03b | 8.87cd | 8.91c | 9.24a | 8.91x | 0.008 | <0.001 | <0.001 | <0.001 |
60 | 8.90c | 9.09b | 9.42a | 9.40a | 9.03b | 8.88c | 8.59d | 9.05x | |||||
平均值Mean | 8.73E | 8.95CD | 9.16B | 9.22A | 8.98C | 8.90D | 8.91D | ||||||
标准误SEM | 0.031 | ||||||||||||
水溶性碳 水化合物WSC (g·kg-1 DM ) | 30 | 13.56a | 13.26a | 12.67a | 17.17a | 16.94a | 16.59a | 14.98a | 15.02y | 0.747 | 0.001 | 0.645 | 0.295 |
60 | 19.26a | 22.89a | 16.93a | 16.85a | 19.71a | 18.28a | 19.20a | 19.02x | |||||
平均值Mean | 16.41A | 18.07A | 14.80A | 17.01A | 18.32A | 17.44A | 17.09A | ||||||
标准误SEM | 1.398 | ||||||||||||
中性洗涤纤维NDF (g·kg-1 DM) | 30 | 479.4ab | 469.0ab | 463.9b | 480.2ab | 473.6ab | 472.1ab | 480.5a | 474.1x | 1.682 | <0.001 | 0.004 | <0.001 |
60 | 487.4a | 480.7a | 474.7ab | 468.0bc | 455.6c | 440.6d | 459.1c | 466.6y | |||||
平均值Mean | 483.4A | 474.9A | 469.3A | 474.1A | 464.6A | 456.3A | 469.8A | ||||||
标准误SEM | 3.147 | ||||||||||||
酸性洗涤纤维ADF (g·kg-1 DM) | 30 | 347.9a | 342.0a | 343.5a | 347.3a | 340.3a | 347.3a | 349.3a | 345.4x | 2.121 | 0.005 | 0.044 | 0.002 |
60 | 359.5a | 357.9a | 346.8ab | 335.8bc | 327.8cd | 316.2d | 329.3cd | 339.0x | |||||
平均值Mean | 353.7A | 349.9AB | 345.2ABC | 341.5ABCD | 334.1CD | 331.8D | 339.3BCD | ||||||
标准误SEM | 3.968 |
Table 4 The dry matter (DM), crude protein (CP), WSC, neutral detergent fiber (NDF) and acid detergent fiber (ADF) content of various treatment methods of silage rape in different periods
项目 Item | 青贮时间 Silage time (d) | 含量Content | 标准误SEM | P值P value | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
D | S | L | SL | SLB | SLC | C | 平均 Mean | 时间 Time | 处理 Treatment | 时间×处理Time×treatment | |||
干物质DM (g·kg-1) | 30 | 294.2d | 299.8cd | 305.2cd | 330.3ab | 321.4bc | 346.0a | 352.6a | 321.4x | 2.554 | 0.177 | <0.001 | 0.005 |
60 | 322.2ab | 329.5ab | 322.5ab | 318.4ab | 316.0b | 338.0a | 338.1a | 326.4x | |||||
平均值Mean | 308.2C | 314.6BC | 313.8BC | 324.4B | 318.7BC | 342.0A | 345.4A | ||||||
标准误SEM | 4.778 | ||||||||||||
粗蛋白CP (%) | 30 | 8.58e | 8.80d | 8.89cd | 9.03b | 8.87cd | 8.91c | 9.24a | 8.91x | 0.008 | <0.001 | <0.001 | <0.001 |
60 | 8.90c | 9.09b | 9.42a | 9.40a | 9.03b | 8.88c | 8.59d | 9.05x | |||||
平均值Mean | 8.73E | 8.95CD | 9.16B | 9.22A | 8.98C | 8.90D | 8.91D | ||||||
标准误SEM | 0.031 | ||||||||||||
水溶性碳 水化合物WSC (g·kg-1 DM ) | 30 | 13.56a | 13.26a | 12.67a | 17.17a | 16.94a | 16.59a | 14.98a | 15.02y | 0.747 | 0.001 | 0.645 | 0.295 |
60 | 19.26a | 22.89a | 16.93a | 16.85a | 19.71a | 18.28a | 19.20a | 19.02x | |||||
平均值Mean | 16.41A | 18.07A | 14.80A | 17.01A | 18.32A | 17.44A | 17.09A | ||||||
标准误SEM | 1.398 | ||||||||||||
中性洗涤纤维NDF (g·kg-1 DM) | 30 | 479.4ab | 469.0ab | 463.9b | 480.2ab | 473.6ab | 472.1ab | 480.5a | 474.1x | 1.682 | <0.001 | 0.004 | <0.001 |
60 | 487.4a | 480.7a | 474.7ab | 468.0bc | 455.6c | 440.6d | 459.1c | 466.6y | |||||
平均值Mean | 483.4A | 474.9A | 469.3A | 474.1A | 464.6A | 456.3A | 469.8A | ||||||
标准误SEM | 3.147 | ||||||||||||
酸性洗涤纤维ADF (g·kg-1 DM) | 30 | 347.9a | 342.0a | 343.5a | 347.3a | 340.3a | 347.3a | 349.3a | 345.4x | 2.121 | 0.005 | 0.044 | 0.002 |
60 | 359.5a | 357.9a | 346.8ab | 335.8bc | 327.8cd | 316.2d | 329.3cd | 339.0x | |||||
平均值Mean | 353.7A | 349.9AB | 345.2ABC | 341.5ABCD | 334.1CD | 331.8D | 339.3BCD | ||||||
标准误SEM | 3.968 |
项目 Item | 消化时间 Digest time (h) | 降解率Degradation rate (%) | 标准误SEM | P值P value | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
D | S | L | SL | SLB | SLC | C | 平均 Mean | 时间 Time | 处理 Treatment | 时间×处理 Time×treatment | |||
干物质DM | 12 | 48.97 | 48.28 | 47.55 | 47.14 | 48.05 | 49.74 | 48.16 | 48.25z | 1.148 | <0.001 | 0.341 | 0.828 |
24 | 54.79ab | 52.48ab | 49.03b | 48.28b | 54.14ab | 57.18a | 51.85ab | 52.57y | |||||
72 | 61.26 | 63.95 | 61.90 | 62.94 | 65.24 | 61.53 | 63.75 | 62.95x | |||||
平均值Mean | 55.01 | 55.05 | 52.50 | 52.79 | 55.26 | 56.15 | 54.58 | ||||||
标准误SEM | 1.818 | ||||||||||||
粗蛋白CP | 12 | 54.37 | 58.04 | 59.06 | 59.73 | 59.39 | 61.12 | 59.78 | 58.89z | 1.544 | <0.001 | 0.944 | 0.797 |
24 | 71.28 | 68.79 | 64.72 | 66.40 | 70.79 | 71.14 | 71.74 | 69.25y | |||||
72 | 74.45 | 75.46 | 75.51 | 76.32 | 75.84 | 73.45 | 73.42 | 74.92x | |||||
平均值Mean | 66.14 | 67.43 | 66.43 | 67.55 | 68.09 | 68.57 | 68.31 | ||||||
标准误SEM | 2.460 | ||||||||||||
中性洗涤纤维NDF | 12 | 16.19 | 16.76 | 15.04 | 14.80 | 22.50 | 20.46 | 22.10 | 17.89z | 1.232 | <0.001 | <0.001 | 0.316 |
24 | 30.32a | 20.72bcd | 17.89d | 19.14cd | 27.67ab | 25.54abc | 26.44ab | 24.07y | |||||
72 | 39.57b | 41.39ab | 39.28b | 40.24ab | 46.39a | 39.98b | 46.59a | 41.91x | |||||
平均值Mean | 28.70BC | 26.29C | 25.49C | 24.73C | 32.53AB | 28.66BC | 32.91A | ||||||
标准误SEM | 1.850 | ||||||||||||
酸性洗涤纤维ADF | 12 | 26.90 | 26.18 | 26.79 | 23.25 | 31.81 | 28.34 | 25.42 | 26.71z | 1.153 | <0.001 | 0.002 | 0.216 |
24 | 39.30a | 31.03bcd | 29.09d | 29.46cd | 36.69ab | 36.79ab | 35.28abc | 33.87y | |||||
72 | 45.67c | 48.40abc | 47.03bc | 46.89bc | 52.21ab | 48.06abc | 53.01a | 48.84x | |||||
平均值Mean | 36.70BC | 35.20BC | 35.10BC | 33.20C | 40.56A | 37.14AB | 37.90AB | ||||||
标准误SEM | 1.803 |
Table 5 Degradation rate of nutrient components in rumen for 12, 24 and 72 hours of silage rape under different treatments for 30 days
项目 Item | 消化时间 Digest time (h) | 降解率Degradation rate (%) | 标准误SEM | P值P value | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
D | S | L | SL | SLB | SLC | C | 平均 Mean | 时间 Time | 处理 Treatment | 时间×处理 Time×treatment | |||
干物质DM | 12 | 48.97 | 48.28 | 47.55 | 47.14 | 48.05 | 49.74 | 48.16 | 48.25z | 1.148 | <0.001 | 0.341 | 0.828 |
24 | 54.79ab | 52.48ab | 49.03b | 48.28b | 54.14ab | 57.18a | 51.85ab | 52.57y | |||||
72 | 61.26 | 63.95 | 61.90 | 62.94 | 65.24 | 61.53 | 63.75 | 62.95x | |||||
平均值Mean | 55.01 | 55.05 | 52.50 | 52.79 | 55.26 | 56.15 | 54.58 | ||||||
标准误SEM | 1.818 | ||||||||||||
粗蛋白CP | 12 | 54.37 | 58.04 | 59.06 | 59.73 | 59.39 | 61.12 | 59.78 | 58.89z | 1.544 | <0.001 | 0.944 | 0.797 |
24 | 71.28 | 68.79 | 64.72 | 66.40 | 70.79 | 71.14 | 71.74 | 69.25y | |||||
72 | 74.45 | 75.46 | 75.51 | 76.32 | 75.84 | 73.45 | 73.42 | 74.92x | |||||
平均值Mean | 66.14 | 67.43 | 66.43 | 67.55 | 68.09 | 68.57 | 68.31 | ||||||
标准误SEM | 2.460 | ||||||||||||
中性洗涤纤维NDF | 12 | 16.19 | 16.76 | 15.04 | 14.80 | 22.50 | 20.46 | 22.10 | 17.89z | 1.232 | <0.001 | <0.001 | 0.316 |
24 | 30.32a | 20.72bcd | 17.89d | 19.14cd | 27.67ab | 25.54abc | 26.44ab | 24.07y | |||||
72 | 39.57b | 41.39ab | 39.28b | 40.24ab | 46.39a | 39.98b | 46.59a | 41.91x | |||||
平均值Mean | 28.70BC | 26.29C | 25.49C | 24.73C | 32.53AB | 28.66BC | 32.91A | ||||||
标准误SEM | 1.850 | ||||||||||||
酸性洗涤纤维ADF | 12 | 26.90 | 26.18 | 26.79 | 23.25 | 31.81 | 28.34 | 25.42 | 26.71z | 1.153 | <0.001 | 0.002 | 0.216 |
24 | 39.30a | 31.03bcd | 29.09d | 29.46cd | 36.69ab | 36.79ab | 35.28abc | 33.87y | |||||
72 | 45.67c | 48.40abc | 47.03bc | 46.89bc | 52.21ab | 48.06abc | 53.01a | 48.84x | |||||
平均值Mean | 36.70BC | 35.20BC | 35.10BC | 33.20C | 40.56A | 37.14AB | 37.90AB | ||||||
标准误SEM | 1.803 |
项目 Item | 消化时间 Digest time (h) | 降解率Degradation rate (%) | 标准误SEM | P值P value | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
D | S | L | SL | SLB | SLC | C | 平均 Mean | 时间 Time | 处理 Treatment | 时间×处理 Time×treatment | |||
干物质 DM | 12 | 46.74c | 47.82bc | 49.49c | 49.27bc | 50.62bc | 57.61a | 54.06ab | 50.90z | 1.065 | <0.001 | <0.001 | 0.169 |
24 | 48.18c | 54.91bc | 56.09b | 56.56b | 65.67a | 67.51a | 57.88b | 58.11y | |||||
72 | 62.86d | 63.43d | 66.90cd | 68.66bc | 74.53a | 75.45a | 72.01ab | 69.12x | |||||
平均值Mean | 52.94E | 55.39DE | 57.49D | 58.16CD | 63.60B | 66.86A | 61.31BC | ||||||
标准误SEM | 1.641 | ||||||||||||
粗蛋白 CP | 12 | 50.59b | 63.35a | 62.65a | 66.10a | 67.10a | 67.71a | 63.86a | 63.59z | 0.954 | <0.001 | <0.001 | 0.049 |
24 | 66.73c | 68.45c | 72.64bc | 71.40bc | 77.41ab | 79.97a | 67.75c | 71.33y | |||||
72 | 74.36c | 78.05b | 80.31ab | 81.65ab | 83.40a | 83.40a | 80.25ab | 80.35x | |||||
平均值Mean | 64.97D | 70.04C | 72.39C | 73.05BC | 75.68AB | 77.26A | 70.20C | ||||||
标准误SEM | 1.431 | ||||||||||||
中性洗涤纤维 NDF | 12 | 14.26c | 18.45bc | 17.03bc | 16.73bc | 17.41bc | 27.73a | 24.12ab | 19.33z | 1.487 | <0.001 | <0.001 | 0.155 |
24 | 24.62c | 29.92c | 28.94c | 29.61c | 42.33ab | 45.03a | 32.74bc | 33.75y | |||||
72 | 42.45cd | 41.38d | 46.23cd | 48.69bc | 56.21a | 56.95a | 53.11ab | 49.46x | |||||
平均值Mean | 27.29C | 30.59C | 30.73C | 31.68C | 38.65B | 44.15A | 36.66B | ||||||
标准误SEM | 2.369 | ||||||||||||
酸性洗涤纤维 ADF | 12 | 23.74 | 25.42 | 22.40 | 23.53 | 24.87 | 30.90 | 28.61 | 25.53z | 1.344 | <0.001 | <0.001 | 0.262 |
24 | 38.74c | 40.58bc | 37.67c | 38.16c | 49.09ab | 51.65a | 40.51bc | 42.62y | |||||
72 | 49.77c | 48.98c | 52.58bc | 53.91bc | 61.15a | 62.27a | 58.02ab | 55.37x | |||||
平均值Mean | 37.21C | 39.94C | 38.44C | 39.42C | 45.03B | 49.30A | 44.10B | ||||||
标准误SEM | 2.135 |
Table 6 Degradation rate of nutrient components in rumen for 12, 24 and 72 hours of silage rape under different treatments for 60 days
项目 Item | 消化时间 Digest time (h) | 降解率Degradation rate (%) | 标准误SEM | P值P value | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
D | S | L | SL | SLB | SLC | C | 平均 Mean | 时间 Time | 处理 Treatment | 时间×处理 Time×treatment | |||
干物质 DM | 12 | 46.74c | 47.82bc | 49.49c | 49.27bc | 50.62bc | 57.61a | 54.06ab | 50.90z | 1.065 | <0.001 | <0.001 | 0.169 |
24 | 48.18c | 54.91bc | 56.09b | 56.56b | 65.67a | 67.51a | 57.88b | 58.11y | |||||
72 | 62.86d | 63.43d | 66.90cd | 68.66bc | 74.53a | 75.45a | 72.01ab | 69.12x | |||||
平均值Mean | 52.94E | 55.39DE | 57.49D | 58.16CD | 63.60B | 66.86A | 61.31BC | ||||||
标准误SEM | 1.641 | ||||||||||||
粗蛋白 CP | 12 | 50.59b | 63.35a | 62.65a | 66.10a | 67.10a | 67.71a | 63.86a | 63.59z | 0.954 | <0.001 | <0.001 | 0.049 |
24 | 66.73c | 68.45c | 72.64bc | 71.40bc | 77.41ab | 79.97a | 67.75c | 71.33y | |||||
72 | 74.36c | 78.05b | 80.31ab | 81.65ab | 83.40a | 83.40a | 80.25ab | 80.35x | |||||
平均值Mean | 64.97D | 70.04C | 72.39C | 73.05BC | 75.68AB | 77.26A | 70.20C | ||||||
标准误SEM | 1.431 | ||||||||||||
中性洗涤纤维 NDF | 12 | 14.26c | 18.45bc | 17.03bc | 16.73bc | 17.41bc | 27.73a | 24.12ab | 19.33z | 1.487 | <0.001 | <0.001 | 0.155 |
24 | 24.62c | 29.92c | 28.94c | 29.61c | 42.33ab | 45.03a | 32.74bc | 33.75y | |||||
72 | 42.45cd | 41.38d | 46.23cd | 48.69bc | 56.21a | 56.95a | 53.11ab | 49.46x | |||||
平均值Mean | 27.29C | 30.59C | 30.73C | 31.68C | 38.65B | 44.15A | 36.66B | ||||||
标准误SEM | 2.369 | ||||||||||||
酸性洗涤纤维 ADF | 12 | 23.74 | 25.42 | 22.40 | 23.53 | 24.87 | 30.90 | 28.61 | 25.53z | 1.344 | <0.001 | <0.001 | 0.262 |
24 | 38.74c | 40.58bc | 37.67c | 38.16c | 49.09ab | 51.65a | 40.51bc | 42.62y | |||||
72 | 49.77c | 48.98c | 52.58bc | 53.91bc | 61.15a | 62.27a | 58.02ab | 55.37x | |||||
平均值Mean | 37.21C | 39.94C | 38.44C | 39.42C | 45.03B | 49.30A | 44.10B | ||||||
标准误SEM | 2.135 |
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