1 玉米DDGS的加工工艺及产品类型
1.1 传统玉米DDGS
图1 玉米DDGS干法生产工艺与Pro Cap DDGS、DDGS-HPLincolnway生产工艺DDG:干酒糟 distillers dried grains;DDS:干酒糟可溶物 distillers dried solubles;DDGS:干酒糟及其可溶物 distillers dried grains with solubles;CO2:二氧化碳 carbon dioxide;DDGS-HPLincolnway:林肯威高蛋白质玉米干酒糟及其可溶物 Lincolnway high protein corn distillers dried grains with solubles;Pro Cap DDGS:Pro Cap玉米干酒糟及其可溶物 Pro Cap corn distillers dried grains with solubles。 Fig.1 Dry production process of corn DDGS and production process of Pro Cap DDGS and DDGS-HHPLincolnway[4,9,14] |
1.2 新型高蛋白质玉米DDGS
1.2.1 Pro Cap DDGS
1.2.2 林肯威高蛋白质玉米DDGS(DDGS-HPLincolnway)
2 玉米DDGS化学成分
表1 玉米DDGS的常规营养成分(干物质基础)Table 1 Conventional nutrient components of corn DDGS (DM basis) % |
| 项目 Items | NRC(2012)[12] | 中国饲料成 分及营养 价值表 (第35版)[26] | CVB(2023)[27] | Rostagno 等[28] | Feedstuffs[29] | Cristobal等[14] | Espinosa等[4] | Adeola等[30] | Park 等[31] | Hong 等[32] | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 高油DDGS High-oil DDGS | 中油 DDGS Medium-oil DDGS | 低油DDGS Low-oil DDGS | 中油 DDGS Medium-oil DDGS | 低油 DDGS Low-oil DDGS | Pro Cap DDGS | 提油 DDGS Oil-extracted DDGS | 高蛋白质 DDGS HP-DDGS | 传统 DDGS CV-DDGS | 高蛋白质 DDGS HP-DDGS | DDGS | |||||||||
| 粗蛋白质CP | 30.60 | 30.62 | 31.22 | 30.6 | 26.8 | 33.81 | 29.4 | 33.0 | 48.09 | 31.14 | 42.90 | 34.26 | 54.8 | 31.2 | 32.6 | 33.93 | |||
| 粗脂肪EE | 11.68 | 9.96 | 4.00 | 11.4 | 12.5 | 8.51 | 9.8 | 8.0 | 9.49 | 4.14 | 8.77 | 7.89 | 3.1 | 1.2 | 12.3 | 7.43 | |||
| 粗纤维CF | 7.91 | 9.98 | 6.94 | 9.1 | 6.7 | 8.8 | 9.2 | 8.0 | - | - | - | - | 4.1 | 8.3 | - | 8.41 | |||
| 粗灰分Ash | 4.60 | 4.52 | 5.20 | 5.0 | 4.4 | 3.80 | 4.9 | 6.3 | 7.38 | 5.11 | 2.79 | 4.36 | - | - | 5.45 | 4.95 | |||
| 中性洗涤纤维NDF | 36.39 | 34.09 | 37.82 | 43.5 | 28.8 | 53.77 | - | - | - | - | 36.84 | 42.70 | 31.8 | 41.8 | 36.2 | 35.14 | |||
| 酸性洗涤纤维ADF | 13.16 | 13.45 | 18.95 | 14.2 | 11.9 | 13.19 | - | - | - | - | 16.97 | 20.01 | 18.2 | 12.2 | 10.3 | 15.15 | |||
| 淀粉Starch | 7.54 | 10.78 | 11.2 | 4.8 | 4.1 | 3.4 | - | - | - | - | 2.77 | 4.30 | - | - | - | - | |||
| 钙Ca | 0.13 | 0.09 | 0.06 | 0.07 | 0.02 | - | 0.15 | 0.11 | 0.04 | 0.04 | - | - | 0.06 | 0.02 | - | - | |||
| 总磷TP | 0.28 | 0.67 | 0.85 | 0.90 | 0.82 | - | 0.93 | 0.99 | 0.77 | 1.01 | - | - | 0.28 | 0.87 | - | - | |||
| 有效磷AP | - | - | - | 0.56 | - | - | 0.60 | 0.59 | - | - | - | - | - | - | - | - | |||
DDGS:干酒糟及其可溶物。原参考文献数据已进行换算,且小数点后位数与原文献保持一致,表中“-”表示无数据。下表同。 | |
DDGS:distillers dried grains with solubles. The original reference data have been converted, and the number of decimal places remains consistent with that in the original literature, the symbol “-” in the table represents no data. The same as below. |
表2 玉米DDGS中氨基酸含量(干物质基础)Table 2 Amino acid contents of corn DDGS (DM basis) % |
| 项目 Items | NRC(2012)[12] | 中国饲料 成分及营 养价值表 (第35版)[26] | CVB (2023)[27] | Rostagno 等[28] | Feedstuffs[29] | Cristobal等[14] | Espinosa等[4] | Adeola等[30] | Park 等[31] | Hong 等[32] | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 高油 DDGS High-oil DDGS | 中油 DDGS Medium-oil DDGS | 低油 DDGS Low-oil DDGS | 中油 DDGS Medium-oil DDGS | 低油 DDGS Low-oil DDGS | Pro Cap DDGS | 提油 DDGS Oil-extracted DDGS | 高蛋白质 DDGS HP-DDGS | 传统 DDGS CV-DDGS | 高蛋白质 DDGS HP-DDGS | DDGS | |||||||||||||||||||||||||
| 粗蛋白质CP | 30.06 | 30.62 | 31.22 | 30.6 | 26.8 | 33.8 | 29.3 | 33.0 | 48.09 | 31.14 | 42.90 | 30.77 | 54.8 | 31.2 | 32.6 | 33.93 | |||||||||||||||||||
| 必需氨基酸EAA | |||||||||||||||||||||||||||||||||||
| 精氨酸Arg | 1.30 | 1.38 | 1.47 | 1.25 | 1.10 | 1.32 | 1.2 | 1.5 | 2.47 | 1.35 | 1.88 | 1.57 | 1.77 | 1.52 | 1.49 | 1.65 | |||||||||||||||||||
| 组氨酸His | 0.79 | 0.83 | 0.92 | 0.83 | 0.67 | 0.92 | 0.71 | 0.84 | 1.40 | 0.78 | 1.12 | 0.92 | 1.56 | 0.96 | 0.86 | 0.96 | |||||||||||||||||||
| 异亮氨酸Ile | 1.14 | 1.19 | 1.14 | 1.08 | 1.07 | 1.25 | 1.1 | 1.1 | 2.03 | 1.13 | 1.84 | 1.40 | 2.19 | 1.19 | 1.34 | 1.35 | |||||||||||||||||||
| 亮氨酸Leu | 3.50 | 3.64 | 4.08 | 3.48 | 3.19 | 4.38 | 3.0 | 3.4 | 5.57 | 3.24 | 5.08 | 3.92 | 7.69 | 3.68 | 3.59 | 3.85 | |||||||||||||||||||
| 赖氨酸Lys | 0.86 | 1.01 | 0.76 | 0.78 | 0.64 | 0.85 | 0.9 | 1.1 | 1.89 | 1.03 | 1.65 | 1.24 | 1.21 | 1.18 | 0.60 | 1.20 | |||||||||||||||||||
| 蛋氨酸Met | 0.62 | 0.64 | 0.56 | 0.64 | 0.27 | 0.42 | 0.55 | 0.65 | 1.09 | 0.54 | 0.81 | 0.63 | 1.12 | 0.61 | 1.02 | 0.63 | |||||||||||||||||||
| 苯丙氨酸Phe | 1.50 | 1.53 | 1.89 | 1.42 | 1.34 | 1.72 | 1.3 | 1.6 | 2.51 | 1.33 | 2.35 | 1.93 | 2.81 | 1.47 | 1.58 | 1.56 | |||||||||||||||||||
| 苏氨酸Thr | 1.11 | 1.11 | 1.09 | 1.10 | 0.96 | 1.19 | 1.00 | 1.20 | 1.89 | 1.09 | 1.61 | 1.33 | 1.91 | 1.16 | 1.24 | 1.30 | |||||||||||||||||||
| 色氨酸Trp | 0.24 | 0.22 | 0.20 | 0.23 | 0.19 | 0.18 | 0.2 | 0.2 | 0.49 | 0.20 | 0.35 | 0.30 | 0.28 | 0.24 | 0.26 | 0.26 | |||||||||||||||||||
| 缬氨酸Val | 1.51 | 1.56 | 1.50 | 1.47 | 1.34 | 1.67 | 1.45 | 1.68 | 2.84 | 1.46 | 2.39 | 1.91 | 2.85 | 1.70 | 1.65 | 1.74 | |||||||||||||||||||
| 非必需氨基酸NEAA | |||||||||||||||||||||||||||||||||||
| 丙氨酸Ala | 2.16 | 2.38 | 2.39 | - | 1.93 | 2.54 | - | - | 3.14 | 2.00 | 2.98 | 2.35 | 4.45 | 2.31 | 2.17 | 2.19 | |||||||||||||||||||
| 天冬氨酸Asp | 2.04 | 2.25 | 2.06 | - | 1.82 | 1.20 | - | - | 3.38 | 1.94 | 2.82 | 2.19 | 2.98 | 1.98 | 4.10 | 2.17 | |||||||||||||||||||
| 半胱氨酸Cys | 0.57 | 0.49 | 0.57 | - | 0.52 | 0.5 | 0.7 | 1.00 | 0.57 | 0.80 | 0.66 | 0.92 | 0.59 | 0.65 | - | ||||||||||||||||||||
| 谷氨酸Glu | 4.87 | 5.99 | 4.77 | - | 4.85 | 2.47 | - | - | 7.52 | 4.32 | 6.49 | 4.43 | 7.33 | 4.27 | 7.05 | 0.45 | |||||||||||||||||||
| 甘氨酸Gly | 1.16 | 1.26 | 1.32 | - | 1.04 | 1.22 | - | - | 2.06 | 1.17 | 1.68 | 1.51 | 1.73 | 1.32 | 1.28 | 1.30 | |||||||||||||||||||
| 脯氨酸Pro | 2.34 | 2.64 | 2.36 | - | 2.11 | 3.10 | - | - | 3.52 | 2.21 | - | - | 4.21 | 2.30 | 2.42 | 2.74 | |||||||||||||||||||
| 丝氨酸Ser | 1.32 | 1.57 | 1.46 | - | 1.23 | 1.53 | - | - | 2.20 | 1.29 | 1.69 | 1.43 | 2.16 | 1.29 | 1.17 | 1.47 | |||||||||||||||||||
| 酪氨酸Tyr | 1.16 | 1.37 | 1.27 | - | - | 1.13 | - | - | 1.90 | 0.97 | 1.69 | 1.33 | 2.20 | 1.11 | 1.42 | 1.25 | |||||||||||||||||||
3 玉米DDGS对猪的营养价值
表3 玉米DDGS的猪有效能值(干物质基础)Table 3 Available energy value of corn DDGS (DM basis) kcal/kg |
| 项目 Items | NRC(2012)[12] | 中国饲料成 分及营养 价值表(第 35版)[26] | CVB (2023)[27] | Rostagno等[28] | Feedstuffs[29] | Cristobal等[14] | Espinosa等[4] | 李平[9] | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 高油 DDGS High-oil DDGS | 中油 DDGS Medium-oil DDGS | 低油 DDGS Low-oil DDGS | 猪Pigs (6%~9%) | 母猪Sows (6%~9%) | 中油 DDGS Medium-oil DDGS | 低油 DDGS Low-oil DDGS | Pro Cap DDGS | 提油 DDGS Oil-extracted DDGS | 高蛋白质 DDGS HP-DDGS | 传统 DDGS CV-DDGS | 全油 DDGS Full-oil DDGS | 提油 DDGS oil-extracted DDGS | |||||||||||||||||
| 总能GE | 5 429 | 5 271 | 5 712 | - | - | 5 298 | - | - | - | 5 100 | 4 471 | - | - | 5 330 | 4 914 | ||||||||||||||
| 消化能DE | 4 053 | 4 009 | 3 687 | 3 909 | - | 3 462 | 3 748 | - | - | 4 945 | 3 667 | 4 424 | 4 148 | 3 848 | 3 609 | ||||||||||||||
| 代谢能ME | 3 845 | 3 801 | 3 476 | 3 523 | - | 3 248 | 3 490 | 3 587 | 3 532 | 4 669 | 3 454 | 4 275 | 3 983 | 3 590 | 3 260 | ||||||||||||||
| 净能NE | 2 669 | 2 622 | 2 251 | 2 555 | 2 444 | 2 184 | 2 360 | - | - | - | - | - | - | 2 733 | 2 446 | ||||||||||||||
表4 玉米DDGS的猪氨基酸标准回肠末端消化率Table 4 Standardized ileal digestibility of amino acids of corn DDGS % |
| 项目 Items | NRC(2012)[12] | 中国饲料成 分及营养 价值表 (第35版)[26] | CVB (2023)[27] | Cristobal等[14] | Espinosa等[4] | Park等[31] | Adeola等[30] | 李平[9] | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 高油DDGS High-oil DDGS | 低油DDGS Low-oil DDGS | Pro Cap DDGS | 提油DDGS Oil-extracted DDGS | 高蛋白质 DDGS HP-DDGS | 传统 DDGS CV-DDGS | 高蛋白质 DDGS HP-DDGS | DDGS | 全油DDGS Full-oil DDGS | 提油DDGS Oil-extracted DDGS | |||||||
| 粗蛋白质CP | 74 | 74 | 74 | 60 | 84.4 | 70.7 | 78.7 | 77.0 | 77.7 | - | - | 73.95 | 68.62 | |||
| 必需氨基酸EAA | ||||||||||||||||
| 精氨酸Arg | 81 | 81 | 81 | 63 | 92.0 | 79.1 | 87.4 | 89.4 | 83.9 | 96.0 | 93.1 | 83.86 | 81.17 | |||
| 组氨酸His | 78 | 78 | 78 | 78 | 88.1 | 72.6 | 82.2 | 79.6 | 77.3 | 91.7 | 89.1 | 76.51 | 70.73 | |||
| 异亮氨酸Ile | 76 | 76 | 76 | 76 | 87.3 | 73.6 | 81.9 | 78.4 | 77.7 | 92.4 | 89.6 | 80.68 | 74.10 | |||
| 亮氨酸Leu | 84 | 84 | 84 | 85 | 89.8 | 82.6 | 89.2 | 84.7 | 86.5 | 94.1 | 92.0 | 87.65 | 82.57 | |||
| 赖氨酸Lys | 61 | 61 | 61 | 63 | 84.8 | 60.2 | 76.2 | 69.5 | 52.4 | 85.8 | 79.9 | 66.12 | 56.16 | |||
| 蛋氨酸Met | 82 | 82 | 82 | 83 | 89.4 | 80.1 | 87.2 | 83.3 | 85.6 | 94.6 | 92.8 | 84.46 | 80.01 | |||
| 苯丙氨酸Phe | 81 | 81 | 81 | 82 | 89.4 | 79.7 | 85.5 | 81.8 | 83.0 | 93.6 | 90.7 | 86.01 | 82.31 | |||
| 苏氨酸Thr | 71 | 71 | 71 | 71 | 82.6 | 66.7 | 75.0 | 73.7 | 70.7 | 93.5 | 88.4 | 70.97 | 65.59 | |||
| 色氨酸Trp | 71 | 71 | 71 | 74 | 90.2 | 76.4 | 79.5 | 80.2 | 81.5 | 97.0 | 92.6 | 65.06 | 54.90 | |||
| 缬氨酸Val | 75 | 75 | 75 | 76 | 85.3 | 70.5 | 81.1 | 77.6 | 77.0 | 92.3 | 88.4 | 78.25 | 71.95 | |||
| 非必需氨基酸NEAA | ||||||||||||||||
| 丙氨酸Ala | 79 | 79 | - | 80 | 85.7 | 77.3 | 84.5 | 81.8 | 82.3 | 94.1 | 91.4 | 80.20 | 75.84 | |||
| 天冬氨酸Asp | 69 | 69 | - | 69 | 81.7 | 65.4 | 72.9 | 71.8 | 69.8 | 91.2 | 86.0 | 68.84 | 63.11 | |||
| 半胱氨酸Cys | 73 | 73 | - | - | 83.9 | 68.8 | 74.9 | 73.2 | 72.2 | 90.8 | 87.3 | 76.27 | 71.74 | |||
| 谷氨酸Glu | 81 | 81 | - | 82 | 89.3 | 79.7 | 87.5 | 83.1 | 84.6 | 93.7 | 91.6 | 71.34 | 61.87 | |||
| 甘氨酸Gly | 64 | 64 | - | 67 | 75.5 | 58.7 | 71.2 | 77.3 | 71.7 | 99.2 | 90.7 | 69.69 | 65.61 | |||
| 脯氨酸Pro | 74 | 74 | - | 76 | 72.5 | 71.6 | - | - | 96.1 | 103.9 | 101.8 | 84.04 | 82.49 | |||
| 丝氨酸Ser | 77 | 77 | - | 77 | 86.3 | 73.5 | 81.8 | 80.9 | 77.7 | 95.1 | 91.0 | 92.70 | 90.71 | |||
| 酪氨酸Tyr | 81 | 81 | 81 | - | 90.3 | 81.9 | 86.5 | 83.9 | 86.0 | 94.2 | 91.9 | 87.59 | 84.89 | |||
表5 玉米DDGS的猪有效能值预测方程(干物质基础)Table 5 Effective energy prediction equation of corn DDGS for pigs (DM basis) |
| 序号 No. | 参考文献 References | 生长阶段及初始体重 Growth stage and initial body weight | 方程 Equations | 决定系数 R2 |
|---|---|---|---|---|
1 | Pedersen等[46] | 生长猪 (29.3±0.42) kg | DE(kcal/kg)=-12 220-(111.21×Ash%)+(26.52×CP%)- (10.35×Starch%)-(127.05×EE%)-(154.95× ADF%)+(3.550×GE%) | 0.99 |
| ME(kcal/kg)=-10 267-(175.78×Ash%)+(23.09×CP%)- (71.22×EE%)-(137.93×ADF%)+(3.036×GE%) | 0.99 | |||
2 | Anderson等[47] | 育肥猪 (112.7±7.9) kg | DE(kcal/kg)=-7 471+(1.94×GE%)-(50.91×EE%)+(15.20×Total starch%)+(18.04×Organic matter digestibility%) | 0.90 |
| ME(kcal/kg)=(0.90×GE%)-(29.95×TDF%) | 0.72 | |||
3 | Kerr等[48] | 生长猪 (45.3±4.2) kg | DE(kcal/kg)=1 601-(54.48×TDF%)+(0.69×GE%)+(731.5×BD) | 0.91 |
| ME(kcal/kg)=4 558+(52.26×EE%)-(50.08×TDF%) | 0.85 | |||
4 | 李平[9] | 生长猪 (42.6±6.2) kg | DE(kcal/kg)=4 338-(36.75×NDF%)+(32.99×CP%)- (67.10×CF%) | 0.95 |
| ME(kcal/kg)=4 066-(46.30×NDF%)+(45.80×CP%)- (106.19×Ash%) | 0.94 | |||
| NE(kcal/kg)=-740.49- 43.82×CF%+161.98×Ash%+0.765×DE | 1.00 | |||
5 | Huang等[49] | 生长猪 | DE(kcal/kg)=854.5+(3.6×DIG DM%)+(3.7×DIG EE%)+ (2.0×DIG NDF%) | 0.83 |
| ME(kcal/kg)=704.5+(3.3×DIG DM%)+(4.8×DIG EE%)+ (2.6×DIG NDF%) | 0.76 | |||
6 | Zeng等[50] | 生长猪(90 kg) | DE(kcal/kg)=2 175-3.07×uNDFom8%-1.50×uNDFom72%+ 0.55×GE% | 0.94 |
| ME(kcal/kg)=1 643-2.31×uNDFom8%-2.54×uNDFom72%+ 0.65×GE%-1.42×CP% | 0.94 |
GE:总能 gross energy;DE:消化能 digestible energy;ME:代谢能 metabolizable energy;NE:净能 net energy;Ash:粗灰分 crude ash;CP:粗蛋白质 crude protein;Starch:淀粉;EE:粗脂肪 ether extract;ADF:酸性洗涤纤维 acid detergent fiber;NDF:中性洗涤纤维 neutral detergent fiber;Total starch:总淀粉;Organic matter digestibility:有机物消化率;TDF:总膳食纤维 total dietary fiber;BD:容重 bulk density;CF:粗纤维 crude fiber;DIG:可消化 digestible;DM:干物质 dry matter;uNDFom:NDF不可发酵部分 unfermentable neutral detergent fiber。 |

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