1 材料与方法
1.1 试验设计和饲养管理
表1 基础饲粮组成及营养水平(风干基础)Table 1 Composition and nutrient levels of the basal diet (air-dry basis) % |
| 项目Items | 含量Content |
|---|---|
| 原料Ingredients | |
| 玉米秸杆Corn straw | 15.00 |
| 柠条Caragana microphylla | 5.50 |
| 玉米Corn | 50.00 |
| 麸皮Bran | 8.00 |
| 豆粕Soybean meal | 5.50 |
| 棉籽粕Cottonseed meal | 7.00 |
| 玉米干酒糟及其可溶物Corn DDGS | 2.00 |
| 植物油Vegetable oil | 2.00 |
| 石粉Limestone | 1.00 |
| 预混料Premix1) | 2.00 |
| 小苏打NaHCO3 | 1.00 |
| 食盐NaCl | 1.00 |
| 合计Total | 100.00 |
| 营养水平Nutrient levels2) | |
| 代谢能ME/(MJ/kg) | 11.63 |
| 干物质DM | 86.50 |
| 粗蛋白质CP | 14.19 |
| 粗脂肪EE | 6.87 |
| 钙Ca | 0.59 |
| 磷P | 0.40 |
| 中性洗涤纤维NDF | 25.71 |
| 非纤维性碳水化合物NFC | 47.68 |
1)每千克预混料含有 One kilogram of premix contained the following:Fe (FeSO4·7H2O) 170 g,Cu (CuSO4·5H2O) 70 g,Mn (MnSO4·5H2O) 290 g,Zn (ZnSO4·7H2O) 240 g,Co (CoCl2·6H2O) 510 mg,KI 200 mg,NaSeO3 130 mg,VA 1 620 000 IU,VD3 324 000 IU,VE 540 IU,VK3 150 mg,VB12 0.9 mg,VB5 450 mg。 |
1.2 样品采集
1.3 检测指标及方法
1.3.1 生长性能和营养物质表观消化率
非纤维性碳水化合物(%)=有机物-粗蛋白质-粗脂肪-中性洗涤纤维;
营养物质表观消化率(%)=[(食入该营养物质含量-粪中该营养物质含量)/食入该营养物质含量]×100。
1.3.2 肠道组织结构
1.3.3 实时荧光定量PCR
表2 实时荧光定量PCR引物信息Table 2 Real-time fluorescent quantitative PCR primer information |
| 基因 Genes | GenBank编号 GenBank ID | 引物序列 Primer sequences (5'—3') | 产物长度 Product length/bp |
|---|---|---|---|
| 甘油醛-3-磷酸脱氢酶 GAPDH | NM_001190390.1 | F:CCACGGCACAGTCAAGGCAGAGAAC R:CTCAGCACCAGCATCACCCCACTTG | 112 |
| 闭合蛋白 Occludin | XM_015101255.3 | F:GCCTGTGTTGCCTCCACTCTTG R:CCGTAGCCATAACCATAGCCATAGC | 131 |
| 闭锁小带蛋白-1 ZO-1 | XM_042235166.1 | F:TCCTGATCCTGAACCTGTGTCTGAG R:CTCCCGACTGGCACTCCTATCTC | 139 |
| 封闭蛋白-1 Claudin-1 | XM_042230568.1 | F:TTCCACCGTAATGACCCTCCAGAG R:AAGGCACATCATTCCACCACAAGAG | 110 |
1.3.4 胃肠道菌群多样性
1.4 数据分析
2 结果
2.1 复合添加剂对断奶羔羊生长性能的影响
表3 复合添加剂对断奶羔羊生长性能的影响Table 3 Effects of compound additives on growth performance of weaned lambs |
| 项目 Items | 1组 Group 1 | 2组 Group 2 | 3组 Group 3 | 4组 Group 4 | 5组 Group 5 | P值 P-value |
|---|---|---|---|---|---|---|
| 初始体重 Initial body weight/kg | 30.51±0.80 | 29.35±0.73 | 30.00±0.73 | 29.74±0.73 | 30.65±0.84 | 0.738 |
| 第30天体重 Body weight on day 30/kg | 38.76±0.78 | 36.94±0.88 | 38.99±0.81 | 37.43±0.73 | 38.68±0.96 | 0.319 |
| 第60天体重 Body weight on day 60/kg | 42.38±0.78 | 44.76±0.86 | 42.71±0.74 | 41.63±0.97 | 42.71±0.96 | 0.140 |
| 平均日增重 Average daily gain/g | 129.01±9.58c | 202.44±12.83a | 137.36±9.87c | 163.06±9.25b | 157.00±9.98b | <0.001 |
同行数据肩标不同小写字母表示差异显著(P<0.05),相同或无字母表示差异不显著(P>0.05)。下表同。 | |
In the same row, values with different small letter superscripts mean significant difference (P<0.05), while with the same or no letter superscripts mean no significant difference (P>0.05). The same as below. |
2.2 复合添加剂对断奶羔羊营养物质表观消化率的影响
表4 复合添加剂对断奶羔羊营养物质表观消化率的影响Table 4 Effects of compound additives on nutrient apparent digestibility of weaned lambs % |
| 项目 Items | 组别Groups | P值 P-value | ||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 干物质DM | 65.85±2.14 | 68.42±1.13 | 67.61±1.41 | 66.25±0.57 | 68.13±1.73 | 0.312 |
| 粗蛋白质CP | 71.35±0.21c | 77.40±0.35a | 72.27±0.26b | 73.41±0.36b | 74.64±0.48b | 0.035 |
| 粗脂肪EE | 71.52±0.24 | 73.68±1.10 | 72.62±0.82 | 72.43±0.30 | 72.73±0.27 | 0.660 |
| 酸性洗涤纤维ADF | 40.22±0.42c | 46.51±0.27a | 44.66±0.34ab | 46.39±0.47a | 44.44±0.34ab | 0.043 |
| 中性洗涤纤维NDF | 51.18±0.43c | 55.32±0.21a | 53.94±0.25bc | 56.43±0.17a | 54.55±0.28ab | 0.039 |
| 钙Ca | 51.34±0.14 | 53.79±0.23 | 51.65±0.39 | 51.45±0.22 | 53.61±0.26 | 0.637 |
| 磷P | 36.11±0.10 | 38.72±0.16 | 37.35±0.27 | 37.50±0.14 | 37.16±0.28 | 0.731 |
| 粗灰分Ash | 61.44±0.39 | 63.20±0.43 | 61.60±0.17 | 62.80±0.19 | 62.56±0.23 | 0.468 |
2.3 复合添加剂对断奶羔羊肠道组织结构的影响
图1 复合添加剂对断奶羔羊肠道组织结构的影响Fig.1 Effects of compound additives on intestinal morphology of weaned lambs |
表5 复合添加剂对断奶羔羊肠道组织结构的影响Table 5 Effects of compound additives on intestinal morphology of weaned lambs |
| 项目 Items | 组别Groups | P值 P-value | ||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 空肠Jejunum | ||||||
| 绒毛高度Villus height/μm | 463.47±16.93 | 465.29±29.69 | 482.82±21.72 | 453.16±30.83 | 458.68±25.16 | 0.394 |
| 隐窝深度Crypt depth/μm | 257.66±32.01a | 165.38±23.11b | 257.59±24.21a | 221.17±19.99ab | 235.98±24.25ab | 0.035 |
| 绒毛高度/隐窝深度 Villus height/crypt depth | 1.53±0.10c | 2.87±0.24a | 1.84±1.27b | 1.85±0.35b | 1.85±0.29b | <0.001 |
| 回肠Ileum | ||||||
| 绒毛高度Villus height/μm | 282.33±9.16c | 421.55±19.16a | 354.30±25.55b | 461.33±10.20a | 383.69±22.58b | 0.007 |
| 隐窝深度Crypt depth/μm | 193.15±13.85a | 178.09±5.44a | 186.59±25.84a | 140.76±12.38b | 152.31±23.33b | 0.043 |
| 绒毛高度/隐窝深度 Villus height/crypt depth | 1.57±0.10d | 2.35±0.04b | 2.04±0.51c | 2.33±0.34b | 2.68±0.55a | 0.002 |
2.4 复合添加剂对断奶羔羊肠道屏障相关基因表达的影响
图2 空肠和回肠ZO-1、Occludin和Claudin-1的mRNA相对表达量数据柱标相同或无小写字母表示差异不显著(P>0.05),不同小写字母表示差异显著(P<0.05)。下图同。 Fig.2 mRNA relative expression levels of ZO-1, Occludin and Claudin-1 in jejunum and ileum Value columns with the same or no small letter mean no significant difference (P>0.05), while with different small letters mean significant difference (P<0.05). The same as below. |
2.5 复合添加剂对断奶羔羊胃肠道菌群结构的影响
2.5.1 测序数据和Feature概况
2.5.2 Alpha多样性分析
表6 Alpha多样性指数分析Table 6 Alpha diversity index analysis |
| 项目 Items | 组别Groups | P值 P-value | ||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 瘤胃Rumen | ||||||
| Sobs指数Sobs index | 688.00±73.36b | 510.33±69.95b | 350.33±64.81b | 1 268.67±56.02a | 1 250.33±82.75a | 0.002 |
| Shannon指数 Shannon index | 6.24±0.37b | 5.93±0.78b | 5.42±0.73b | 8.40±0.45a | 8.61±0.18a | 0.005 |
| Simpson指数 Simpson index | 0.93±0.02 | 0.93±0.02 | 0.90±0.03 | 0.98±0.01 | 0.99±0.01 | 0.431 |
| Ace指数Ace index | 0.66±0.04 | 0.66±0.05 | 0.65±0.07 | 0.81±0.04 | 0.84±0.02 | 0.116 |
| Chao1指数Chao1 index | 694.24±73.98b | 513.39±69.87b | 353.08±64.29b | 1 278.78±56.17a | 1 252.11±82.97a | 0.002 |
| 空肠Jejunum | ||||||
| Sobs指数Sobs index | 943.67±94.54b | 745.66±93.86b | 732.33±53.46b | 1 538.00±148.34a | 1 202.40±91.41ab | 0.029 |
| Shannon指数 Shannon index | 6.69±0.53b | 6.61±0.63b | 6.47±0.56b | 8.88±0.24a | 8.58±0.10a | 0.007 |
| Simpson指数 Simpson index | 0.96±0.01 | 0.94±0.03 | 0.93±0.03 | 0.99±0.01 | 0.99±0.01 | 0.138 |
| Ace指数Ace index | 0.68±0.03b | 0.69±0.05b | 0.67±0.05b | 0.84±0.01a | 0.84±0.01a | 0.015 |
| Chao1指数Chao1 index | 948.86±152.48b | 748.84±105.17b | 737.40±34.61b | 1 544.93±147.74a | 1 209.45±118.04ab | 0.029 |
| 回肠Ileum | ||||||
| Sobs指数Sobs index | 959.00±98.98 | 645.67±77.95 | 422.68±66.21 | 731.00±84.11 | 1 072.33±108.41 | 0.054 |
| Shannon指数 Shannon index | 7.66±0.52a | 6.36±0.82ab | 5.43±0.63b | 6.18±0.42ab | 7.99±0.27a | 0.046 |
| Simpson指数 Simpson index | 0.98±0.01 | 0.95±0.02 | 0.90±0.03 | 0.92±0.02 | 0.99±0.01 | 0.062 |
| Ace指数Ace index | 0.78±0.02 | 0.68±0.01 | 0.62±0.03 | 0.65±0.03 | 0.79±0.01 | 0.106 |
| Chao1指数Chao1 index | 961.85±119.16 | 648.34±87.76 | 423.67±86.83 | 740.02±93.33 | 1 082.45±128.67 | 0.052 |
2.5.3 Beta多样性分析
2.5.4 复合添加剂对断奶羔羊瘤胃、空肠和回肠微生物群门水平组成的影响
图6 瘤胃、空肠和回肠微生物群门水平优势物种相对丰度柱状图Firmicutes:厚壁菌门;Bacteroidota:拟杆菌门;Actinobacteriota:放线菌门;Patescibacteria:巴氏杆菌门;Verrucomicrobia:疣微菌门;Proteobacteria:变形菌门;Cyanobacteria:蓝藻菌门;Synergistota:互养菌门。 Fig.6 Histogram of relative abundance of dominant species in rumen, jejunum and ileum microbiota at phylum level |
表7 瘤胃微生物群门水平优势物种相对丰度Table 7 Relative abundance of dominant species in rumen microbiota at phylum level % |
| 项目 Items | 组别Groups | P值 P-value | ||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 厚壁菌门Firmicutes | 58.59±4.06 | 54.13±9.23 | 33.16±9.12 | 43.46±2.02 | 37.31±8.65 | 0.216 |
| 拟杆菌门Bacteroidota | 1.39±0.38b | 0.69±0.07b | 1.33±0.39b | 40.02±4.57a | 42.15±6.59a | <0.001 |
| 放线菌门Actinobacteriota | 4.40±0.13b | 6.89±1.35b | 36.98±6.57a | 0.32±0.05c | 0.40±0.07c | 0.034 |
| 巴氏杆菌门Patescibacteria | 6.28±1.13 | 10.45±4.98 | 9.39±2.06 | 3.29±0.03 | 2.27±0.01 | 0.064 |
| 疣微菌门Verrucomicrobia | 5.75±1.57 | 7.76±1.62 | 3.43±0.75 | 6.33±1.46 | 5.61±0.79 | 0.624 |
| 变形菌门Proteobacteria | 5.42±1.01 | 4.65±0.69 | 9.83±3.97 | 4.20±0.42 | 7.28±1.89 | 0.147 |
| 蓝藻菌门Cyanobacteria | 2.06±0.08 | 3.54±0.96 | 1.66±0.09 | 1.95±0.05 | 1.98±0.04 | 0.385 |
| 互养菌门Synergistota | 1.40±0.99 | 0.37±0.03 | 0.46±0.05 | 1.12±0.04 | 0.93±0.31 | 0.237 |
表8 空肠微生物群门水平优势物种相对丰度Table 8 Relative abundance of dominant species in jejunal microbial at phylum level % |
| 项目 Items | 组别Groups | P值 P-value | ||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 厚壁菌门Firmicutes | 72.02±0.78a | 74.04±4.32a | 49.73±9.60b | 32.24±3.35b | 49.11±9.58b | 0.005 |
| 拟杆菌门Bacteroidota | 1.95±0.81b | 0.55±0.16b | 4.54±1.02b | 46.41±2.01a | 35.98±3.84a | <0.001 |
| 放线菌门Actinobacteriota | 4.71±1.09 | 3.86±0.79 | 7.03±3.64 | 1.39±0.05 | 1.47±0.04 | 0.359 |
| 巴氏杆菌门Patescibacteria | 8.38±1.41 | 6.35±1.33 | 8.32±1.85 | 1.31±0.36 | 0.82±0.06 | 0.192 |
| 疣微菌门Verrucomicrobia | 4.92±1.48 | 9.25±2.56 | 7.62±2.22 | 7.28±0.66 | 3.81±0.74 | 0.753 |
| 变形菌门Proteobacteria | 3.60±0.63 | 3.06±0.59 | 3.85±0.81 | 4.18±0.73 | 3.45±0.49 | 0.904 |
| 蓝藻菌门Cyanobacteria | 1.62±0.36 | 0.99±0.16 | 1.34±0.31 | 1.01±0.21 | 0.85±0.01 | 0.561 |
| 互养菌门Synergistota | 0.53±0.01 | 0.51±0.01 | 1.51±0.15 | 0.64±0.11 | 1.16±0.25 | 0.168 |
表9 回肠微生物群门水平优势物种相对丰度Table 9 Relative abundance of dominant species in ileal microbiota at phylum level % |
| 项目 Items | 组别Groups | P值 P-value | ||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 厚壁菌门Firmicutes | 58.41±2.83 | 62.82±8.12 | 51.28±7.55 | 52.39±9.18 | 46.65±3.77 | 0.164 |
| 拟杆菌门Bacteroidota | 5.61±1.12b | 6.21±1.67b | 1.41±0.09b | 1.61±0.08b | 41.69±2.82a | <0.001 |
| 放线菌门Actinobacteriota | 3.38±0.63 | 3.02±0.81 | 13.34±4.67 | 7.35±1.83 | 1.43±0.04 | 0.243 |
| 巴氏杆菌门Patescibacteria | 6.17±1.46 | 4.13±1.03 | 9.93±2.94 | 13.41±2.15 | 2.61±0.02 | 0.321 |
| 疣微菌门Verrucomicrobia | 8.07±1.36 | 3.03±0.86 | 2.52±0.09 | 7.36±1.73 | 5.79±1.49 | 0.290 |
| 变形菌门Proteobacteria | 3.87±0.81 | 3.64±0.69 | 5.85±1.18 | 4.44±0.66 | 3.29±0.61 | 0.812 |
| 蓝藻菌门Cyanobacteria | 0.72±0.32 | 0.58±0.26 | 0.70±0.34 | 0.84±0.02 | 0.99±0.21 | 0.831 |
| 互养菌门Synergistota | 0.03±0.01 | 0.51±0.01 | 1.51±0.15 | 0.64±0.11 | 1.16±0.25 | 0.235 |
2.5.5 复合添加剂对断奶羔羊瘤胃、空肠、回肠微生物群属水平组成的影响
图7 瘤胃微生物群属水平优势物种相对丰度柱状图Romboutsia:罗姆布茨菌属;Candidatus_Saccharimonas:念珠菌_糖单胞菌属;Prevotella:普氏菌属;WCHB1-41_unclassified:WCHB1-41_未分类;Succiniclasticum:解琥珀酸菌属;Ruminococcus:瘤胃球菌属;Christensenellaceae_R-7_group:克里斯滕森菌科_R-7群;Clostridium:梭菌属;Rikenellaceae_RC9_gut_group:理研菌科_RC9肠菌群;Aeriscardovia:卡多维亚氏菌属;Turicibacter:苏黎世杆菌属。 Fig.7 Histogram of relative abundance of dominant species in rumen, jejunum and ileum microbiota |
表10 瘤胃微生物群属水平优势物种相对丰度Table 10 Relative abundance of dominant species in rumen microbiota at genus level % |
| 项目 Items | 组别Groups | P值 P-value | ||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 罗姆布茨菌属Romboutsia | 10.21±9.53 | 6.44±5.55 | 2.37±0.31 | 1.80±0.02 | 1.91±0.02 | 0.207 |
| 念珠菌_糖单胞菌属 Candidatus_Saccharimonas | 6.26±3.12 | 12.45±9.01 | 9.39±2.07 | 3.16±0.37 | 3.09±0.15 | 0.218 |
| 普氏菌属Prevotella | 0.06±0.01c | 0.05±0.01c | 0.43±0.35c | 8.46±2.56b | 15.23±3.74a | 0.001 |
| WCHB1-41_未分类 WCHB1-41_unclassified | 3.65±0.71 | 6.15±3.02 | 2.96±0.85 | 5.55±1.27 | 4.14±0.61 | 0.403 |
| 解琥珀酸菌属Succiniclasticum | 3.65±0.71 | 4.82±1.92 | 1.96±0.83 | 5.55±1.26 | 4.14±0.61 | 0.321 |
| 瘤胃球菌属Ruminococcus | 7.96±3.45 | 4.27±1.18 | 2.47±0.33 | 2.51±0.21 | 3.65±1.37 | 0.570 |
| 克里斯滕森菌科_R-7群 Christensenellaceae_R-7_group | 2.26±0.96 | 3.22±0.98 | 5.09±2.68 | 3.34±0.56 | 2.57±0.59 | 0.610 |
| 梭菌属Clostridium | 4.95±1.83 | 4.90±1.88 | 1.08±0.17 | 1.09±0.22 | 1.22±0.29 | 0.197 |
| 理研菌科_RC9肠菌群 Rikenellaceae_RC9_gut_group | 0.26±0.01b | 0.15±0.11b | 0.12±0.15b | 7.95±1.40a | 7.45±1.35a | <0.001 |
| 苏黎世杆菌属Turicibacter | 4.14±5.78 | 0.57±0.89 | 0.12±0.16 | 0.03±0.03 | 0.05±0.08 | 0.346 |
表11 空肠微生物群属水平优势物种相对丰度Table 11 Relative abundance of dominant species in jejunal microflora at genus level % |
| 项目 Items | 组别Groups | P值 P-value | ||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 罗姆布茨菌属Romboutsia | 3.75±1.08 | 2.93±0.87 | 1.06±0.85 | 0.96±0.11 | 0.96±0.15 | 0.117 |
| 念珠菌_糖单胞菌属 Candidatus_Saccharimonas | 4.37±1.11 | 6.34±1.32 | 4.05±0.41 | 6.34±1.32 | 3.75±0.99 | 0.089 |
| 卡多维亚氏菌属Aeriscardovia | 2.72±1.41 | 1.14±1.00 | 1.54±1.08 | 0.66±0.33 | 0.63±0.14 | 0.273 |
| WCHB1-41_未分类 WCHB1-41_unclassified | 4.00±1.92 | 6.55±2.91 | 6.47±2.95 | 6.04±1.81 | 3.39±1.23 | 0.826 |
| 瘤胃球菌属Ruminococcus | 2.95±0.63 | 4.82±1.72 | 5.52±2.48 | 2.25±0.31 | 3.10±0.98 | 0.349 |
| 克里斯滕森菌科_R-7群 Christensenellaceae_R-7_group | 2.96±0.57 | 5.36±2.92 | 3.02±0.84 | 2.07±0.33 | 4.68±1.13 | 0.660 |
| 梭菌属Clostridium | 8.01±1.69a | 4.97±0.98a | 0.35±0.04b | 0.12±0.03b | 0.26±0.03b | 0.011 |
| 理研菌科_RC9肠菌群 Rikenellaceae_RC9_gut_group | 0.36±0.03b | 0.26±0.01b | 0.35±0.08b | 8.75±1.81a | 6.66±1.15a | 0.008 |
| 苏黎世杆菌属Turicibacter | 1.57±0.92 | 2.20±0.65 | 0.96±0.12 | 0.72±0.06 | 0.83±0.09 | 0.071 |
| 支原体Mycoplasma | 2.96±0.69 | 2.12±0.88 | 1.61±0.20 | 1.43±0.31 | 1.12±0.18 | 0.471 |
表12 回肠微生物群属水平优势物种相对丰度Table 12 Relative abundance of dominant species in ileal microbiota at genus level % |
| 项目 Items | 组别Groups | P值 P-value | ||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 罗姆布茨菌属Romboutsia | 7.98±2.87 | 11.63±2.92 | 8.76±1.96 | 10.14±2.94 | 6.17±1.16 | 0.678 |
| 念珠菌_糖单胞菌属 Candidatus_Saccharimonas | 8.17±1.46 | 7.12±1.27 | 9.16±1.94 | 10.41±2.15 | 6.48±1.19 | 0.317 |
| 卡多维亚氏菌属Aeriscardovia | 7.67±1.44 | 7.16±1.91 | 9.48±3.61 | 8.72±2.05 | 6.71±1.33 | 0.361 |
| WCHB1-41_未分类 WCHB1-41_unclassified | 2.95±1.56 | 2.49±1.64 | 2.13±0.82 | 5.04±1.90 | 4.17±1.61 | 0.212 |
| 解琥珀酸菌属Succiniclasticum | 2.43±0.36 | 3.24±1.22 | 2.06±0.95 | 1.87±0.54 | 4.18±1.03 | 0.267 |
| 瘤胃球菌属Ruminococcus | 3.33±1.39 | 2.37±0.61 | 2.78±0.84 | 4.03±1.96 | 2.99±0.64 | 0.513 |
| 克里斯滕森菌科_R-7群 Christensenellaceae_R-7_group | 3.84±1.08 | 2.04±0.53 | 2.27±0.81 | 3.14±0.93 | 2.39±0.55 | 0.281 |
| 梭菌属Clostridium | 3.54±1.51 | 3.98±1.89 | 2.82±0.62 | 3.85±1.72 | 3.72±1.16 | 0.629 |
| 理研菌科_RC9肠菌群 Rikenellaceae_RC9_gut_group | 2.02±1.00b | 1.44±0.39b | 1.89±0.12b | 2.75±1.06b | 7.91±1.99a | 0.001 |
| 苏黎世杆菌属Turicibacter | 4.83±1.58b | 10.26±2.11a | 5.24±1.39b | 5.81±1.12b | 6.94±1.35b | 0.049 |
