1 材料与方法
1.1 试验材料
1.2 试验设计
表1 母猪基础饲粮组成及营养水平(风干基础)Table 1 Composition and nutrient levels of basal diets for sows (air-dry basis) |
| 项目 Items | 阶段Stages | |
|---|---|---|
| 妊娠期 Gestation period | 泌乳期 Lactation period | |
| 原料Ingredients | ||
| 玉米Corn | 30.50 | 40.85 |
| 面粉Flour | 15.00 | 20.00 |
| 豆粕Soybean meal | 10.00 | 14.80 |
| 大麦Barley | 15.00 | 10.00 |
| 小麦麸Wheat bran | 20.00 | |
| 大豆皮Soybean hull | 5.00 | 4.00 |
| 鱼粉Fish meal | 2.00 | |
| 膨化大豆Expanded soybean | 3.00 | |
| 豆油Soybean oil | 0.95 | 1.50 |
| 磷酸氢钙CaHPO4 | 0.88 | 1.20 |
| 碳酸钙CaCO3 | 1.30 | 1.20 |
| 食盐NaCl | 0.40 | 0.40 |
| 预混料Premix1) | 0.97 | 1.05 |
| 合计Total | 100.00 | 100.00 |
| 营养水平Nutrient levels2) | ||
| 粗蛋白质CP | 14.30 | 16.39 |
| 净能NE/(MJ/kg) | 10.63 | 11.42 |
| 总磷TP | 0.63 | 0.69 |
| 钙Ca | 0.77 | 0.87 |
| 标准回肠可消化赖氨酸SID-Lys | 0.56 | 0.74 |
| 标准回肠可消化蛋氨酸SID-Met | 0.21 | 0.26 |
| 标准回肠可消化苏氨酸SID-Thr | 0.42 | 0.49 |
| 标准回肠可消化色氨酸SID-Trp | 0.13 | 0.15 |
1)预混料为每千克饲粮提供The premix provided the following per kg of diets:VA 10 000 IU,VD3 2 000 IU,VE 60 IU,VK3 5 mg,VB1 5 mg,VB2 10 mg,VB6 6 mg,VB12 0.05 mg,叶酸 folic acid 2 mg,D-泛酸 D-pantothenic acid 20 mg,烟酸 nicotinic acid 40 mg,Cu (as CuSO4·5H2O) 20 mg,Fe (as FeSO4·H2O) 120 mg,Mn (as MnSO4·H2O) 60 mg,Zn (as ZnSO4·H2O) 120 mg,I (as KI) 0.5 mg,Se (as Na2SeO3) 0.3 mg。 2)粗蛋白质(GB/T 6432—2018)、总磷(GB/T 6437—2018)、钙(GB/T 6436—2018)为实测值,其余营养水平为计算值,参照《中国饲料原料及营养价值表(2022年第33版)》计算。表2同。CP (GB/T 6432—2018), TP (GB/T 6437—2018) and Ca (GB/T 6436—2018) were measured values, while the other nutrient levels were calculated values based on Tables of Feed Composition and Nutritive Values in China (33rd edition, 2022). The same as Table 2. |
表2 仔猪基础饲粮组成及营养水平(风干基础)Table 2 Composition and nutrient levels of basal diets for piglets (air-dry basis) |
| 项目 Items | 阶段Stages | |
|---|---|---|
| 7~11 kg | 11~25 kg | |
| 原料Ingredients | ||
| 玉米Corn | 16.76 | 20.61 |
| 膨化玉米Extruded corn | 30.00 | 30.00 |
| 碎米Broken rice | 12.00 | 12.00 |
| 豆油Soybean oil | 0.50 | 0.50 |
| 蔗糖Sucrose | 2.50 | 2.50 |
| 葡萄糖Glucose | 2.50 | 2.50 |
| 去皮豆粕 Dehulled soybean meal (CP 46%) | 10.00 | 10.00 |
| 发酵豆粕 Fermented soybean meal | 4.00 | 4.00 |
| 膨化大豆 Extruded soybean | 5.00 | 4.00 |
| 低蛋白质乳清粉 Low protein whey powder | 8.00 | 6.00 |
| 鱼粉Fish meal | 5.00 | 4.00 |
| L-赖氨酸L-Lys (98.5%) | 0.69 | 0.75 |
| L-色氨酸L-Trp (98%) | 0.08 | 0.17 |
| L-苏氨酸L-Thr (98.5%) | 0.29 | 0.31 |
| DL-蛋氨酸DL-Met (99%) | 0.12 | 0.12 |
| 氯化胆碱 Choline chloride (50%) | 0.16 | 0.16 |
| 碳酸钙CaCO3 | 0.55 | 0.40 |
| 磷酸氢钙CaHPO4 | 0.50 | 0.50 |
| 食盐NaCl | 0.40 | 0.40 |
| 维生素预混料Vitamin premix1) | 0.05 | 0.05 |
| 矿物质预混料Mineral premix2) | 0.20 | 0.20 |
| 酸化剂Acidifier | 0.50 | 0.50 |
| 酶制剂Enzyme preparation | 0.03 | |
| 氧化锌ZnO | 0.20 | 0.30 |
| 合计Total | 100.00 | 100.00 |
| 营养水平Nutrient levels | ||
| 粗蛋白质CP | 17.97 | 17.10 |
| 消化能DE/(MJ/kg) | 14.77 | 14.81 |
| 总磷TP | 0.59 | 0.55 |
| 钙Ca | 0.70 | 0.59 |
| 标准回肠可消化赖氨酸SID-Lys | 1.36 | 1.35 |
| 标准回肠可消化蛋氨酸SID-Met | 0.40 | 0.38 |
| 标准回肠可消化苏氨酸SID-Thr | 0.80 | 0.79 |
| 标准回肠可消化色氨酸SID-Trp | 0.22 | 0.29 |
1)维生素预混料为每千克饲粮提供Vitamin premix provided the following per kg of diets:VA 15 000 IU,VD3 5 000 IU,VE 40 IU,VK3 5 mg,VB1 5.0 mg,VB2 12.5 mg,VB6 6.0 mg,VB12 0.6 mg,生物素 biotin 2.5 mg,泛酸 pantothenic acid 25 mg,烟酸 nicotinic acid 50 mg,叶酸 folic acid 2.5 mg。 | |
2)矿物质预混料为每千克饲粮提供Mineral premix provided the following per kg of diets:Zn (as ZnSO4·H2O) 130 mg,Cu (as CuSO4·5H2O) 80 mg,Fe (as FeSO4·H2O) 130 mg,Mn (as MnSO4·H2O) 50 mg,Se (as Na2SeO3) 0.3 mg,I (as KI) 0.65 mg。 |
1.3 饲养管理
1.4 样品采集
1.4.1 血清样品
1.4.2 初乳和常乳样品
1.4.3 粪便样品
1.5 测定指标
1.5.1 生长和繁殖性能
1.5.2 粪便评分
表3 母猪粪便评分标准Table 3 Scoring criteria for sow feces |
| 评分Score | 标准Criteria |
|---|---|
| 0 | 排粪次数正常,粪便呈圆柱状,很少结粒,松软 |
| 1 | 排粪次数正常,粪便颗粒大,较软 |
| 2 | 排粪次数少,粪便结粒大,稍软 |
| 3 | 排粪有难度,时有努责;排粪次数少,粪便结粒,稍小,较硬 |
| 4 | 排粪难,常有努责;排粪次数少,粪便结粒,呈葡萄或羊粪球形状,坚硬 |
1.5.3 血清生化指标
1.5.4 血清细胞因子
1.5.5 乳成分
1.5.6 粪便短链脂肪酸
1.5.7 肠道菌群
1.6 数据统计与分析
2 结果与分析
2.1 XOS对母猪背膘厚度和繁殖性能的影响
表4 XOS对母猪背膘厚度的影响Table 4 Effects of XOS on backfat thickness of sows mm |
| 项目 Items | 组别Groups | P值 P-value | |||||||
|---|---|---|---|---|---|---|---|---|---|
| CON | XOS1 | XOS2 | |||||||
| 背膘厚度Backfat thickness | |||||||||
| 妊娠第90天Gestation day 90 | 18.37±4.15 | 18.67±3.79 | 18.32±3.75 | 0.964 | |||||
| 分娩Parturition | 18.91±4.31 | 19.54±4.21 | 19.48±3.78 | 0.897 | |||||
| 断奶Weaning | 16.15±4.45 | 17.93±4.40 | 17.08±4.73 | 0.550 | |||||
| 背膘增加Backfat thickness gain | |||||||||
| 妊娠第90天至分娩Gestation day 90 to parturition | 0.39±0.86 | 0.80±1.54 | 1.15±1.56 | 0.330 | |||||
| 分娩至断奶Parturition to weaning | -3.17±1.37 | -1.61±2.49 | -2.39±2.12 | 0.153 | |||||
| 妊娠第90天至断奶Gestation day 90 to weaning | -2.78±1.73 | -0.74±2.95 | -1.24±2.36 | 0.082 | |||||
同行数据肩标无字母或相同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)。下表同。 | |
In the same row, values with no letter or the same letter superscripts mean no significant difference (P>0.05), while with different small letter superscripts mean significant difference (P<0.05). The same as below. |
表5 XOS对母猪繁殖性能的影响Table 5 Effects of XOS on reproductive performance of sows |
| 项目 Items | 组别Groups | P值 P-value | ||
|---|---|---|---|---|
| CON | XOS1 | XOS2 | ||
| 窝产仔数Litter size/头 | 13.93±1.57 | 13.38±1.76 | 13.53±2.25 | 0.679 |
| 窝产活仔数Live-born litter size/头 | 13.81±1.56 | 13.15±1.77 | 12.78±2.33 | 0.440 |
| 健仔数Number of healthy piglets/头 | 12.50±1.63 | 11.92±1.66 | 11.22±2.53 | 0.198 |
| 弱仔数Number of weak piglets/头 | 1.31±1.45 | 1.23±1.51 | 1.56±3.13 | 0.924 |
| 死胎数Number of stillborn piglets/头 | 0.13±0.34 | 0.27±0.59 | 0.31±0.92 | 0.274 |
| 初生重Birth weight/kg | 1.39±0.16 | 1.34±0.16 | 1.45±0.23 | 0.285 |
| 断奶重Weaning weight/kg | 5.79±0.66 | 5.98±0.55 | 6.01±0.64 | 0.985 |
| 断奶头数Weaned piglets/头 | 10.53±1.41 | 10.93±1.38 | 10.50±1.30 | 0.624 |
| 断奶窝重Litter weight at weaning/kg | 61.42±9.29 | 65.19±9.27 | 63.00±9.80 | 0.231 |
2.2 XOS对母猪粪便评分的影响
表6 XOS对母猪粪便评分的影响Table 6 Effects of XOS on fecal score of sows |
| 项目 Items | 组别Groups | P值 P-value | ||
|---|---|---|---|---|
| CON | XOS1 | XOS2 | ||
| 妊娠第90天Gestation day 90 | 2.65±1.15 | 2.40±0.99 | 2.29±0.85 | 0.629 |
| 分娩Parturition | 2.43±0.73b | 1.73±0.80a | 1.47±0.87a | 0.004 |
| 妊娠期Gestation period | 1.79±0.67 | 1.47±0.55 | 1.49±0.52 | 0.238 |
| 泌乳期Lactation period | 1.38±0.39 | 1.56±0.33 | 1.51±0.44 | 0.443 |
2.3 XOS对母猪乳成分的影响
表7 XOS对母猪乳成分的影响Table 7 Effects of XOS on milk composition of sows |
| 项目 Items | 组别Groups | P值 P-value | ||
|---|---|---|---|---|
| CON | XOS1 | XOS2 | ||
| 初乳Colostrum | ||||
| 乳脂MF/% | 5.80±2.25 | 6.07±1.95 | 6.21±1.42 | 0.903 |
| 总蛋白TP/% | 17.24±3.31 | 16.66±2.70 | 17.31±4.01 | 0.772 |
| 真蛋白TrP/% | 16.08±3.09 | 15.00±2.61 | 15.50±3.80 | 0.775 |
| 乳糖Lac/% | 3.66±0.36 | 4.04±1.17 | 3.80±0.61 | 0.606 |
| 干物质DM/% | 35.33±6.74 | 34.46±4.02 | 35.63±6.25 | 0.892 |
| 非脂固形物SNF/% | 30.76±4.87 | 29.45±3.85 | 30.72±5.34 | 0.782 |
| 尿素氮UN/(mg/mL) | 0.83±0.19 | 0.82±0.13 | 0.81±.0.14 | 0.967 |
| 常乳Milk | ||||
| 乳脂MF/% | 7.16±0.66 | 8.45±1.50 | 7.61±1.92 | 0.209 |
| 总蛋白TP/% | 5.69±0.47a | 6.43±0.68ab | 6.71±1.07b | 0.039 |
| 真蛋白TrP/% | 4.41±0.43 | 5.02±0.49 | 5.17±0.87 | 0.051 |
| 乳糖Lac/% | 5.65±0.75 | 6.09±0.62 | 6.19±0.92 | 0.346 |
| 干物质DM/% | 23.88±1.09 | 26.86±2.59 | 27.10±4.32 | 0.074 |
| 非脂固形物SNF/% | 17.87±1.37 | 19.63±2.71 | 21.23±3.43 | 0.054 |
| 尿素氮UN/(mg/mL) | 0.52±0.09 | 0.58±0.07 | 0.58±0.10 | 0.288 |
2.4 XOS对母猪血清生化指标和细胞因子的影响
表8 XOS对母猪血清生化指标的影响Table 8 Effects of XOS on serum biochemical indexes of sows |
| 项目 Items | 组别Groups | P值 P-value | |||||||
|---|---|---|---|---|---|---|---|---|---|
| CON | XOS1 | XOS2 | |||||||
| 分娩Parturition | |||||||||
| 白蛋白ALB/(g/L) | 30.29±2.99 | 31.15±3.40 | 32.99±3.17 | 0.157 | |||||
| 碱性磷酸酶ALP/(U/L) | 108.70±48.15 | 73.60±26.69 | 95.18±45.08 | 0.177 | |||||
| 谷丙转氨酶ALT/(U/L) | 40.20±7.71 | 42.62±11.82 | 50.04±15.32 | 0.170 | |||||
| 谷草转氨酶AST/(U/L) | 35.23±17.64 | 43.05±22.13 | 49.16±20.21 | 0.314 | |||||
| 葡萄糖GLU/(mmol/L) | 3.85±0.50 | 3.38±0.88 | 4.25±1.34 | 0.100 | |||||
| 免疫球蛋白M IgM/(g/L) | 0.82±0.13 | 0.85±0.11 | 0.78±0.13 | 0.304 | |||||
| 总蛋白TP/(g/L) | 58.55±5.05 | 61.07±2.18 | 60.42±3.89 | 0.335 | |||||
| 尿素Urea/(mmol/L) | 3.66±0.85 | 3.45±0.66 | 4.15±0.68 | 0.102 | |||||
| 断奶Weaning | |||||||||
| 白蛋白ALB/(g/L) | 29.21±2.05 | 29.17±2.94 | 28.86±2.29 | 0.951 | |||||
| 碱性磷酸酶ALP/(U/L) | 75.50±25.39b | 42.30±13.75a | 50.22±27.71ab | 0.036 | |||||
| 谷丙转氨酶ALT/(U/L) | 29.97±5.54 | 29.97±3.81 | 31.57±4.84 | 0.657 | |||||
| 谷草转氨酶AST/(U/L) | 30.76±14.20b | 25.30±8.13ab | 22.44±4.28a | 0.046 | |||||
| 葡萄糖GLU/(mmol/L) | 3.46±0.40 | 3.22±0.77 | 2.95±1.00 | 0.558 | |||||
| 免疫球蛋白M IgM/(g/L) | 0.81±0.16b | 0.81±0.11ab | 0.61±0.15a | 0.028 | |||||
| 总蛋白TP/(g/L) | 68.13±3.99b | 64.02±4.82a | 61.39±3.52a | 0.005 | |||||
| 尿素Urea/(mmol/L) | 3.69±0.99 | 3.54±0.94 | 3.24±1.09 | 0.617 | |||||
表9 XOS对母猪血清细胞因子的影响Table 9 Effects of XOS on serum cytokines of sows pg/mL |
| 项目 Items | 组别Groups | P值 P-value | ||
|---|---|---|---|---|
| CON | XOS1 | XOS2 | ||
| 分娩Parturition | ||||
| 白细胞介素-6 IL-6 | 113.48±36.78 | 82.64±33.72 | 97.30±49.22 | 0.490 |
| 白细胞介素-1β IL-1β | 90.78±29.43 | 66.12±26.97 | 77.84±39.38 | 0.490 |
| 白细胞介素-10 IL-10 | 15.38±5.30 | 23.84±3.90 | 15.88±5.43 | 0.094 |
| 肿瘤坏死因子-α TNF-α | 9.81±4.64 | 6.92±4.70 | 7.69±4.64 | 0.609 |
| 断奶Weaning | ||||
| 白细胞介素-6 IL-6 | 162.66±14.49 | 167.91±22.73 | 96.25±33.75 | 0.103 |
| 白细胞介素-1β IL-1β | 130.13±17.59 | 134.33±26.18 | 77.00±27.00 | 0.083 |
| 白细胞介素-10 IL-10 | 21.50±4.92 | 23.25±3.96 | 23.58±5.27 | 0.890 |
| 肿瘤坏死因子-α TNF-α | 15.56±2.31 | 12.49±6.36 | 10.18±3.70 | 0.274 |
2.5 XOS对母猪断奶时粪便短链脂肪酸的影响
表10 XOS对母猪断奶时粪便短链脂肪酸的影响Table 10 Effects of XOS on fecal short-chain fatty acids of sows at weaning μmol/mg |
| 项目 Items | 组别Groups | P值 P-value | ||
|---|---|---|---|---|
| CON | XOS1 | XOS2 | ||
| 乙酸Acetic acid | 2.67±0.96 | 2.77±0.98 | 3.21±0.85 | 0.580 |
| 丙酸Propionic acid | 0.85±0.37 | 1.02±0.27 | 1.29±0.43 | 0.164 |
| 异丁酸Isobutyric acid | 0.10±0.04a | 0.16±0.07ab | 0.21±0.06b | 0.040 |
| 丁酸Butyric acid | 0.67±0.30 | 0.73±0.23 | 0.83±0.28 | 0.590 |
| 异戊酸Isovaleric acid | 0.31±0.07 | 0.34±0.05 | 0.37±0.06 | 0.215 |
| 戊酸Valeric acid | 0.17±0.05 | 0.22±0.08 | 0.23±0.07 | 0.300 |
| 总短链脂肪酸Total SCFAs | 4.75±1.69 | 5.22±1.55 | 5.75±2.20 | 0.669 |
2.6 XOS对母猪肠道菌群的影响
表11 母猪分娩时肠道菌群α多样性指数Table 11 Gut microbial α diversity indexes of sows at parturition |
| 项目 Items | 组别Groups | P值 P-value | ||
|---|---|---|---|---|
| CON | XOS1 | XOS2 | ||
| Ace指数Ace index | 869.20±219.50 | 1 013.00±181.20 | 892.70±96.12 | 0.273 |
| Coverage指数Coverage index | 0.99±0.00 | 0.99±0.00 | 0.99±0.00 | 0.600 |
| Shannon指数Shannon index | 3.84±0.50a | 4.55±0.25b | 4.18±0.19ab | 0.006 |
| Simpson指数Simpson index | 0.08±0.04b | 0.03±0.00a | 0.04±0.01a | 0.038 |
| Sobs指数Sobs index | 674.40±163.90 | 817.80±139.80 | 704.30±79.46 | 0.145 |
图2 母猪分娩时肠道菌群组成Firmicutes:厚壁菌门;Bacteroidota:拟杆菌门;Spirochaetota:螺旋体门;Proteobacteria:变形菌门;Actinobacteriota:放线菌门;Cyanobacteria:蓝细菌门;Campilobacterota:弯曲菌门;Desulfobacterota:脱硫杆菌门;Fusobacteria:梭杆菌门;Patescibacteria:髌骨细菌门;Bacteroidales:拟杆菌目;Oscillospirales:颤螺旋菌目;Lactobacillales:乳杆菌目;Lachnospirales:毛螺菌目;Christensenellales:克里斯滕森菌目;Spirochaetales:螺旋体目;Enterobacterales:肠杆菌目;Clostridiales:梭菌目;Peptostreptococcales-Tissierellales:消化链球菌目-蒂西耶菌目;Clostridia_UCG-014:梭菌纲UCG-014;Oscillospiraceae:颤螺旋菌科;Lachnospiraceae:毛螺菌科;Lactobacillaceae:乳杆菌科;Christensenellaceae:克里斯滕森菌科;Spirochaetaceae:螺旋体科;Bacteroidaceae:拟杆菌科;Enterobacteriaceae:肠杆菌科;Clostridiaceae:梭菌科;Muribaculaceae:鼠杆菌科;Ruminococcaceae:瘤胃球菌科;Lactobacillus:乳杆菌属;Christensenellaceae_R-7_group:克里斯滕森菌科 R-7群;Treponema:密螺旋体属;Bacteroides:拟杆菌属;Escherichia-Shigella:埃希氏菌-志贺氏菌属;Lachnospiraceae_NK4A136_group:毛螺菌科NK4A136群;Clostridium_sensu_stricto_1:狭义梭菌属1;norank_f_Muribaculaceae:未分类的鼠杆菌科;Terrisporobacter:产孢杆菌属;Others:其他。图3同 the same as Fig.3。 Fig.2 Gut microbiota composition of sows at parturition |
表12 母猪分娩时肠道差异菌群Table 12 Gut differential microbiota of sows at parturition |
| 项目 Items | 组别Groups | P值 P-value | ||
|---|---|---|---|---|
| CON | XOS1 | XOS2 | ||
| 门水平Phylum level | ||||
| 拟杆菌门Bacteroidota | 15.53±8.01a | 25.04±7.23b | 15.59±6.11a | 0.026 |
| 目水平Order level | ||||
| 拟杆菌目Bacteroidales | 15.50±8.06a | 24.90±7.19b | 15.58±6.11a | 0.026 |
| 氨基酸球菌目Acidaminococcales | 0.20±0.11a | 0.56±0.27b | 0.16±0.14a | 0.003 |
| 科水平Family level | ||||
| UCG-010 | 0.57±0.23a | 1.12±0.36b | 0.79±0.43ab | 0.029 |
| 氨基酸球菌科Acidaminococcaceae | 0.20±0.11a | 0.56±0.27b | 0.16±0.14a | 0.003 |
| 属水平Genus level | ||||
| UCG-005 | 1.99±0.88a | 3.98±0.92b | 2.44±0.80a | 0.002 |
| norank_f_UCG-010 | 0.57±0.23a | 1.12±0.36b | 0.79±0.43ab | 0.029 |
| 考拉杆菌属Phascolarctobacterium | 0.20±0.11a | 0.55±0.28b | 0.16±0.14a | 0.003 |
| 球形螺旋体属Sphaerochaeta | 0.19±0.11a | 0.39±0.24b | 0.29±0.12a | 0.041 |
表13 母猪断奶时肠道差异菌群Table 13 Gut differential microbiota of sows at weaning |
| 项目 Items | 组别Groups | P值 P-value | ||
|---|---|---|---|---|
| CON | XOS1 | XOS2 | ||
| 门水平Phylum level | ||||
| 互养菌门Synergistota | <0.01±0.01a | 0.02±0.01b | <0.01±0.01a | 0.041 |
| 目水平Order level | ||||
| 互养菌目Synergistales | <0.01±0.01a | 0.02±0.01b | <0.01±0.01a | 0.041 |
| 科水平Family level | ||||
| 互养菌科Synergistaceae | <0.01±0.01a | 0.02±0.01b | <0.01±0.01a | 0.041 |
| 属水平Genus level | ||||
| 多尔氏菌属Dorea | 0.03±0.02a | 0.04±0.03ab | 0.13±0.12b | 0.049 |
| 毛螺菌科FCS020群 Lachnospiraceae_FCS020_group | <0.01±0.01a | 0.01±0.01ab | 0.03±0.02b | 0.043 |
2.7 XOS对母猪后代断奶仔猪肠道菌群的影响
表14 仔猪断奶后第35天肠道菌群α多样性指数Table 14 Gut microbial α diversity indexes of piglets on day 35 post-weaning |
| 项目 Items | 组别Groups | P值 P-value | ||
|---|---|---|---|---|
| CON | XOS1 | XOS2 | ||
| Ace指数Ace index | 974.90±257.60 | 969.20±213.30 | 853.40±197.70 | 0.192 |
| Coverage指数Coverage index | 0.99±0.00 | 0.99±0.00 | 0.99±0.00 | 0.267 |
| Shannon指数Shannon index | 4.51±0.65 | 4.49±0.45 | 4.31±0.48 | 0.150 |
| Simpson指数Simpson index | 0.04±0.02 | 0.04±0.02 | 0.05±0.03 | 0.359 |
| Sobs指数Sobs index | 783.10±215.80 | 787.60±176.00 | 689.10±154.90 | 0.156 |
表15 仔猪断奶后第35天肠道差异菌群Table 15 Gut differential microbiota of piglets on day 35 post-weaning |
| 项目 Items | 组别Groups | P值 P-value | ||
|---|---|---|---|---|
| CON | XOS1 | XOS2 | ||
| 目水平Order level | ||||
| 梭菌纲UCG-014 Clostridia_UCG-014 | 1.57±0.56ab | 1.96±1.05b | 1.07±0.73a | 0.006 |
| 科水平Family level | ||||
| 鼠杆菌科Muribaculaceae | 4.38±2.76a | 5.91±2.01b | 3.35±2.41a | 0.009 |
| 未分类的梭菌纲UCG-014目 norank_o_Clostridia_UCG-014 | 1.57±0.56ab | 1.96±1.05b | 1.07±0.73a | 0.006 |
| 厌氧噬菌科Anaerovoracaceae | 0.47±0.31ab | 0.64±0.27b | 0.42±0.21a | 0.049 |
| 属水平Genus level | ||||
| 未分类的鼠杆菌科norank_f_Muribaculaceae | 4.25±2.65ab | 5.52±1.75b | 3.28±2.37a | 0.017 |
| 未分类的毛螺菌科 unclassified_f_Lachnospiraceae | 2.27±1.51b | 0.98±0.67a | 1.00±0.63a | 0.009 |
| NK4A214群NK4A214_group | 0.85±0.54a | 1.47±0.60b | 0.88±0.59a | 0.004 |
| 罗斯氏菌属Roseburia | 1.58±0.99b | 0.67±0.48a | 0.87±0.58a | 0.028 |

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