1 材料与方法
1.1 试验材料
表1 铁苋菜粉有效成分及含量Table 1 Effective components and contents in Acalypha australis L. powder μg/g |
| 项目Items | 含量Content |
|---|---|
| 没食子酸Gallic acid | 14.25 |
| 原儿茶酸Protocatechuic acid | 8.37 |
| 儿茶素Catechin | 9.02 |
| 咖啡酸Caffeic acid | 39.26 |
| 芦丁Rutin | 4.18 |
| 杨梅素Myricetin | 5.75 |
| 柚皮素Naringenin | 2.42 |
1.2 试验设计
表2 基础饲粮组成及营养水平(风干基础)Table 2 Composition and nutrient levels of basal diets (air-dry basis) % |
| 项目 Items | 含量Content | ||
|---|---|---|---|
| 1~21日龄 1 to 21 days of age | 22~42日龄 22 to 42 days of age | 43~63日龄 43 to 63 days of age | |
| 原料Ingredients | |||
| 玉米Corn | 53.50 | 58.00 | 62.00 |
| 豆粕Soybean meal | 30.00 | 24.80 | 21.00 |
| 膨化大豆Expanded soybean | 8.00 | 8.00 | 8.00 |
| 大豆油Soybean oil | 2.83 | 3.83 | 4.03 |
| 磷酸氢钙CaHPO4 | 1.50 | 1.10 | 0.90 |
| 谷壳糠Chaff barn | 1.50 | 1.50 | 1.50 |
| 氯化钠NaCl | 0.37 | 0.37 | 0.37 |
| 石粉Limestone | 1.30 | 1.40 | 1.20 |
| 预混料Premix1) | 1.00 | 1.00 | 1.00 |
| 合计Total | 100.00 | 100.00 | 100.00 |
| 营养水平Nutrient levels2) | |||
| 代谢能ME/(MJ/kg) | 12.34 | 12.81 | 13.05 |
| 粗蛋白质CP | 21.55 | 19.48 | 18.03 |
| 钙Ca | 1.00 | 0.94 | 0.81 |
| 有效磷AP | 0.37 | 0.30 | 0.26 |
| 赖氨酸Lys | 1.15 | 1.01 | 0.92 |
| 蛋氨酸Met | 0.49 | 0.46 | 0.45 |
| 蛋氨酸+半胱氨酸Met+Cys | 0.79 | 0.75 | 0.72 |
1)预混料为1~21日龄每千克饲粮提供 The premix provided the following per kilogram of diets from 1 to 21 days of age:VA 12 000 IU,VD3 3 000 IU,VE 24 mg,VK3 3 mg,VB1 2.4 mg,VB2 7.5 mg,烟酸 niacin 45 mg,D-泛酸钙 D-calcium pantothenate 12 mg,VB6 3.6 mg,D-生物素 D-biotin 0.09 mg,叶酸 folic acid 1.2 mg,VB12 15 μg,Fe 80 mg,Cu 8 mg,Mn 90 mg,Zn 85 mg,I 0.8 mg,Se 0.3 mg,L-赖氨酸 L-Lys (98%) 204.1 mg,胆碱 choline (50%) 2.6 g,植酸酶 phytase 0.1 g。 预混料为22~42日龄每千克饲粮提供 The premix provided the following per kilogram of diets from 22 to 42 days of age:VA 10 000 IU,VD3 2 500 IU,VE 20 mg,VK3 5 mg,VB1 2 mg,VB2 6.25 mg,烟酸 niacin 37.5 mg,D-泛酸钙 D-calcium pantothenate 10 mg,VB6 3 mg,D-生物素 D-biotin 0.075 mg,叶酸 folic acid 1 mg,VB12 12.5 μg,Fe 80 mg,Cu 8 mg,Mn 90 mg,Zn 80 mg,I 0.8 mg,Se 0.3 mg,L-赖氨酸 L-Lys (98%) 304.6 mg,胆碱 choline (50%) 2 g,植酸酶 phytase 0.1 g。 预混料为43~63日龄每千克饲粮提供 The premix provided the following per kilogram of diets from 43 to 63 days of age:VA 8 000 IU,VD3 2 000 IU,VE 16 mg,VK3 4 mg,VB1 1.6 mg,VB2 5 mg,烟酸 niacin 30 mg,D-泛酸钙 D-calcium pantothenate 8 mg,VB6 2.4 mg,D-生物素 D-biotin 0.06 mg,叶酸 folic acid 0.8 mg,VB12 10 μg,Fe 80 mg,Cu 8 mg,Mn 90 mg,Zn 75 mg,I 0.8 mg,Se 0.3 mg,胆碱 choline (50%) 1.5 g,植酸酶 phytase 0.1 g。 2)代谢能为计算值,其他营养水平为实测值。ME was a calculated value, while the other nutrient levels were measured values. |
1.3 饲养管理
1.4 样品采集
1.5 测定指标及方法
1.5.1 生长性能
1.5.2 血清炎症因子含量
1.5.3 血清抗氧化指标
1.5.4 肠道形态结构
1.5.5 盲肠微生物宏基因组检测
1.6 数据统计分析
2 结果与分析
2.1 饲粮添加铁苋菜粉对黄羽肉鸡生长性能的影响
表3 饲粮添加铁苋菜粉对黄羽肉鸡生长性能的影响Table 3 Effects of dietary Acalypha australis L. powder on growth performance of yellow-feathered broilers |
| 项目 Items | 组别Groups | P值 P-value | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AAL0 | AAL0+K | AAL1000 | AAL2000 | AAL3000 | |||||||||
| 平均日采食量ADFI/g | |||||||||||||
| 1~21日龄 1 to 21 days of age | 22.60±1.05 | 23.32±0.62 | 23.14±0.95 | 22.83±0.82 | 23.09±1.57 | 0.146 | |||||||
| 22~42日龄 22 to 42 days of age | 93.35±6.17 | 90.66±2.06 | 90.68±2.72 | 90.81±6.87 | 90.18±6.21 | 0.634 | |||||||
| 43~63日龄 43 to 63 days of age | 132.16±10.42 | 131.10±18.83 | 131.81±18.96 | 130.26±19.35 | 130.65±20.00 | 0.217 | |||||||
| 1~63日龄 1 to 63 days of age | 82.70±4.51 | 81.69±2.27 | 81.88±2.51 | 81.30±2.03 | 81.31±4.53 | 0.167 | |||||||
| 平均日增重ADG/g | |||||||||||||
| 1~21日龄 1 to 21 days of age | 14.26±0.54 | 15.81±1.36 | 15.09±1.95 | 15.41±0.63 | 15.16±1.25 | 0.311 | |||||||
| 22~42日龄 22 to 42 days of age | 42.51±1.64b | 42.57±1.48b | 43.89±1.25a | 43.85±1.48a | 43.46±1.89a | 0.039 | |||||||
| 43~63日龄 43 to 63 days of age | 41.35±1.86b | 41.99±1.93ab | 42.59±1.18a | 43.36±1.55a | 42.44±1.43a | 0.044 | |||||||
| 1~63日龄 1 to 63 days of age | 32.71±0.64b | 33.46±1.16ab | 33.86±1.65a | 34.21±1.45a | 33.69±1.53ab | 0.041 | |||||||
| 料重比F/G | |||||||||||||
| 1~21日龄 1 to 21 days of age | 1.58±0.16a | 1.52±0.41a | 1.53±0.06ab | 1.48±0.37b | 1.48±0.46b | 0.027 | |||||||
| 22~42日龄 22 to 42 days of age | 2.20±0.14a | 2.13±0.17ab | 2.07±0.12b | 2.07±0.19b | 2.08±0.18b | 0.032 | |||||||
| 43~63日龄 43 to 63 days of age | 3.20±0.14a | 3.12±0.36ab | 3.09±0.09ab | 3.00±0.43b | 3.08±0.21ab | 0.046 | |||||||
| 1~63日龄 1 to 63 days of age | 2.53±0.37a | 2.44±0.49ab | 2.42±0.04ab | 2.38±0.02b | 2.41±0.28b | 0.018 | |||||||
同行数据肩标不同字母表示差异显著(P<0.05),相同字母或无字母表示差异不显著(P>0.05)。下表同。 | |
In the same row, values with different letter superscripts mean significant difference (P<0.05), while with the same letter or no letter superscripts mean no significant difference (P>0.05). The same as below. |
2.2 饲粮添加铁苋菜粉对黄羽肉鸡血清炎症因子含量的影响
表4 饲粮添加铁苋菜粉对黄羽肉鸡血清炎症因子含量的影响Table 4 Effects of dietary Acalypha australis L. powder on serum inflammatory factor contents of yellow-feathered broilers pg/mL |
| 项目 Items | 组别Groups | P值 P-value | ||||
|---|---|---|---|---|---|---|
| AAL0 | AAL0+K | AAL1000 | AAL2000 | AAL3000 | ||
| 第32天Day 32 | ||||||
| 肿瘤坏死因子-α TNF-α | 86.66±4.10a | 41.05±4.75c | 70.39±3.32a | 67.77±4.83a | 56.58±3.90b | 0.035 |
| 白细胞介素-6 IL-6 | 31.35±1.63a | 24.17±1.52a | 28.87±2.68a | 19.52±1.39b | 16.04±2.12b | 0.028 |
| 白细胞介素-10 IL-10 | 76.10±3.35a | 70.77±4.22a | 27.32±4.12b | 62.15±4.58a | 26.11±4.13b | 0.042 |
| 白细胞介素-1β IL-1β | 79.87±4.90a | 44.53±3.93c | 71.21±2.39a | 66.06±3.85b | 61.01±3.15b | 0.021 |
| 第64天Day 64 | ||||||
| 肿瘤坏死因子-α TNF-α | 89.92±3.82a | 54.45±4.27b | 76.41±2.52a | 65.53±5.89a | 47.63±4.89b | 0.037 |
| 白细胞介素-6 IL-6 | 31.99±0.77a | 14.18±1.09b | 26.48±1.90a | 25.39±1.75a | 16.93±2.22b | 0.033 |
| 白细胞介素-10 IL-10 | 47.19±4.89b | 34.30±2.41b | 63.72±4.60a | 59.72±4.85a | 60.79±3.50a | 0.041 |
| 白细胞介素-1β IL-1β | 77.20±4.76a | 37.02±4.14b | 61.61±4.52a | 46.21±4.36b | 39.53±2.55b | 0.029 |
2.3 饲粮添加铁苋菜粉对黄羽肉鸡血清抗氧化指标的影响
表5 饲粮添加铁苋菜粉对黄羽肉鸡血清抗氧化指标的影响Table 5 Effects of dietary Acalypha australis L. powder on serum antioxidant indices of yellow-feathered broilers |
| 项目 Items | 组别Groups | P值 P-value | ||||
|---|---|---|---|---|---|---|
| AAL0 | AAL0+K | AAL1000 | AAL2000 | AAL3000 | ||
| 第32天Day 32 | ||||||
| 总抗氧化能力 T-AOC/(U/mL) | 1.59±0.20a | 1.47±0.21ab | 1.54±0.32a | 1.25±0.15b | 1.26±0.10b | 0.026 |
| 超氧化物歧化酶 SOD/(U/mL) | 4.53±3.25b | 4.77±3.35b | 7.41±1.20a | 8.01±4.93a | 9.45±5.50a | 0.043 |
| 丙二醛 MDA/(μg/mL) | 0.98±0.31a | 0.87±0.10ab | 0.80±0.07ab | 0.76±0.11b | 0.72±0.17b | 0.047 |
| 谷胱甘肽过氧化物酶 GSH-Px/(U/mL) | 111.02±20.31 | 111.51±17.54 | 111.36±53.88 | 134.51±25.11 | 138.32±41.03 | 0.444 |
| 第64天Day 64 | ||||||
| 总抗氧化能力 T-AOC/(U/mL) | 2.57±0.39 | 2.36±0.48 | 2.08±0.36 | 2.41±0.45 | 2.74±0.64 | 0.208 |
| 超氧化物歧化酶 SOD/(U/mL) | 13.23±7.30b | 14.66±9.83b | 16.93±8.70b | 20.37±7.38a | 22.41±13.47a | 0.044 |
| 丙二醛 MDA/(μg/mL) | 1.14±0.20 | 1.20±0.80 | 1.02±0.12 | 0.95±0.07 | 0.94±0.19 | 0.699 |
| 谷胱甘肽过氧化物酶 GSH-Px/(U/mL) | 94.67±30.91b | 128.42±36.89ab | 140.68±71.70a | 133.18±48.46a | 146.21±18.59a | 0.034 |
2.4 饲粮添加铁苋菜粉对黄羽肉鸡肠道形态结构的影响
表6 饲粮添加铁苋菜粉对黄羽肉鸡肠道形态结构的影响Table 6 Effects of dietary Acalypha australis L. powder on intestinal morphology and structure of yellow-feathered broilers |
| 项目 Items | 组别Groups | P值 P-value | ||||
|---|---|---|---|---|---|---|
| AAL0 | AAL0+K | AAL1000 | AAL2000 | AAL3000 | ||
| 第32天Day 32 | ||||||
| 绒毛高度 Villus height/μm | 1 385.78±71.14b | 1 562.34±146.10a | 1 474.22±145.10ab | 1 622.72±120.34a | 1 328.82±101.06b | 0.016 |
| 隐窝深度 Crypt depth/μm | 219.97±38.95 | 218.33±28.71 | 207.14±22.45 | 223.80±29.64 | 202.35±30.28 | 0.063 |
| 绒毛高度/隐窝深度 V/C | 6.30±0.58b | 7.16±0.81a | 7.12±0.93a | 7.25±1.08a | 6.57±1.31b | 0.033 |
| 第64天Day 64 | ||||||
| 绒毛高度 Villus height/μm | 1 090.96±147.14b | 1 400.24±218.86a | 1 217.90±45.07ab | 1 593.78±57.13a | 1 487.92±252.22a | 0.021 |
| 隐窝深度 Crypt depth/μm | 208.74±37.72 | 227.87±48.16 | 213.05±34.29 | 217.66±31.05 | 211.06±32.80 | 0.074 |
| 绒毛高度/隐窝深度 V/C | 5.23±0.84b | 6.14±0.66ab | 5.72±0.65b | 7.32±0.55a | 7.05±0.68a | 0.046 |
图1 饲粮添加铁苋菜粉对第32天黄羽肉鸡回肠形态的影响图a~图e分别代表对照组(AAL0组)、抗生素组(AAL0+K组)、AAL1000组、AAL2000组和AAL3000组。图2同。 Fig.1 Effects of dietary Acalypha australis L. powder on ileum morphology of yellow-feathered broilers on day 32 (100×) Fig.a to Fig.e represented control group (AAL0 group), antibiotic group (ALL0+K group), AAL1000 group, AAL2000 group and AAL3000 group, respectively. The same as Fig.2. |
2.5 饲粮添加铁苋菜粉对黄羽肉鸡盲肠微生物群落的影响
2.5.1 饲粮添加铁苋菜粉对黄羽肉鸡盲肠微生物群落物种多样性的影响
2.5.1.1 饲粮添加铁苋菜粉对黄羽肉鸡盲肠微生物群落alpha多样性的影响
2.5.1.2 饲粮添加铁苋菜粉对黄羽肉鸡盲肠微生物群落beta多样性的影响
2.5.2 饲粮添加铁苋菜粉对黄羽肉鸡盲肠微生物群落相对丰度的影响
2.5.2.1 饲粮添加铁苋菜粉对黄羽肉鸡盲肠微生物群落在门水平上相对丰度的影响
图5 饲粮添加铁苋菜粉对第32天黄羽肉鸡盲肠微生物群落在门水平上相对丰度的影响Fig.5 Effects of dietary Acalypha australis L. powder on relative abundance of microbial community at phylum level in cecum of yellow-feathered broilers on day 32 |
表7 饲粮添加铁苋菜粉对第32天黄羽肉鸡盲肠微生物群落在门水平上相对丰度的影响Table 7 Effects of dietary Acalypha australis L. powder on relative abundance of microbial community at phylum level in cecum of yellow-feathered broilers on day 32 |
| 项目 Items | 组别Groups | P值 P-value | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AAL0 | AAL0+K | AAL1000 | AAL2000 | AAL3000 | |||||||||
| 厚壁菌门Firmicutes | 75.89±15.32 | 76.88±1.51 | 74.89±22.09 | 68.08±18.41 | 62.85±9.22 | 0.753 | |||||||
| 拟杆菌门Bacteroidetes | 16.74±15.34b | 18.41±1.26b | 19.68±22.15ab | 27.36±18.98a | 29.64±11.28a | 0.032 | |||||||
| Uroviricota | 1.79±0.58a | 0.99±0.21b | 1.67±3.92a | 1.15±0.12ab | 1.75±0.27a | 0.046 | |||||||
| 未分类菌 Unclassified_d_Bacteria | 1.59±0.11 | 1.69±0.17 | 1.58±0.33 | 1.49±0.25 | 1.47±0.10 | 0.813 | |||||||
| 变形菌门Proteobacteria | 2.50±1.69a | 0.62±0.16b | 1.46±1.78ab | 0.90±0.15b | 0.91±22.43b | 0.045 | |||||||
| 放线菌门Actinobacteria | 1.10±0.50a | 0.40±0.12b | 0.49±0.12b | 0.48±0.06b | 0.45±0.47b | 0.029 | |||||||
| 软壁菌门Tenericutes | 0.03±0.01b | 0.55±0.91a | 0.22±0.04a | 0.37±0.45a | 0.21±0.19a | 0.013 | |||||||
| 广古菌门Euryarchaeota | 0.00±0.00 | 0.01±0.01 | 0.01±0.00 | 0.01±0.00 | 0.01±0.00 | 0.081 | |||||||
图6 饲粮添加铁苋菜粉对第64天黄羽肉鸡盲肠微生物群落在门水平上相对丰度的影响Fig.6 Effects of dietary Acalypha australis L. powder on relative abundance of microbial community at phylum level in cecum of yellow-feathered broilers on day 64 |
表8 饲粮添加铁苋菜粉对第64天黄羽肉鸡盲肠微生物群落在门水平上相对丰度的影响Table 8 Effects of dietary Acalypha australis L. powder on relative abundance of microbial community at phylum level in cecum of yellow-feathered broilers on day 64 |
| 项目 Items | 组别Groups | P值 P-value | ||||
|---|---|---|---|---|---|---|
| AAL0 | AAL0+K | AAL1000 | AAL2000 | AAL3000 | ||
| 厚壁菌门Firmicutes | 55.83±23.00 | 49.68±3.36 | 52.54±4.00 | 48.53±14.97 | 48.87±3.45 | 0.944 |
| 拟杆菌门Bacteroidetes | 32.70±8.00b | 33.83±0.26b | 33.56±24.72b | 38.11±19.40a | 39.39±2.41a | 0.049 |
| 变形菌门Proteobacteria | 3.11±4.70b | 7.45±4.15a | 2.41±1.32b | 2.80±1.06b | 2.69±0.75b | 0.035 |
| Uroviricota | 2.06±0.42b | 2.62±1.40ab | 3.60±2.74a | 2.58±0.74ab | 3.68±2.66a | 0.043 |
| 未分类菌 Unclassified_d_Bacteria | 3.50±1.57 | 2.24±1.01 | 4.33±3.26 | 1.81±0.54 | 2.43±0.74 | 0.423 |
| 广古菌门Euryarchaeota | 2.06±0.61 | 2.60±0.98 | 1.75±0.87 | 1.36±1.95 | 1.57±0.73 | 0.502 |
| 放线菌门Actinobacteria | 0.36±0.09 | 0.46±0.36 | 0.26±0.09 | 0.48±1.08 | 0.39±0.15 | 0.497 |
| 软壁菌门Tenericutes | 0.35±0.09 | 0.27±0.22 | 0.12±0.11 | 0.23±0.12 | 0.17±0.05 | 0.301 |
2.5.2.2 饲粮添加铁苋菜粉对黄羽肉鸡盲肠微生物群落在属水平上相对丰度的影响
图7 饲粮添加铁苋菜粉对第32天黄羽肉鸡盲肠微生物群落在属水平上相对丰度的影响Fig.7 Effects of dietary Acalypha australis L. powder on relative abundance of microbial community at genus level in cecum of yellow-feathered broilers on day 32 |
表9 饲粮添加铁苋菜粉对第32天黄羽肉鸡盲肠微生物群落在属水平上相对丰度的影响Table 9 Effects of dietary Acalypha australis L. powder on relative abundance of microbial community at genus level in cecum of yellow-feathered broilers on day 32 |
| 项目 Items | 组别Groups | P值 P-value | ||||
|---|---|---|---|---|---|---|
| AAL0 | AAL0+K | AAL1000 | AAL2000 | AAL3000 | ||
| 拟杆菌属Bacteroides | 10.76±9.28b | 22.97±16.08a | 14.29±7.40b | 12.57±3.50b | 16.48±18.95b | 0.028 |
| Mediterraneibacter | 6.41±1.54 | 4.72±2.24 | 4.02±1.63 | 5.83±3.40 | 5.71±2.82 | 0.762 |
| 布劳特氏菌属Blautia | 4.92±1.84 | 4.65±1.96 | 3.31±1.08 | 3.45±0.87 | 4.44±3.03 | 0.781 |
| Phocaeicola | 3.56±5.72b | 0.56±0.39c | 10.77±11.44a | 3.78±4.02b | 0.80±0.78c | 0.029 |
| Lachnoclostridium | 3.48±2.00 | 3.81±0.87 | 2.67±0.65 | 4.12±0.60 | 2.97±1.25 | 0.579 |
| 芽殖菌属Gemmiger | 0.67±1.14b | 2.32±1.09b | 2.64±0.76b | 5.46±2.04a | 6.61±0.23a | 0.001 |
| 未分类_o_真细菌目 unclassified_o_Eubacteriales | 3.26±1.00 | 2.84±0.67 | 2.74±1.14 | 2.98±0.23 | 3.25±1.23 | 0.937 |
| Flavonifractor | 3.20±0.82 | 2.83±1.49 | 3.02±0.31 | 3.40±1.60 | 2.42±0.36 | 0.890 |
| 粪杆菌属Faecalibacterium | 1.47±1.07ab | 0.44±0.25b | 5.64±6.33a | 3.04±1.96a | 3.59±2.33a | 0.046 |
| 未分类_f_毛螺菌科 Unclassified_f_ Lachnospiraceae | 2.41±0.43 | 2.73±0.48 | 2.33±0.95 | 2.85±0.61 | 2.74±1.16 | 0.896 |
图8 饲粮添加铁苋菜粉对第64天黄羽肉鸡盲肠微生物群落在属水平上相对丰度的影响Fig.8 Effects of dietary Acalypha australis L. powder on relative abundance of microbial community at genus level in cecum of yellow-feathered broilers on day 64 |
表10 饲粮添加铁苋菜粉对第64天黄羽肉鸡盲肠微生物群落在属水平上相对丰度的影响Table 10 Effects of dietary Acalypha australis L. powder on relative abundance of microbial community at genus level in cecum of yellow-feathered broilers on day 32 |
| 项目 Items | 组别Groups | P值 P-value | ||||
|---|---|---|---|---|---|---|
| AAL0 | AAL0+K | AAL1000 | AAL2000 | AAL3000 | ||
| 另枝菌属Alistipes | 12.03±2.22b | 20.34±1.75a | 16.28±7.73b | 16.05±8.99b | 22.41±10.96a | 0.042 |
| 巴恩斯氏菌属Barnesiella | 6.93±9.24a | 1.66±0.37b | 9.58±14.24a | 0.78±0.37b | 6.21±8.65a | 0.031 |
| 拟杆菌属Bacteroides | 8.76±11.60a | 3.41±1.36b | 4.10±0.54b | 3.07±0.91b | 2.68±0.66b | 0.024 |
| 粪杆菌属Faecalibacterium | 2.79±0.91 | 2.96±0.97 | 3.59±1.66 | 3.87±2.47 | 3.64±2.55 | 0.459 |
| 梭菌属Clostridium | 2.97±0.35 | 2.34±0.32 | 2.96±2.00 | 3.57±2.92 | 2.40±0.20 | 0.874 |
| 未分类_o_真细菌目 unclassified_o_Eubacteriales | 2.63±0.11 | 2.39±0.31 | 2.21±0.62 | 2.74±1.09 | 2.26±0.31 | 0.775 |
| Mediterraneibacter | 1.67±0.47 | 3.30±2.21 | 1.88±0.37 | 2.17±1.48 | 2.49±1.61 | 0.663 |
| Phocaeicola | 1.40±0.13 | 2.07±0.67 | 2.58±0.67 | 2.59±3.19 | 2.23±0.31 | 0.933 |
| Candidatus_Enterousia | 2.59±3.98a | 3.64±3.52a | 2.09±2.96a | 0.80±0.41b | 1.17±0.95b | 0.033 |
| 未分类_f_长尾噬菌体科 Unclassified_f_Siphoviridae | 1.27±0.25b | 1.78±0.93ab | 2.70±2.20a | 1.58±0.31ab | 2.78±2.07a | 0.048 |
2.5.3 饲粮添加铁苋菜粉对黄羽肉鸡盲肠微生物群落组成差异分析
图9 饲粮添加铁苋菜粉对第32天黄羽肉鸡盲肠微生物群落在属水平上差异显著物种分布的影响Fig.9 Effects of dietary Acalypha australis L. powder on species distribution of microbial community at genus level in cecum of yellow-feathered broilers on day 32 |

京公网安备 11010802041926号