[22] | Broiler chickens | 22°C vs. 32°C for 14 days | Cecum | 428 vs. 440 | 5.48 vs. 5.46 | ↑ by 14% | ↓ | = | = |
[28] | Broiler chickens | 24°C–26°C vs. 34°C–38°C for 28 days | Cecum (day 3) | - | - | 57.7 vs. 55.9 | 37.0 vs. 39.4 | 4.97 vs. 3.62 | = |
| | | Cecum (day 7) | - | - | 58.5 vs. 68.5↑ | 33.2 vs. 22.5↓ | 7.29 vs. 6.76 | Tenericutes: 1.0 vs. 0.74↓ |
| | | Cecum (day 14) | - | - | 62.5 vs. 71.7↑ | 32.8 vs. 23.6↓ | 3.01 vs. 4.03↑ | Cyanobacteria: 0.52 vs. 0.13↓ |
| | | Cecum (day 28) | - | - | 68.6 vs. 69.3 | 26.2 vs. 26.7 | 3.43 vs. 2.22 | = |
[36] | Cows (high HS sensitivity) | THI of 65.5 vs. 80.2 | Feces | - | -. | ↓ | = | = | = |
| Cows (low HS sensitivity) | THI of 65.5 vs. 80.2 | Feces | - | - | = | ↑ | = | = |
[19] | Broiler chickens | 21°C vs. 31°C from 28 to 42 days | Ileum | 95.5 vs. 176↑ | 1.90 vs. 2.27 | 85.6 vs. 92.2↑ | 5.07 vs. 2.58↓ | 7.39 vs. 1.93↓ | = |
[21] | Hens | 21°C vs. 29°C–35°C for 28 days | Cecum | = | - | 18.7 vs. 17.4 | 49.9 vs. 54.8 | = | = |
[31] | Laying hens | 25°C vs. 35°C for 24 h | Feces | - | - | 54.7% vs. 45.9% ↓ | 26.1% vs. 43.1%↑ | 6.57% vs. 3.70% ↓ | Fusobacteria↓ |
[23] | Cherry-valley ducks | 25°C vs. 32°C for 8 h/day for 21 days | Jejunum | - | = | 45.4 vs. 12.0 ↓ | = | 39.0 vs.72.7↑ | = |
| | | Ileum | - | = | = | = | = | = |
| | | Cecum | | = | = | = | = | = |
[24] | Sows | 18°C–22°C vs. 28°C–32°C for 30 days | Feces | 754 vs. 797 | 4.85 vs. 4.95 | = | = | = | Spirochaeta↓ (tended) |
[20] | Pigs | 25°C vs. 29°C for 21 days | Feces | - | = | 66.9 vs. 70.8↑ | 24.9 vs. 17.6↓ | 0.79 vs. 0.77 | Spirochaetes: 1.4 vs. 2.11↑ |
| | | | | | | | | Fibrobacteres: 0.25 vs. 0.40↑ |
| | | | | | | | | Tenericutes: 0.01 vs. 0.03↑ |
[25] | Pigs | 25°C vs. 35°C for 24 h | Feces | - | = | = | ↓ | ↑ | = |
[27] | | 15°C vs. 35°C for 6 days | Rumen | = | = | = | = | ↓ | Planctomycetes↓, Chloroflexi↓ |