Table 5.
Study on microbial quantity of alfalfa silage on different days of silage.
| Items | Groups | Ensiling(d) | P-value | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1d | 3d | 5d | 7d | 15d | 30d | SEM | T | D | T×D | ||
| Lactic acid bacteria (Log10 cfu/g FM) | CK | 6.97Bd | 7.66Aa | 7.58Aab | 7.56Aab | 7.53Bbc | 7.45Ac | 0.01 | <0.01 | <0.01 | <0.01 |
| LP | 7.02Bb | 7.61Aa | 7.61Aa | 7.52Aa | 7.52Ba | 7.57Aa | |||||
| MP | 7.19Ab | 7.58Aa | 7.65Aa | 7.61Aa | 7.68Aa | 7.53Aa | |||||
| HP | 7.25Ac | 7.45Ab | 7.33Bc | 7.51Aab | 7.51Bab | 7.59Aa | |||||
| Enterobacteriaceae (Log10 cfu/g FM) | CK | 4.41Ba | 3.10Ab | 3.10Ab | ND | ND | ND | 0.06 | 0.2 | <0.01 | <0.01 |
| LP | 4.43Ba | 2.26Ab | 3.32Aab | ND | ND | ND | |||||
| MP | 6.17Aa | 2.16Ab | ND | ND | ND | ND | |||||
| HP | 6.14Aa | 3.16Ab | ND | ND | ND | ND | |||||
| Mold(Log10 cfu/g FM) | CK | 6.01Aa | ND | ND | ND | ND | ND | 0.01 | <0.01 | <0.01 | <0.01 |
| LP | 5.88Ba | ND | ND | ND | ND | ND | |||||
| MP | ND | ND | ND | ND | ND | ND | |||||
| HP | ND | ND | ND | ND | ND | ND | |||||
| Aerobic bacteria (Log10 cfu/g FM) | CK | 7.31Aa | 7.15Ab | 7.09Ab | 6.96Ac | 7.05Abc | 6.77Bd | 0.004 | <0.01 | <0.01 | <0.01 |
| LP | 7.05Cb | 7.15Aa | 6.94Cc | 6.98Ac | 6.97Bc | 6.82Bd | |||||
| MP | 7.15Ba | 7.07Bb | 7.02Bbc | 6.99Ac | 6.97Bc | 6.78Bd | |||||
| HP | 7.01Ca | 6.99Ca | 6.94Cbc | 6.97Aab | 6.92Bc | 6.92Ac | |||||
CK, without salt stress; LP, under light salt stress; MP, under moderate salt stress; HP, under severe salt stress; ND, not detected; cfu, colony forming unit; T, salt stress; D, ensiling day; T × D, interaction between salt stress and silage days; SEM, standard error of mean value. The mean values (a–d) of different letters in the same column were significantly different (P < 0.05).