Screening and Characterization of Probiotics Isolated from Traditional Fermented Products of Ethnic-Minorities in Northwest China and Evaluation Replacing Antibiotics Breeding Effect in Broiler
25 sie 2024
O artykule
Kategoria artykułu: ORIGINAL PAPER
Data publikacji: 25 sie 2024
Zakres stron: 275 - 295
Otrzymano: 26 lut 2024
Przyjęty: 25 maj 2024
DOI: https://doi.org/10.33073/pjm-2024-025
Słowa kluczowe
© 2024 Ze Ye et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Fig. 1.

Fig. 2.

Fig. 3.

Fig. 4.

Fig. 5.

Fig. 6.

Fig. 7.

Fig. 8.

Fig. 9.

The susceptibility of candidate lactic acid bacteria (LAB) strains to different antibiotics_
Antibiotics | Dose (μg/disc) | Susceptibility | ||||||
---|---|---|---|---|---|---|---|---|
BM7-6 | DM-10 | DM6-2 | DM7-6 | DM9-7 | YF9-4 | YM7-6 | ||
Erythromycin | 15 | S | R | I | S | I | R | S |
Amikacin | 30 | S | N | S | N | N | R | R |
Ampicillin | 10 | I | I | I | S | S | S | I |
Penicillin | 10 | S | N | S | S | N | S | N |
Chloramphenicol | 30 | S | S | S | S | S | I | S |
Ceftazidime | 30 | S | R | R | I | I | S | S |
Tetracycline | 30 | S | N | I | S | N | S | R |
Ciprofloxacin | 5 | S | N | N | N | N | I | S |
Clindamycin | 2 | S | R | R | I | N | S | R |
Azithromycin | 10 | S | S | S | S | S | I | S |
The growth of probiotics in artificial gastric juice and intestinal juice_
Gastric juice | Intestinal juice | ||||||
---|---|---|---|---|---|---|---|
0 h (CFU/ml) | 3 h (CFU/ml) | Survival rate (%) | 7 h (CFU/ml) | Survival rate (%) | 11 h (CFU/ml) | Survival rate (%) | |
BM7-6 | 3.0 ± 0.5 × 108 | 7.8 ± 0.8 × 107 | 26.11 | 9.6 ± 1.0 × 106 | 3.2 | 8.7 ± 0.7 × 106 | 2.9 |
DM-10 | 2.8 ± 0.4 × 108 | 1.8 ± 0.3 × 107 | 6.55 | < 105 | < 1 | < 105 | < 1 |
DM6-2 | 1.7 ± 0.2 × 109 | 1.4 ± 0.4 × 108 | 7.92 | < 105 | < 1 | < 105 | < 1 |
DM7-6 | 3.1 ± 0.4 × 109 | 2.5 ± 0.6 × 109 | 79.79 | 1.5 ± 0.3 × 109 | 48.39 | 1.9 ± 0.7 × 109 | 61.29 |
DM9-7 | 5.8 ± 0.9 × 109 | 3.7 ± 0.8 × 109 | 63.22 | 2.5 ± 0.6 × 109 | 43.10 | 2.6 ± 0.5 × 109 | 44.82 |
YF9-4 | 7.6 ± 1.0 × 109 | 5.4 ± 0.7 × 109 | 71.05 | 4.2 ± 0.5 × 109 | 55.26 | 4.2 ± 1.4 × 109 | 55.26 |
YM7-6 | 2.3 ± 0.5 × 108 | 8.7 ± 0.8 × 107 | 37.14 | 2.7 ± 0.3 × 107 | 11.74 | 2.3 ± 0.6 × 107 | 10.00 |