Table 1 Descriptive reproductive performance outcomes of 116 cows as well as of 33 cows with signs of SCE after the intrauterine administration of 1.5–2 × 1010 cfu of L. buchneri DSM 32407 diluted in 20 ml isotonic saline solution 0.9% (LAC group) or 20 ml isotonic saline solution 0.9% as a placebo (PLA group) on days 24–30 pp.
Variable | LAC group | PLA group | P-value | LAC/SCE group | PLA/SCE group | P-value |
|---|---|---|---|---|---|---|
Number of cows | 56 | 60 | 16 | 17 | ||
Number of cows inseminated | 46 | 50 | 12 | 17 | ||
Number of cows sold/culled before pregnancy | 14 (25%) | 15 (25%) | 6 (37.5%) | 2 (11.8%) | ||
Number of cows pregnant | 42 (75%) | 45 (75%) | 10 (62.5%) | 15 (88.2%) | ||
Median days to first service | 67 | 81 | 0.157 | 63 | 65 | 0.107 |
Conception at first service | 45.7% | 30% | 60% | 13.3% | ||
Services per pregnancy | 1.9 | 2.4 | 0.087 | 1.7 | 3.3 | 0.012 |
Number of cows pregnant on day 200 pp | 39 | 36 | 10 | 10 | ||
Median days to conception (of cows pregnant on day 200 pp) | 103 | 133 | 0.035 | 74 | 164 | 0.001 |
