Table 1. Comparison of milk LGB concentration between the horse breeds and lactation time-points.
| Lactation stage / horse breed | Number of milk samples | Average milk LGB conc. (g/L) | SEM |
|---|---|---|---|
| Week 5 | 70 | 2.93 | 0.08 |
| Week 10 | 72 | 2.99 | 0.09 |
| Week 15 | 70 | 2.83 | 0.09 |
| PPH | 59 | 2.73A | 0.09 |
| PWH | 79 | 3.08A | 0.09 |
| PCH | 75 | 2.89 | 0.08 |
SEM—standard error of the mean. Horse breeds acronyms: PPH—Polish Primitive Horse, PWH—Polish Warmblood Horse, PCH—Polish Coldblood Horse. Values marked by the same uppercase letter differed significantly (p < 0.01).