Table 1 Heritability (h2) and repeatability (r) estimates for four mastitis traits studied in Chios sheep, by stage of lactation
From: The genomic architecture of mastitis resistance in dairy sheep
Trait | Parameter | Early lactation (weeks 1–7) | Mid lactation (weeks 8–17) | Late lactation (weeks 18–23) | Overall lactation (weeks 1–23) |
|---|---|---|---|---|---|
SCC | h2 | 0.10 (0.05) | 0.09 (0.05) | 0.18 (0.05) | 0.11 (0.05) |
r | 0.55 (0.03) | 0.54 (0.02) | 0.66 (0.02) | 0.58 (0.02) | |
CMT | h2 | 0.12 (0.06) | 0.10 (0.05) | 0.17 (0.06) | 0.12 (0.06) |
r | 0.60 (0.03) | 0.59 (0.02) | 0.68 (0.02) | 0.62 (0.02) | |
TVC | h2 | 0.09 (0.05) | 0.08 (0.04) | 0.15 (0.05) | 0.09 (0.05) |
r | 0.28 (0.04) | 0.27 (0.03) | 0.34 (0.04) | 0.33 (0.04) | |
CM | h2 | NA | NA | NA | 0.18 (0.10) |
r | NA | NA | NA | 0.35 (0.06) |