Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 12.73
Milk (kg) -247.00 -0.014 3.46
Fat (kg) -12.44 -0.375 4.66
Prot (kg) -10.44 -0.441 4.61
Fertility Sub Index 1.23
Calving Interval (days) -0.72 -1.459 1.05
Survival (%) 0.16 1.117 0.18
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.38
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 3.70 -0.432 -1.60
Maintenance Sub Index Maint. Sub Index 5.24
Live WT (kg) -17.10 -0.307 5.24
Total Carbon Sub Index 22.51

* Based on an €80/tonne carbon price