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 0.44
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -2.44 -0.375 0.91
Prot (kg) 1.27 -0.441 -0.56
Fertility Sub Index 0.63
Calving Interval (days) -0.30 -1.459 0.44
Survival (%) 0.17 1.117 0.19
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 0.16
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.18 -0.432 -1.37
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 10.70

* Based on an €80/tonne carbon price