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 10.71
Milk (kg) -191.00 -0.014 2.67
Fat (kg) -10.11 -0.375 3.79
Prot (kg) -9.63 -0.441 4.25
Fertility Sub Index 3.15
Calving Interval (days) -2.11 -1.459 3.08
Survival (%) 0.06 1.117 0.07
Calving Sub Index 1.19
Gestation Length (days) -1.29 -0.919 1.19
Beef Sub Index 0.26
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 18.62

* Based on an €80/tonne carbon price