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 3.76
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -2.70 -0.375 1.01
Prot (kg) -3.43 -0.441 1.51
Fertility Sub Index 0.07
Calving Interval (days) -0.02 -1.459 0.03
Survival (%) 0.04 1.117 0.04
Calving Sub Index 0.98
Gestation Length (days) -1.07 -0.919 0.98
Beef Sub Index 0.26
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.94 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 5.67
Live WT (kg) -18.50 -0.307 5.67
Total Carbon Sub Index 10.75

* Based on an €80/tonne carbon price