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 21.03
Milk (kg) -313.00 -0.014 4.38
Fat (kg) -25.17 -0.375 9.43
Prot (kg) -16.37 -0.441 7.23
Fertility Sub Index 3.85
Calving Interval (days) -2.54 -1.459 3.71
Survival (%) 0.13 1.117 0.15
Calving Sub Index -0.02
Gestation Length (days) 0.02 -0.919 -0.02
Beef Sub Index 0.63
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.23 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index 4.72
Live WT (kg) -15.40 -0.307 4.72
Total Carbon Sub Index 30.21

* Based on an €80/tonne carbon price