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 3.60
Milk (kg) -12.00 -0.014 0.17
Fat (kg) -2.23 -0.375 0.84
Prot (kg) -5.89 -0.441 2.60
Fertility Sub Index -6.08
Calving Interval (days) 3.12 -1.459 -4.55
Survival (%) -1.37 1.117 -1.53
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -1.00
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 2.43 -0.432 -1.05
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index -3.04

* Based on an €80/tonne carbon price