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 3.20
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -2.70 -0.375 1.01
Prot (kg) -3.05 -0.441 1.35
Fertility Sub Index -5.10
Calving Interval (days) 2.50 -1.459 -3.65
Survival (%) -1.30 1.117 -1.45
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.10
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index -1.02

* Based on an €80/tonne carbon price