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 5.40
Milk (kg) -143.00 -0.014 2.00
Fat (kg) -3.60 -0.375 1.35
Prot (kg) -4.64 -0.441 2.05
Fertility Sub Index 2.13
Calving Interval (days) -1.08 -1.459 1.58
Survival (%) 0.50 1.117 0.56
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.34
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.57 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 5.33
Live WT (kg) -17.40 -0.307 5.33
Total Carbon Sub Index 17.04

* Based on an €80/tonne carbon price