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 7.34
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -7.22 -0.375 2.70
Prot (kg) -5.52 -0.441 2.44
Fertility Sub Index -3.17
Calving Interval (days) 0.44 -1.459 -0.64
Survival (%) -2.26 1.117 -2.52
Calving Sub Index 2.03
Gestation Length (days) -2.21 -0.919 2.03
Beef Sub Index -3.33
Carcass Weight (kg) 5.20 -0.528 -2.74
Age of Slaughter (days) 1.37 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index -3.07
Live WT (kg) 10.00 -0.307 -3.07
Total Carbon Sub Index -0.19

* Based on an €80/tonne carbon price