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 13.04
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -16.01 -0.375 6.00
Prot (kg) -13.30 -0.441 5.87
Fertility Sub Index -7.13
Calving Interval (days) 3.44 -1.459 -5.02
Survival (%) -1.89 1.117 -2.11
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.03
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 0.93 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 6.59

* Based on an €80/tonne carbon price