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 2.31
Milk (kg) -41.00 -0.014 0.57
Fat (kg) -1.93 -0.375 0.72
Prot (kg) -2.29 -0.441 1.01
Fertility Sub Index -4.27
Calving Interval (days) 2.08 -1.459 -3.03
Survival (%) -1.11 1.117 -1.24
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.14
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index -1.15

* Based on an €80/tonne carbon price