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) -134.00 -0.014 1.88
Fat (kg) -4.07 -0.375 1.52
Prot (kg) -4.54 -0.441 2.00
Fertility Sub Index -9.95
Calving Interval (days) 4.90 -1.459 -7.15
Survival (%) -2.51 1.117 -2.80
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.03
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) -0.05 -0.432 0.02
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index -3.42

* Based on an €80/tonne carbon price