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 2.03
Milk (kg) -37.00 -0.014 0.52
Fat (kg) -0.96 -0.375 0.36
Prot (kg) -2.60 -0.441 1.15
Fertility Sub Index -5.12
Calving Interval (days) 2.44 -1.459 -3.56
Survival (%) -1.40 1.117 -1.56
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.02
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.67 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index -1.73

* Based on an €80/tonne carbon price