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 8.05
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -7.75 -0.375 2.90
Prot (kg) -7.77 -0.441 3.43
Fertility Sub Index -5.52
Calving Interval (days) 2.65 -1.459 -3.87
Survival (%) -1.48 1.117 -1.65
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.12
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.44 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 4.00

* Based on an €80/tonne carbon price