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 10.44
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -16.06 -0.375 6.02
Prot (kg) -6.25 -0.441 2.76
Fertility Sub Index 0.32
Calving Interval (days) 0.18 -1.459 -0.26
Survival (%) 0.52 1.117 0.58
Calving Sub Index -2.13
Gestation Length (days) 2.32 -0.919 -2.13
Beef Sub Index -2.05
Carcass Weight (kg) 7.50 -0.528 -3.96
Age of Slaughter (days) -4.41 -0.432 1.90
Maintenance Sub Index Maint. Sub Index 0.34
Live WT (kg) -1.10 -0.307 0.34
Total Carbon Sub Index 6.92

* Based on an €80/tonne carbon price