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 -2.07
Milk (kg) -3.00 -0.014 0.04
Fat (kg) 7.33 -0.375 -2.75
Prot (kg) -1.43 -0.441 0.63
Fertility Sub Index -2.18
Calving Interval (days) 0.45 -1.459 -0.66
Survival (%) -1.36 1.117 -1.52
Calving Sub Index 2.69
Gestation Length (days) -2.93 -0.919 2.69
Beef Sub Index -2.95
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) 4.99 -0.432 -2.15
Maintenance Sub Index Maint. Sub Index -1.90
Live WT (kg) 6.20 -0.307 -1.90
Total Carbon Sub Index -6.40

* Based on an €80/tonne carbon price