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 -3.05
Milk (kg) -13.00 -0.014 0.18
Fat (kg) 2.00 -0.375 -0.75
Prot (kg) 5.63 -0.441 -2.48
Fertility Sub Index -1.67
Calving Interval (days) 0.69 -1.459 -1.01
Survival (%) -0.59 1.117 -0.66
Calving Sub Index 2.30
Gestation Length (days) -2.50 -0.919 2.30
Beef Sub Index -0.20
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 3.52 -0.432 -1.52
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index -1.09

* Based on an €80/tonne carbon price