Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 3.20
Milk (kg) -61.00 -0.014 0.85
Fat (kg) -2.26 -0.375 0.85
Prot (kg) -3.39 -0.441 1.50
Fertility Sub Index -0.10
Calving Interval (days) -0.04 -1.459 0.06
Survival (%) -0.14 1.117 -0.16
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.53
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index 2.69

* Based on an €80/tonne carbon price