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 4.90
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -5.84 -0.375 2.19
Prot (kg) -2.54 -0.441 1.12
Fertility Sub Index 2.67
Calving Interval (days) -0.79 -1.459 1.15
Survival (%) 1.36 1.117 1.52
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.04
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 1.26 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 6.01
Live WT (kg) -19.60 -0.307 6.01
Total Carbon Sub Index 19.58

* Based on an €80/tonne carbon price