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 2.90
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -1.30 -0.375 0.49
Prot (kg) -2.27 -0.441 1.00
Fertility Sub Index 2.58
Calving Interval (days) -0.98 -1.459 1.43
Survival (%) 1.03 1.117 1.15
Calving Sub Index 0.30
Gestation Length (days) -0.33 -0.919 0.30
Beef Sub Index 1.58
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) 2.81 -0.432 -1.21
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 9.94

* Based on an €80/tonne carbon price