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 5.84
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -2.50 -0.375 0.94
Prot (kg) -5.90 -0.441 2.60
Fertility Sub Index 6.04
Calving Interval (days) -2.36 -1.459 3.44
Survival (%) 2.32 1.117 2.59
Calving Sub Index 1.46
Gestation Length (days) -1.59 -0.919 1.46
Beef Sub Index 0.88
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) -0.70 -0.432 0.30
Maintenance Sub Index Maint. Sub Index 5.00
Live WT (kg) -16.30 -0.307 5.00
Total Carbon Sub Index 19.21

* Based on an €80/tonne carbon price