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 2.99
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -0.27 -0.375 0.10
Prot (kg) -2.23 -0.441 0.98
Fertility Sub Index 2.60
Calving Interval (days) -0.99 -1.459 1.44
Survival (%) 1.03 1.117 1.15
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.61
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.04 -0.432 -0.45
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 15.82

* Based on an €80/tonne carbon price