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 0.30
Milk (kg) 5.00 -0.014 -0.07
Fat (kg) -0.87 -0.375 0.33
Prot (kg) -0.09 -0.441 0.04
Fertility Sub Index -2.29
Calving Interval (days) 0.79 -1.459 -1.15
Survival (%) -1.02 1.117 -1.14
Calving Sub Index 0.50
Gestation Length (days) -0.54 -0.919 0.50
Beef Sub Index 0.57
Carcass Weight (kg) 1.70 -0.528 -0.90
Age of Slaughter (days) -3.40 -0.432 1.47
Maintenance Sub Index Maint. Sub Index -2.05
Live WT (kg) 6.70 -0.307 -2.05
Total Carbon Sub Index -2.98

* Based on an €80/tonne carbon price