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 2.79
Milk (kg) -113.00 -0.014 1.58
Fat (kg) 1.50 -0.375 -0.56
Prot (kg) -4.01 -0.441 1.77
Fertility Sub Index 0.04
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) 0.06 1.117 0.07
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.29
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.15 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 3.84

* Based on an €80/tonne carbon price