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 2.22
Milk (kg) -74.00 -0.014 1.04
Fat (kg) 0.50 -0.375 -0.19
Prot (kg) -3.10 -0.441 1.37
Fertility Sub Index 6.48
Calving Interval (days) -3.56 -1.459 5.19
Survival (%) 1.15 1.117 1.28
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index 0.27
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.06 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 11.20

* Based on an €80/tonne carbon price