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) -57.00 -0.014 0.80
Fat (kg) -1.56 -0.375 0.58
Prot (kg) -1.90 -0.441 0.84
Fertility Sub Index 4.04
Calving Interval (days) -2.31 -1.459 3.37
Survival (%) 0.60 1.117 0.67
Calving Sub Index -0.27
Gestation Length (days) 0.29 -0.919 -0.27
Beef Sub Index 0.52
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.48 -0.432 -0.64
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 9.43

* Based on an €80/tonne carbon price