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 8.89
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -7.88 -0.375 2.95
Prot (kg) -8.79 -0.441 3.88
Fertility Sub Index 1.73
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) 0.57 1.117 0.64
Calving Sub Index 0.22
Gestation Length (days) -0.24 -0.919 0.22
Beef Sub Index 2.75
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 0.35 -0.432 -0.15
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 15.43

* Based on an €80/tonne carbon price