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 2.37
Milk (kg) -2.00 -0.014 0.03
Fat (kg) -2.74 -0.375 1.03
Prot (kg) -2.98 -0.441 1.32
Fertility Sub Index -8.48
Calving Interval (days) 4.22 -1.459 -6.16
Survival (%) -2.08 1.117 -2.32
Calving Sub Index 0.90
Gestation Length (days) -0.98 -0.919 0.90
Beef Sub Index 0.59
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) 5.47 -0.432 -2.36
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index -1.76

* Based on an €80/tonne carbon price