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 0.64
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -0.39 -0.375 0.15
Prot (kg) -0.55 -0.441 0.24
Fertility Sub Index 4.15
Calving Interval (days) -1.62 -1.459 2.36
Survival (%) 1.60 1.117 1.79
Calving Sub Index 0.76
Gestation Length (days) -0.83 -0.919 0.76
Beef Sub Index -1.64
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 8.33 -0.432 -3.60
Maintenance Sub Index Maint. Sub Index 7.20
Live WT (kg) -23.50 -0.307 7.20
Total Carbon Sub Index 11.12

* Based on an €80/tonne carbon price