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 6.92
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -8.89 -0.375 3.33
Prot (kg) -5.62 -0.441 2.48
Fertility Sub Index 4.04
Calving Interval (days) -1.63 -1.459 2.38
Survival (%) 1.49 1.117 1.66
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.92
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 1.30 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 5.49
Live WT (kg) -17.90 -0.307 5.49
Total Carbon Sub Index 22.17

* Based on an €80/tonne carbon price