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 21.10
Milk (kg) -503.00 -0.014 7.04
Fat (kg) -21.70 -0.375 8.13
Prot (kg) -13.43 -0.441 5.93
Fertility Sub Index 4.29
Calving Interval (days) -3.36 -1.459 4.90
Survival (%) -0.55 1.117 -0.61
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 2.87
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) -3.97 -0.432 1.71
Maintenance Sub Index Maint. Sub Index 4.51
Live WT (kg) -14.70 -0.307 4.51
Total Carbon Sub Index 33.87

* Based on an €80/tonne carbon price