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 21.47
Milk (kg) -487.00 -0.014 6.82
Fat (kg) -14.21 -0.375 5.32
Prot (kg) -21.13 -0.441 9.33
Fertility Sub Index 6.01
Calving Interval (days) -3.75 -1.459 5.47
Survival (%) 0.48 1.117 0.54
Calving Sub Index 0.25
Gestation Length (days) -0.27 -0.919 0.25
Beef Sub Index 0.09
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 30.47

* Based on an €80/tonne carbon price