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 19.81
Milk (kg) -551.00 -0.014 7.71
Fat (kg) -14.32 -0.375 5.36
Prot (kg) -15.25 -0.441 6.73
Fertility Sub Index 6.71
Calving Interval (days) -4.15 -1.459 6.06
Survival (%) 0.59 1.117 0.66
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index 1.36
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.26 -0.432 -0.11
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 31.21

* Based on an €80/tonne carbon price