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 2.41
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -0.16 -0.375 0.06
Prot (kg) -1.33 -0.441 0.59
Fertility Sub Index 0.30
Calving Interval (days) -0.56 -1.459 0.82
Survival (%) -0.46 1.117 -0.51
Calving Sub Index 0.89
Gestation Length (days) -0.97 -0.919 0.89
Beef Sub Index 1.09
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 2.64
Live WT (kg) -8.60 -0.307 2.64
Total Carbon Sub Index 7.33

* Based on an €80/tonne carbon price