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 1.82
Milk (kg) -44.00 -0.014 0.62
Fat (kg) -2.48 -0.375 0.93
Prot (kg) -0.62 -0.441 0.27
Fertility Sub Index 4.20
Calving Interval (days) -2.15 -1.459 3.14
Survival (%) 0.95 1.117 1.06
Calving Sub Index -1.79
Gestation Length (days) 1.95 -0.919 -1.79
Beef Sub Index -2.44
Carcass Weight (kg) 8.60 -0.528 -4.54
Age of Slaughter (days) -4.85 -0.432 2.09
Maintenance Sub Index Maint. Sub Index -6.28
Live WT (kg) 20.50 -0.307 -6.28
Total Carbon Sub Index -4.50

* Based on an €80/tonne carbon price