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 2.53
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -1.39 -0.375 0.52
Prot (kg) -2.27 -0.441 1.00
Fertility Sub Index 6.51
Calving Interval (days) -3.26 -1.459 4.76
Survival (%) 1.57 1.117 1.75
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 1.62
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) -1.06 -0.432 0.46
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 19.15

* Based on an €80/tonne carbon price