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 1.01
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -1.48 -0.375 0.55
Prot (kg) -0.52 -0.441 0.23
Fertility Sub Index 5.03
Calving Interval (days) -2.94 -1.459 4.29
Survival (%) 0.66 1.117 0.74
Calving Sub Index -0.25
Gestation Length (days) 0.27 -0.919 -0.25
Beef Sub Index 0.14
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.51 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 8.44

* Based on an €80/tonne carbon price