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 2.92
Milk (kg) -111.00 -0.014 1.55
Fat (kg) 1.18 -0.375 -0.44
Prot (kg) -4.10 -0.441 1.81
Fertility Sub Index 0.66
Calving Interval (days) -0.35 -1.459 0.51
Survival (%) 0.13 1.117 0.15
Calving Sub Index 1.11
Gestation Length (days) -1.21 -0.919 1.11
Beef Sub Index 1.90
Carcass Weight (kg) -7.50 -0.528 3.96
Age of Slaughter (days) 4.77 -0.432 -2.06
Maintenance Sub Index Maint. Sub Index 6.04
Live WT (kg) -19.70 -0.307 6.04
Total Carbon Sub Index 12.62

* Based on an €80/tonne carbon price