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 -1.95
Milk (kg) 5.00 -0.014 -0.07
Fat (kg) 8.08 -0.375 -3.03
Prot (kg) -2.60 -0.441 1.15
Fertility Sub Index -2.36
Calving Interval (days) 1.06 -1.459 -1.55
Survival (%) -0.73 1.117 -0.82
Calving Sub Index 0.60
Gestation Length (days) -0.65 -0.919 0.60
Beef Sub Index -0.17
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 4.19 -0.432 -1.81
Maintenance Sub Index Maint. Sub Index -0.43
Live WT (kg) 1.40 -0.307 -0.43
Total Carbon Sub Index -4.32

* Based on an €80/tonne carbon price