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 1.60
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) -2.15 -0.375 0.81
Prot (kg) -2.08 -0.441 0.92
Fertility Sub Index 0.52
Calving Interval (days) -0.39 -1.459 0.57
Survival (%) -0.04 1.117 -0.04
Calving Sub Index -1.03
Gestation Length (days) 1.12 -0.919 -1.03
Beef Sub Index 0.20
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.99 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 2.80

* Based on an €80/tonne carbon price