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 1.21
Milk (kg) -104.00 -0.014 1.46
Fat (kg) 2.11 -0.375 -0.79
Prot (kg) -1.24 -0.441 0.55
Fertility Sub Index 3.34
Calving Interval (days) -2.06 -1.459 3.01
Survival (%) 0.30 1.117 0.34
Calving Sub Index 1.25
Gestation Length (days) -1.36 -0.919 1.25
Beef Sub Index -1.12
Carcass Weight (kg) 2.00 -0.528 -1.06
Age of Slaughter (days) 0.16 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 6.68

* Based on an €80/tonne carbon price