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 5.19
Milk (kg) -120.00 -0.014 1.68
Fat (kg) -3.69 -0.375 1.38
Prot (kg) -4.83 -0.441 2.13
Fertility Sub Index 6.22
Calving Interval (days) -3.43 -1.459 5.00
Survival (%) 1.09 1.117 1.22
Calving Sub Index 0.49
Gestation Length (days) -0.53 -0.919 0.49
Beef Sub Index -0.03
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 3.00 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 15.12

* Based on an €80/tonne carbon price