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 6.40
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -5.25 -0.375 1.97
Prot (kg) -5.03 -0.441 2.22
Fertility Sub Index 7.65
Calving Interval (days) -4.39 -1.459 6.41
Survival (%) 1.11 1.117 1.24
Calving Sub Index 0.95
Gestation Length (days) -1.03 -0.919 0.95
Beef Sub Index 0.13
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 18.00

* Based on an €80/tonne carbon price