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 6.03
Milk (kg) -143.00 -0.014 2.00
Fat (kg) -5.62 -0.375 2.11
Prot (kg) -4.35 -0.441 1.92
Fertility Sub Index 4.05
Calving Interval (days) -2.13 -1.459 3.11
Survival (%) 0.84 1.117 0.94
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.93
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) -0.57 -0.432 0.25
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 15.05

* Based on an €80/tonne carbon price