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 7.04
Milk (kg) -176.00 -0.014 2.46
Fat (kg) -5.86 -0.375 2.19
Prot (kg) -5.39 -0.441 2.38
Fertility Sub Index 6.68
Calving Interval (days) -4.08 -1.459 5.95
Survival (%) 0.65 1.117 0.73
Calving Sub Index 0.05
Gestation Length (days) -0.05 -0.919 0.05
Beef Sub Index 0.38
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.07 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 2.64
Live WT (kg) -8.60 -0.307 2.64
Total Carbon Sub Index 16.78

* Based on an €80/tonne carbon price