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 6.08
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -6.30 -0.375 2.36
Prot (kg) -5.67 -0.441 2.50
Fertility Sub Index 4.38
Calving Interval (days) -2.40 -1.459 3.50
Survival (%) 0.79 1.117 0.88
Calving Sub Index 0.08
Gestation Length (days) -0.09 -0.919 0.08
Beef Sub Index 0.55
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 13.98

* Based on an €80/tonne carbon price