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 3.17
Milk (kg) -87.00 -0.014 1.22
Fat (kg) 1.88 -0.375 -0.70
Prot (kg) -6.01 -0.441 2.65
Fertility Sub Index 7.61
Calving Interval (days) -4.53 -1.459 6.61
Survival (%) 0.90 1.117 1.01
Calving Sub Index 0.92
Gestation Length (days) -1.00 -0.919 0.92
Beef Sub Index 2.29
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 0.20 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 17.67

* Based on an €80/tonne carbon price