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 3.04
Milk (kg) -56.00 -0.014 0.78
Fat (kg) -3.50 -0.375 1.31
Prot (kg) -2.15 -0.441 0.95
Fertility Sub Index 4.04
Calving Interval (days) -2.18 -1.459 3.18
Survival (%) 0.77 1.117 0.86
Calving Sub Index 0.18
Gestation Length (days) -0.20 -0.919 0.18
Beef Sub Index 2.50
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 0.20 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 14.67

* Based on an €80/tonne carbon price