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 1.70
Milk (kg) -173.00 -0.014 2.42
Fat (kg) 3.27 -0.375 -1.22
Prot (kg) -1.14 -0.441 0.50
Fertility Sub Index 6.07
Calving Interval (days) -3.08 -1.459 4.49
Survival (%) 1.41 1.117 1.58
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 3.15
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -3.01 -0.432 1.30
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 20.20

* Based on an €80/tonne carbon price