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 15.20
Milk (kg) -323.00 -0.014 4.52
Fat (kg) -12.80 -0.375 4.79
Prot (kg) -13.32 -0.441 5.88
Fertility Sub Index 6.60
Calving Interval (days) -3.11 -1.459 4.54
Survival (%) 1.85 1.117 2.07
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 3.03
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -3.35 -0.432 1.45
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 34.11

* Based on an €80/tonne carbon price