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 4.55
Milk (kg) -231.00 -0.014 3.23
Fat (kg) 1.24 -0.375 -0.46
Prot (kg) -4.03 -0.441 1.78
Fertility Sub Index 4.43
Calving Interval (days) -1.98 -1.459 2.89
Survival (%) 1.38 1.117 1.54
Calving Sub Index 3.18
Gestation Length (days) -3.46 -0.919 3.18
Beef Sub Index -4.04
Carcass Weight (kg) 3.10 -0.528 -1.64
Age of Slaughter (days) 5.56 -0.432 -2.40
Maintenance Sub Index Maint. Sub Index -1.90
Live WT (kg) 6.20 -0.307 -1.90
Total Carbon Sub Index 6.22

* Based on an €80/tonne carbon price