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 1.89
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -0.46 -0.375 0.17
Prot (kg) -1.07 -0.441 0.47
Fertility Sub Index 4.20
Calving Interval (days) -2.20 -1.459 3.21
Survival (%) 0.89 1.117 0.99
Calving Sub Index 1.88
Gestation Length (days) -2.05 -0.919 1.88
Beef Sub Index -3.09
Carcass Weight (kg) 4.00 -0.528 -2.11
Age of Slaughter (days) 2.26 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index -0.52
Live WT (kg) 1.70 -0.307 -0.52
Total Carbon Sub Index 4.37

* Based on an €80/tonne carbon price