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 1.34
Milk (kg) -41.00 -0.014 0.57
Fat (kg) 0.75 -0.375 -0.28
Prot (kg) -2.37 -0.441 1.05
Fertility Sub Index 4.89
Calving Interval (days) -2.77 -1.459 4.04
Survival (%) 0.76 1.117 0.85
Calving Sub Index -0.45
Gestation Length (days) 0.49 -0.919 -0.45
Beef Sub Index 0.09
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 3.08 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 7.71

* Based on an €80/tonne carbon price