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 5.60
Milk (kg) -192.00 -0.014 2.69
Fat (kg) -2.20 -0.375 0.82
Prot (kg) -4.74 -0.441 2.09
Fertility Sub Index 6.78
Calving Interval (days) -3.96 -1.459 5.78
Survival (%) 0.90 1.117 1.01
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index -0.44
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 2.37 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 15.46

* Based on an €80/tonne carbon price