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 7.36
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -6.90 -0.375 2.58
Prot (kg) -6.20 -0.441 2.74
Fertility Sub Index 6.71
Calving Interval (days) -5.06 -1.459 7.38
Survival (%) -0.60 1.117 -0.67
Calving Sub Index 1.23
Gestation Length (days) -1.34 -0.919 1.23
Beef Sub Index -0.08
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 16.45

* Based on an €80/tonne carbon price