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 5.75
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -3.00 -0.375 1.12
Prot (kg) -6.96 -0.441 3.07
Fertility Sub Index -2.79
Calving Interval (days) 2.37 -1.459 -3.46
Survival (%) 0.60 1.117 0.67
Calving Sub Index 0.85
Gestation Length (days) -0.93 -0.919 0.85
Beef Sub Index 0.07
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 0.21 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 0.64
Live WT (kg) -2.10 -0.307 0.64
Total Carbon Sub Index 4.52

* Based on an €80/tonne carbon price