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 1.02
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -1.20 -0.375 0.45
Prot (kg) -0.16 -0.441 0.07
Fertility Sub Index 2.56
Calving Interval (days) -0.79 -1.459 1.15
Survival (%) 1.26 1.117 1.41
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.23
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 16.30

* Based on an €80/tonne carbon price