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 4.88
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -8.48 -0.375 3.18
Prot (kg) -0.90 -0.441 0.40
Fertility Sub Index 4.34
Calving Interval (days) -2.07 -1.459 3.02
Survival (%) 1.18 1.117 1.32
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.67
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -2.65 -0.432 1.14
Maintenance Sub Index Maint. Sub Index 6.47
Live WT (kg) -21.10 -0.307 6.47
Total Carbon Sub Index 22.16

* Based on an €80/tonne carbon price