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 12.15
Milk (kg) -242.00 -0.014 3.39
Fat (kg) -11.47 -0.375 4.30
Prot (kg) -10.12 -0.441 4.47
Fertility Sub Index 9.59
Calving Interval (days) -6.45 -1.459 9.41
Survival (%) 0.16 1.117 0.18
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 1.39
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) -3.59 -0.432 1.55
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 25.11

* Based on an €80/tonne carbon price