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 3.68
Milk (kg) -50.00 -0.014 0.70
Fat (kg) -6.42 -0.375 2.40
Prot (kg) -1.30 -0.441 0.57
Fertility Sub Index -0.26
Calving Interval (days) -0.15 -1.459 0.22
Survival (%) -0.43 1.117 -0.48
Calving Sub Index 0.04
Gestation Length (days) -0.04 -0.919 0.04
Beef Sub Index -0.25
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 0.71 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 4.58

* Based on an €80/tonne carbon price