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 5.55
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -2.55 -0.375 0.96
Prot (kg) -5.82 -0.441 2.57
Fertility Sub Index 0.17
Calving Interval (days) -0.04 -1.459 0.06
Survival (%) 0.10 1.117 0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.25
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.50 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 7.47

* Based on an €80/tonne carbon price