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 -1.99
Milk (kg) -39.00 -0.014 0.55
Fat (kg) 6.91 -0.375 -2.59
Prot (kg) -0.12 -0.441 0.05
Fertility Sub Index 0.98
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) -0.10 1.117 -0.11
Calving Sub Index 2.14
Gestation Length (days) -2.33 -0.919 2.14
Beef Sub Index 0.35
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 4.43

* Based on an €80/tonne carbon price