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 5.03
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -5.50 -0.375 2.06
Prot (kg) -3.59 -0.441 1.58
Fertility Sub Index 6.15
Calving Interval (days) -3.46 -1.459 5.05
Survival (%) 0.99 1.117 1.11
Calving Sub Index 0.30
Gestation Length (days) -0.33 -0.919 0.30
Beef Sub Index 1.77
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 1.28 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 4.20
Live WT (kg) -13.70 -0.307 4.20
Total Carbon Sub Index 17.46

* Based on an €80/tonne carbon price