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 0.15
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -0.10 -0.375 0.04
Prot (kg) 2.35 -0.441 -1.04
Fertility Sub Index -11.05
Calving Interval (days) 6.02 -1.459 -8.78
Survival (%) -2.03 1.117 -2.27
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index -1.20
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 4.13 -0.432 -1.78
Maintenance Sub Index Maint. Sub Index 0.46
Live WT (kg) -1.50 -0.307 0.46
Total Carbon Sub Index -10.81

* Based on an €80/tonne carbon price