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 8.02
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -5.36 -0.375 2.01
Prot (kg) -8.59 -0.441 3.79
Fertility Sub Index 6.86
Calving Interval (days) -4.11 -1.459 6.00
Survival (%) 0.77 1.117 0.86
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index -0.20
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.29 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 3.56
Live WT (kg) -11.60 -0.307 3.56
Total Carbon Sub Index 19.07

* Based on an €80/tonne carbon price