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 7.48
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -8.11 -0.375 3.04
Prot (kg) -6.03 -0.441 2.66
Fertility Sub Index 7.85
Calving Interval (days) -4.48 -1.459 6.54
Survival (%) 1.18 1.117 1.32
Calving Sub Index 0.62
Gestation Length (days) -0.67 -0.919 0.62
Beef Sub Index -0.13
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 2.25 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 18.43

* Based on an €80/tonne carbon price