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 2.62
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -1.64 -0.375 0.61
Prot (kg) -0.27 -0.441 0.12
Fertility Sub Index 6.04
Calving Interval (days) -2.68 -1.459 3.91
Survival (%) 1.91 1.117 2.13
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.45
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) -1.40 -0.432 0.60
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 18.95

* Based on an €80/tonne carbon price