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 1.80
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -0.48 -0.375 0.18
Prot (kg) -3.09 -0.441 1.36
Fertility Sub Index 9.25
Calving Interval (days) -4.75 -1.459 6.93
Survival (%) 2.08 1.117 2.32
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.50
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 2.40 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 19.51

* Based on an €80/tonne carbon price