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 1.48
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -1.07 -0.375 0.40
Prot (kg) -1.24 -0.441 0.55
Fertility Sub Index -1.04
Calving Interval (days) 1.48 -1.459 -2.16
Survival (%) 1.00 1.117 1.12
Calving Sub Index -0.93
Gestation Length (days) 1.01 -0.919 -0.93
Beef Sub Index -1.06
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 5.52 -0.432 -2.38
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 3.47

* Based on an €80/tonne carbon price