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 1.00
Milk (kg) -13.00 -0.014 0.18
Fat (kg) -0.93 -0.375 0.35
Prot (kg) -1.06 -0.441 0.47
Fertility Sub Index 0.26
Calving Interval (days) -0.17 -1.459 0.25
Survival (%) 0.01 1.117 0.01
Calving Sub Index -0.32
Gestation Length (days) 0.35 -0.919 -0.32
Beef Sub Index 0.67
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 0.16 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 3.91

* Based on an €80/tonne carbon price