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 4.60
Milk (kg) -68.00 -0.014 0.95
Fat (kg) -4.40 -0.375 1.65
Prot (kg) -4.52 -0.441 1.99
Fertility Sub Index -3.39
Calving Interval (days) 2.13 -1.459 -3.11
Survival (%) -0.25 1.117 -0.28
Calving Sub Index 0.38
Gestation Length (days) -0.41 -0.919 0.38
Beef Sub Index 1.01
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 3.03 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 3.77

* Based on an €80/tonne carbon price