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 4.49
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -3.87 -0.375 1.45
Prot (kg) -3.63 -0.441 1.60
Fertility Sub Index -0.34
Calving Interval (days) 0.17 -1.459 -0.25
Survival (%) -0.08 1.117 -0.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.10
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 2.09 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index 5.07

* Based on an €80/tonne carbon price