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 10.27
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -5.91 -0.375 2.21
Prot (kg) -13.60 -0.441 6.00
Fertility Sub Index 0.74
Calving Interval (days) -0.44 -1.459 0.64
Survival (%) 0.09 1.117 0.10
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.05
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 12.36

* Based on an €80/tonne carbon price