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 11.77
Milk (kg) -250.00 -0.014 3.50
Fat (kg) -8.62 -0.375 3.23
Prot (kg) -11.43 -0.441 5.04
Fertility Sub Index -1.67
Calving Interval (days) 1.33 -1.459 -1.94
Survival (%) 0.24 1.117 0.27
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.40
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) 2.38 -0.432 -1.03
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index 9.19

* Based on an €80/tonne carbon price