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 5.33
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) -8.95 -0.375 3.35
Prot (kg) -4.51 -0.441 1.99
Fertility Sub Index 3.80
Calving Interval (days) -2.48 -1.459 3.62
Survival (%) 0.16 1.117 0.18
Calving Sub Index -1.56
Gestation Length (days) 1.70 -0.919 -1.56
Beef Sub Index -0.16
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 3.42 -0.432 -1.48
Maintenance Sub Index Maint. Sub Index 5.89
Live WT (kg) -19.20 -0.307 5.89
Total Carbon Sub Index 13.29

* Based on an €80/tonne carbon price