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 1.33
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) -2.02 -0.375 0.76
Prot (kg) -1.34 -0.441 0.59
Fertility Sub Index 0.99
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) 0.10 1.117 0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.09
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.03 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 3.24

* Based on an €80/tonne carbon price