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 1.83
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) -3.65 -0.375 1.37
Prot (kg) -1.11 -0.441 0.49
Fertility Sub Index 1.92
Calving Interval (days) -1.26 -1.459 1.84
Survival (%) 0.07 1.117 0.08
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.36
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 6.21

* Based on an €80/tonne carbon price