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 7.80
Milk (kg) -260.00 -0.014 3.64
Fat (kg) 1.65 -0.375 -0.62
Prot (kg) -10.83 -0.441 4.78
Fertility Sub Index 3.63
Calving Interval (days) -1.71 -1.459 2.49
Survival (%) 1.02 1.117 1.14
Calving Sub Index 0.37
Gestation Length (days) -0.40 -0.919 0.37
Beef Sub Index -0.30
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 13.26

* Based on an €80/tonne carbon price