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 5.01
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -4.36 -0.375 1.63
Prot (kg) -4.98 -0.441 2.20
Fertility Sub Index 0.78
Calving Interval (days) -0.48 -1.459 0.70
Survival (%) 0.07 1.117 0.08
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.30
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 6.37

* Based on an €80/tonne carbon price