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 2.62
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -0.37 -0.375 0.14
Prot (kg) -2.09 -0.441 0.92
Fertility Sub Index 2.07
Calving Interval (days) -1.15 -1.459 1.68
Survival (%) 0.35 1.117 0.39
Calving Sub Index -0.09
Gestation Length (days) 0.10 -0.919 -0.09
Beef Sub Index -0.75
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index -0.34
Live WT (kg) 1.10 -0.307 -0.34
Total Carbon Sub Index 3.50

* Based on an €80/tonne carbon price