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 3.04
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -2.07 -0.375 0.78
Prot (kg) -1.98 -0.441 0.87
Fertility Sub Index 6.81
Calving Interval (days) -4.17 -1.459 6.08
Survival (%) 0.65 1.117 0.73
Calving Sub Index 1.00
Gestation Length (days) -1.09 -0.919 1.00
Beef Sub Index 3.13
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) -0.03 -0.432 0.01
Maintenance Sub Index Maint. Sub Index 4.17
Live WT (kg) -13.60 -0.307 4.17
Total Carbon Sub Index 18.14

* Based on an €80/tonne carbon price