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 2.61
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -2.00 -0.375 0.75
Prot (kg) -1.84 -0.441 0.81
Fertility Sub Index 6.04
Calving Interval (days) -3.89 -1.459 5.68
Survival (%) 0.33 1.117 0.37
Calving Sub Index 0.22
Gestation Length (days) -0.24 -0.919 0.22
Beef Sub Index 1.88
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 0.16 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 13.73

* Based on an €80/tonne carbon price