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 4.17
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -2.12 -0.375 0.79
Prot (kg) -4.50 -0.441 1.99
Fertility Sub Index 2.66
Calving Interval (days) -1.78 -1.459 2.60
Survival (%) 0.06 1.117 0.07
Calving Sub Index -0.67
Gestation Length (days) 0.73 -0.919 -0.67
Beef Sub Index 2.72
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) 0.92 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 12.38

* Based on an €80/tonne carbon price