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 -12.60
Milk (kg) -26.00 -0.014 0.36
Fat (kg) 16.00 -0.375 -5.99
Prot (kg) 15.80 -0.441 -6.97
Fertility Sub Index 12.43
Calving Interval (days) -5.80 -1.459 8.46
Survival (%) 3.55 1.117 3.97
Calving Sub Index 4.39
Gestation Length (days) -4.78 -0.919 4.39
Beef Sub Index 0.31
Carcass Weight (kg) -6.90 -0.528 3.64
Age of Slaughter (days) 7.72 -0.432 -3.33
Maintenance Sub Index Maint. Sub Index -0.31
Live WT (kg) 1.00 -0.307 -0.31
Total Carbon Sub Index 4.22

* Based on an €80/tonne carbon price