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 8.63
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -6.69 -0.375 2.51
Prot (kg) -8.33 -0.441 3.68
Fertility Sub Index 7.72
Calving Interval (days) -4.84 -1.459 7.06
Survival (%) 0.59 1.117 0.66
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index 0.67
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 3.94 -0.432 -1.70
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 18.96

* Based on an €80/tonne carbon price