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 3.61
Milk (kg) -53.00 -0.014 0.74
Fat (kg) -4.81 -0.375 1.80
Prot (kg) -2.41 -0.441 1.06
Fertility Sub Index 4.43
Calving Interval (days) -1.90 -1.459 2.77
Survival (%) 1.48 1.117 1.65
Calving Sub Index 0.40
Gestation Length (days) -0.43 -0.919 0.40
Beef Sub Index 3.31
Carcass Weight (kg) -7.40 -0.528 3.90
Age of Slaughter (days) 1.37 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 6.62
Live WT (kg) -21.60 -0.307 6.62
Total Carbon Sub Index 18.37

* Based on an €80/tonne carbon price