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) -111.00 -0.014 1.55
Fat (kg) -2.56 -0.375 0.96
Prot (kg) -2.48 -0.441 1.09
Fertility Sub Index 5.24
Calving Interval (days) -2.59 -1.459 3.78
Survival (%) 1.31 1.117 1.46
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 2.69
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) -2.07 -0.432 0.89
Maintenance Sub Index Maint. Sub Index 6.22
Live WT (kg) -20.30 -0.307 6.22
Total Carbon Sub Index 22.72

* Based on an €80/tonne carbon price