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 1.82
Milk (kg) 12.00 -0.014 -0.17
Fat (kg) -0.88 -0.375 0.33
Prot (kg) -3.76 -0.441 1.66
Fertility Sub Index -3.88
Calving Interval (days) 2.00 -1.459 -2.92
Survival (%) -0.86 1.117 -0.96
Calving Sub Index 0.81
Gestation Length (days) -0.88 -0.919 0.81
Beef Sub Index -0.33
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 1.37 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index -2.39
Live WT (kg) 7.80 -0.307 -2.39
Total Carbon Sub Index -3.96

* Based on an €80/tonne carbon price