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 -1.18
Milk (kg) 6.00 -0.014 -0.08
Fat (kg) 3.46 -0.375 -1.30
Prot (kg) -0.45 -0.441 0.20
Fertility Sub Index -7.70
Calving Interval (days) 3.74 -1.459 -5.46
Survival (%) -2.01 1.117 -2.25
Calving Sub Index 0.56
Gestation Length (days) -0.61 -0.919 0.56
Beef Sub Index 0.33
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 3.39 -0.432 -1.46
Maintenance Sub Index Maint. Sub Index 1.78
Live WT (kg) -5.80 -0.307 1.78
Total Carbon Sub Index -6.22

* Based on an €80/tonne carbon price