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 3.65
Milk (kg) -61.00 -0.014 0.85
Fat (kg) -2.87 -0.375 1.07
Prot (kg) -3.89 -0.441 1.72
Fertility Sub Index -1.79
Calving Interval (days) 1.05 -1.459 -1.53
Survival (%) -0.23 1.117 -0.26
Calving Sub Index 0.46
Gestation Length (days) -0.50 -0.919 0.46
Beef Sub Index 0.20
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.08 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 3.96

* Based on an €80/tonne carbon price