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 4.33
Milk (kg) -94.00 -0.014 1.32
Fat (kg) -5.51 -0.375 2.06
Prot (kg) -2.15 -0.441 0.95
Fertility Sub Index 5.23
Calving Interval (days) -2.18 -1.459 3.18
Survival (%) 1.83 1.117 2.04
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.17
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.59 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 5.33
Live WT (kg) -17.40 -0.307 5.33
Total Carbon Sub Index 19.87

* Based on an €80/tonne carbon price