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 2.56
Milk (kg) -47.00 -0.014 0.66
Fat (kg) -2.56 -0.375 0.96
Prot (kg) -2.14 -0.441 0.94
Fertility Sub Index 6.33
Calving Interval (days) -2.84 -1.459 4.14
Survival (%) 1.96 1.117 2.19
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.38
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 3.64 -0.432 -1.57
Maintenance Sub Index Maint. Sub Index 4.17
Live WT (kg) -13.60 -0.307 4.17
Total Carbon Sub Index 17.25

* Based on an €80/tonne carbon price