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 22.45
Milk (kg) -482.00 -0.014 6.75
Fat (kg) -17.08 -0.375 6.40
Prot (kg) -21.08 -0.441 9.30
Fertility Sub Index 8.09
Calving Interval (days) -4.61 -1.459 6.73
Survival (%) 1.22 1.117 1.36
Calving Sub Index 0.51
Gestation Length (days) -0.56 -0.919 0.51
Beef Sub Index 6.16
Carcass Weight (kg) -12.20 -0.528 6.44
Age of Slaughter (days) 0.63 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 4.11
Live WT (kg) -13.40 -0.307 4.11
Total Carbon Sub Index 41.33

* Based on an €80/tonne carbon price