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 10.66
Milk (kg) -257.00 -0.014 3.60
Fat (kg) -6.18 -0.375 2.31
Prot (kg) -10.76 -0.441 4.75
Fertility Sub Index 8.33
Calving Interval (days) -5.10 -1.459 7.44
Survival (%) 0.80 1.117 0.89
Calving Sub Index 0.88
Gestation Length (days) -0.96 -0.919 0.88
Beef Sub Index 1.59
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 1.20 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 24.69

* Based on an €80/tonne carbon price