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 8.36
Milk (kg) -203.00 -0.014 2.84
Fat (kg) -6.60 -0.375 2.47
Prot (kg) -6.91 -0.441 3.05
Fertility Sub Index 5.59
Calving Interval (days) -3.47 -1.459 5.06
Survival (%) 0.47 1.117 0.53
Calving Sub Index 1.69
Gestation Length (days) -1.84 -0.919 1.69
Beef Sub Index 2.76
Carcass Weight (kg) -6.20 -0.528 3.27
Age of Slaughter (days) 1.18 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 22.42

* Based on an €80/tonne carbon price