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 3.70
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -0.21 -0.375 0.08
Prot (kg) -5.38 -0.441 2.37
Fertility Sub Index 7.47
Calving Interval (days) -4.70 -1.459 6.86
Survival (%) 0.55 1.117 0.61
Calving Sub Index -0.46
Gestation Length (days) 0.50 -0.919 -0.46
Beef Sub Index 3.26
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) -0.83 -0.432 0.36
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 17.25

* Based on an €80/tonne carbon price