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 24.29
Milk (kg) -610.00 -0.014 8.54
Fat (kg) -20.51 -0.375 7.68
Prot (kg) -18.27 -0.441 8.06
Fertility Sub Index 6.27
Calving Interval (days) -4.26 -1.459 6.22
Survival (%) 0.05 1.117 0.06
Calving Sub Index -1.31
Gestation Length (days) 1.42 -0.919 -1.31
Beef Sub Index 1.33
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) -1.01 -0.432 0.44
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 33.19

* Based on an €80/tonne carbon price