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 6.53
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -6.64 -0.375 2.49
Prot (kg) -6.34 -0.441 2.80
Fertility Sub Index 4.39
Calving Interval (days) -2.42 -1.459 3.53
Survival (%) 0.77 1.117 0.86
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.26
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 0.02 -0.432 -0.01
Maintenance Sub Index Maint. Sub Index -1.50
Live WT (kg) 4.90 -0.307 -1.50
Total Carbon Sub Index 9.21

* Based on an €80/tonne carbon price