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 2.31
Milk (kg) 15.00 -0.014 -0.21
Fat (kg) -4.81 -0.375 1.80
Prot (kg) -1.63 -0.441 0.72
Fertility Sub Index 5.39
Calving Interval (days) -3.67 -1.459 5.35
Survival (%) 0.03 1.117 0.03
Calving Sub Index 0.80
Gestation Length (days) -0.87 -0.919 0.80
Beef Sub Index 1.07
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) 4.37 -0.432 -1.89
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 13.10

* Based on an €80/tonne carbon price