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 9.60
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -13.02 -0.375 4.88
Prot (kg) -7.08 -0.441 3.12
Fertility Sub Index 4.65
Calving Interval (days) -1.55 -1.459 2.26
Survival (%) 2.14 1.117 2.39
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 2.16
Carcass Weight (kg) -6.00 -0.528 3.17
Age of Slaughter (days) 2.33 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index 19.38

* Based on an €80/tonne carbon price