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 7.37
Milk (kg) -225.00 -0.014 3.15
Fat (kg) -7.17 -0.375 2.69
Prot (kg) -3.48 -0.441 1.54
Fertility Sub Index 9.03
Calving Interval (days) -6.63 -1.459 9.67
Survival (%) -0.58 1.117 -0.65
Calving Sub Index 0.45
Gestation Length (days) -0.49 -0.919 0.45
Beef Sub Index -0.60
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 1.52 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 20.23

* Based on an €80/tonne carbon price