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 1.25
Milk (kg) -45.00 -0.014 0.63
Fat (kg) 1.27 -0.375 -0.48
Prot (kg) -2.48 -0.441 1.09
Fertility Sub Index 0.70
Calving Interval (days) -0.47 -1.459 0.69
Survival (%) 0.01 1.117 0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.03
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 3.47

* Based on an €80/tonne carbon price