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 0.02
Milk (kg) -2.00 -0.014 0.03
Fat (kg) 0.25 -0.375 -0.09
Prot (kg) -0.19 -0.441 0.08
Fertility Sub Index 0.80
Calving Interval (days) -0.52 -1.459 0.76
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.07
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 2.52

* Based on an €80/tonne carbon price