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 6.27
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -5.55 -0.375 2.08
Prot (kg) -6.96 -0.441 3.07
Fertility Sub Index 1.01
Calving Interval (days) -0.36 -1.459 0.53
Survival (%) 0.43 1.117 0.48
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.52
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 3.77 -0.432 -1.63
Maintenance Sub Index Maint. Sub Index -0.71
Live WT (kg) 2.30 -0.307 -0.71
Total Carbon Sub Index 4.57

* Based on an €80/tonne carbon price