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 4.65
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -3.08 -0.375 1.15
Prot (kg) -5.26 -0.441 2.32
Fertility Sub Index 1.38
Calving Interval (days) -0.70 -1.459 1.02
Survival (%) 0.32 1.117 0.36
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.56
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 3.01 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 0.46
Live WT (kg) -1.50 -0.307 0.46
Total Carbon Sub Index 5.46

* Based on an €80/tonne carbon price