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 3.13
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -2.08 -0.375 0.78
Prot (kg) -2.73 -0.441 1.20
Fertility Sub Index 1.28
Calving Interval (days) -0.73 -1.459 1.07
Survival (%) 0.19 1.117 0.21
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.15
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.69 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 1.56
Live WT (kg) -5.10 -0.307 1.56
Total Carbon Sub Index 5.36

* Based on an €80/tonne carbon price