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 0.14
Milk (kg) -5.00 -0.014 0.07
Fat (kg) -0.12 -0.375 0.04
Prot (kg) -0.05 -0.441 0.02
Fertility Sub Index 6.54
Calving Interval (days) -3.94 -1.459 5.75
Survival (%) 0.71 1.117 0.79
Calving Sub Index 1.21
Gestation Length (days) -1.32 -0.919 1.21
Beef Sub Index 1.65
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 0.58 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 13.13

* Based on an €80/tonne carbon price