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 3.10
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -0.13 -0.375 0.05
Prot (kg) -4.57 -0.441 2.02
Fertility Sub Index -1.25
Calving Interval (days) -0.24 -1.459 0.35
Survival (%) -1.43 1.117 -1.60
Calving Sub Index 0.90
Gestation Length (days) -0.98 -0.919 0.90
Beef Sub Index -0.58
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 3.18 -0.432 -1.37
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index 2.79

* Based on an €80/tonne carbon price