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 3.88
Milk (kg) 12.00 -0.014 -0.17
Fat (kg) -6.60 -0.375 2.47
Prot (kg) -3.58 -0.441 1.58
Fertility Sub Index -0.83
Calving Interval (days) 0.42 -1.459 -0.61
Survival (%) -0.19 1.117 -0.21
Calving Sub Index 0.08
Gestation Length (days) -0.09 -0.919 0.08
Beef Sub Index 0.32
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.55 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index -1.07
Live WT (kg) 3.50 -0.307 -1.07
Total Carbon Sub Index 2.40

* Based on an €80/tonne carbon price