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 4.03
Milk (kg) -46.00 -0.014 0.64
Fat (kg) -5.55 -0.375 2.08
Prot (kg) -2.97 -0.441 1.31
Fertility Sub Index 4.02
Calving Interval (days) -1.31 -1.459 1.91
Survival (%) 1.89 1.117 2.11
Calving Sub Index 2.05
Gestation Length (days) -2.23 -0.919 2.05
Beef Sub Index 0.80
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 0.23 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index -2.61
Live WT (kg) 8.50 -0.307 -2.61
Total Carbon Sub Index 8.30

* Based on an €80/tonne carbon price