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 3.73
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -2.95 -0.375 1.10
Prot (kg) -2.91 -0.441 1.28
Fertility Sub Index 3.20
Calving Interval (days) -1.45 -1.459 2.12
Survival (%) 0.97 1.117 1.08
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.79
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 0.50 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 16.75

* Based on an €80/tonne carbon price