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 2.07
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -1.33 -0.375 0.50
Prot (kg) -0.30 -0.441 0.13
Fertility Sub Index 2.84
Calving Interval (days) -0.98 -1.459 1.43
Survival (%) 1.26 1.117 1.41
Calving Sub Index 1.30
Gestation Length (days) -1.41 -0.919 1.30
Beef Sub Index 6.04
Carcass Weight (kg) -18.70 -0.528 9.86
Age of Slaughter (days) 8.85 -0.432 -3.82
Maintenance Sub Index Maint. Sub Index 11.34
Live WT (kg) -37.00 -0.307 11.34
Total Carbon Sub Index 23.60

* Based on an €80/tonne carbon price