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 0.36
Milk (kg) -157.00 -0.014 2.20
Fat (kg) 5.35 -0.375 -2.00
Prot (kg) -0.37 -0.441 0.16
Fertility Sub Index 2.98
Calving Interval (days) -1.37 -1.459 2.00
Survival (%) 0.88 1.117 0.98
Calving Sub Index 2.73
Gestation Length (days) -2.97 -0.919 2.73
Beef Sub Index 0.41
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.61 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 9.16

* Based on an €80/tonne carbon price