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 1.50
Milk (kg) -61.00 -0.014 0.85
Fat (kg) -1.55 -0.375 0.58
Prot (kg) -0.15 -0.441 0.07
Fertility Sub Index 5.55
Calving Interval (days) -3.53 -1.459 5.15
Survival (%) 0.36 1.117 0.40
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.96
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 3.04 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 15.00

* Based on an €80/tonne carbon price