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) 1.00 -0.014 -0.01
Fat (kg) -2.35 -0.375 0.88
Prot (kg) -1.43 -0.441 0.63
Fertility Sub Index 4.04
Calving Interval (days) -2.01 -1.459 2.93
Survival (%) 0.99 1.117 1.11
Calving Sub Index 1.28
Gestation Length (days) -1.39 -0.919 1.28
Beef Sub Index 1.15
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.13 -0.432 -0.49
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index 8.63

* Based on an €80/tonne carbon price