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 1.57
Milk (kg) -82.00 -0.014 1.15
Fat (kg) 0.24 -0.375 -0.09
Prot (kg) -1.15 -0.441 0.51
Fertility Sub Index 4.35
Calving Interval (days) -2.33 -1.459 3.40
Survival (%) 0.85 1.117 0.95
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 6.03
Carcass Weight (kg) -10.90 -0.528 5.75
Age of Slaughter (days) -0.64 -0.432 0.28
Maintenance Sub Index Maint. Sub Index 7.20
Live WT (kg) -23.50 -0.307 7.20
Total Carbon Sub Index 22.98

* Based on an €80/tonne carbon price