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 4.99
Milk (kg) -77.00 -0.014 1.08
Fat (kg) -5.63 -0.375 2.11
Prot (kg) -4.09 -0.441 1.81
Fertility Sub Index 6.12
Calving Interval (days) -2.74 -1.459 4.00
Survival (%) 1.90 1.117 2.12
Calving Sub Index -1.49
Gestation Length (days) 1.62 -0.919 -1.49
Beef Sub Index -2.57
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 8.28 -0.432 -3.57
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 13.33

* Based on an €80/tonne carbon price