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 9.05
Milk (kg) -276.00 -0.014 3.86
Fat (kg) -2.97 -0.375 1.11
Prot (kg) -9.24 -0.441 4.08
Fertility Sub Index 1.14
Calving Interval (days) -0.02 -1.459 0.03
Survival (%) 0.99 1.117 1.11
Calving Sub Index -0.19
Gestation Length (days) 0.21 -0.919 -0.19
Beef Sub Index 1.08
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 2.03 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index 11.68

* Based on an €80/tonne carbon price