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 6.04
Calving Interval (days) -2.69 -1.459 3.92
Survival (%) 1.89 1.117 2.11
Calving Sub Index -1.51
Gestation Length (days) 1.64 -0.919 -1.51
Beef Sub Index -2.56
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 8.25 -0.432 -3.56
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 13.21

* Based on an €80/tonne carbon price