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 2.09
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -1.05 -0.375 0.39
Prot (kg) -0.99 -0.441 0.44
Fertility Sub Index 7.12
Calving Interval (days) -3.37 -1.459 4.92
Survival (%) 1.97 1.117 2.20
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.48
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.95 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 17.08

* Based on an €80/tonne carbon price