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 -0.83
Milk (kg) -170.00 -0.014 2.38
Fat (kg) 10.16 -0.375 -3.81
Prot (kg) -1.36 -0.441 0.60
Fertility Sub Index 5.96
Calving Interval (days) -1.84 -1.459 2.68
Survival (%) 2.93 1.117 3.27
Calving Sub Index 3.24
Gestation Length (days) -3.53 -0.919 3.24
Beef Sub Index -1.60
Carcass Weight (kg) 1.20 -0.528 -0.63
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index -2.36
Live WT (kg) 7.70 -0.307 -2.36
Total Carbon Sub Index 4.43

* Based on an €80/tonne carbon price