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 2.19
Milk (kg) 18.00 -0.014 -0.25
Fat (kg) -2.82 -0.375 1.06
Prot (kg) -3.13 -0.441 1.38
Fertility Sub Index -6.70
Calving Interval (days) 3.18 -1.459 -4.64
Survival (%) -1.84 1.117 -2.06
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index -0.26
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 4.40 -0.432 -1.90
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index -2.43

* Based on an €80/tonne carbon price