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 1.99
Milk (kg) -99.00 -0.014 1.39
Fat (kg) 3.73 -0.375 -1.40
Prot (kg) -4.53 -0.441 2.00
Fertility Sub Index 4.21
Calving Interval (days) -2.18 -1.459 3.18
Survival (%) 0.92 1.117 1.03
Calving Sub Index -0.28
Gestation Length (days) 0.30 -0.919 -0.28
Beef Sub Index 0.75
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.07 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 8.89

* Based on an €80/tonne carbon price