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 11.03
Milk (kg) -228.00 -0.014 3.19
Fat (kg) -9.32 -0.375 3.49
Prot (kg) -9.86 -0.441 4.35
Fertility Sub Index 8.99
Calving Interval (days) -5.69 -1.459 8.30
Survival (%) 0.62 1.117 0.69
Calving Sub Index 0.89
Gestation Length (days) -0.97 -0.919 0.89
Beef Sub Index 3.13
Carcass Weight (kg) -8.10 -0.528 4.27
Age of Slaughter (days) 2.64 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 7.11
Live WT (kg) -23.20 -0.307 7.11
Total Carbon Sub Index 31.17

* Based on an €80/tonne carbon price