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 5.61
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -6.51 -0.375 2.44
Prot (kg) -3.85 -0.441 1.70
Fertility Sub Index 10.01
Calving Interval (days) -6.23 -1.459 9.09
Survival (%) 0.82 1.117 0.92
Calving Sub Index -0.40
Gestation Length (days) 0.43 -0.919 -0.40
Beef Sub Index -0.17
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 18.66

* Based on an €80/tonne carbon price