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 6.30
Milk (kg) -154.00 -0.014 2.16
Fat (kg) -4.48 -0.375 1.68
Prot (kg) -5.59 -0.441 2.47
Fertility Sub Index 8.05
Calving Interval (days) -4.66 -1.459 6.80
Survival (%) 1.12 1.117 1.25
Calving Sub Index 1.04
Gestation Length (days) -1.13 -0.919 1.04
Beef Sub Index 0.99
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.50 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 19.78

* Based on an €80/tonne carbon price