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 6.08
Milk (kg) -217.00 -0.014 3.04
Fat (kg) -0.14 -0.375 0.05
Prot (kg) -6.77 -0.441 2.99
Fertility Sub Index 5.96
Calving Interval (days) -2.11 -1.459 3.08
Survival (%) 2.58 1.117 2.88
Calving Sub Index 0.40
Gestation Length (days) -0.43 -0.919 0.40
Beef Sub Index -0.60
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 4.69 -0.432 -2.02
Maintenance Sub Index Maint. Sub Index 6.74
Live WT (kg) -22.00 -0.307 6.74
Total Carbon Sub Index 18.58

* Based on an €80/tonne carbon price