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 4.92
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -0.89 -0.375 0.33
Prot (kg) -7.99 -0.441 3.53
Fertility Sub Index 1.08
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.25 1.117 0.28
Calving Sub Index -0.12
Gestation Length (days) 0.13 -0.919 -0.12
Beef Sub Index -0.39
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 3.48 -0.432 -1.50
Maintenance Sub Index Maint. Sub Index -0.43
Live WT (kg) 1.40 -0.307 -0.43
Total Carbon Sub Index 5.07

* Based on an €80/tonne carbon price