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 10.11
Milk (kg) -217.00 -0.014 3.04
Fat (kg) -8.61 -0.375 3.22
Prot (kg) -8.72 -0.441 3.85
Fertility Sub Index 2.13
Calving Interval (days) -0.97 -1.459 1.42
Survival (%) 0.64 1.117 0.72
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 1.15
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) -0.82 -0.432 0.35
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 17.80

* Based on an €80/tonne carbon price