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 5.45
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -5.02 -0.375 1.88
Prot (kg) -4.38 -0.441 1.93
Fertility Sub Index 7.85
Calving Interval (days) -4.37 -1.459 6.38
Survival (%) 1.32 1.117 1.47
Calving Sub Index 2.08
Gestation Length (days) -2.26 -0.919 2.08
Beef Sub Index 1.99
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 2.82
Live WT (kg) -9.20 -0.307 2.82
Total Carbon Sub Index 20.20

* Based on an €80/tonne carbon price