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 3.45
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -2.79 -0.375 1.05
Prot (kg) -3.06 -0.441 1.35
Fertility Sub Index 6.64
Calving Interval (days) -3.05 -1.459 4.45
Survival (%) 1.96 1.117 2.19
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.62
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 1.51 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 19.31

* Based on an €80/tonne carbon price