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 10.30
Milk (kg) -219.00 -0.014 3.07
Fat (kg) -10.48 -0.375 3.93
Prot (kg) -7.50 -0.441 3.31
Fertility Sub Index 5.04
Calving Interval (days) -2.41 -1.459 3.52
Survival (%) 1.36 1.117 1.52
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.23
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.58 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 24.23

* Based on an €80/tonne carbon price