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 5.21
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -4.00 -0.375 1.50
Prot (kg) -3.68 -0.441 1.62
Fertility Sub Index 4.56
Calving Interval (days) -3.34 -1.459 4.87
Survival (%) -0.28 1.117 -0.31
Calving Sub Index -0.42
Gestation Length (days) 0.46 -0.919 -0.42
Beef Sub Index 2.60
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) -0.64 -0.432 0.28
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 15.23

* Based on an €80/tonne carbon price