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 3.83
Milk (kg) -111.00 -0.014 1.55
Fat (kg) 0.93 -0.375 -0.35
Prot (kg) -5.94 -0.441 2.62
Fertility Sub Index -2.33
Calving Interval (days) 1.17 -1.459 -1.71
Survival (%) -0.56 1.117 -0.63
Calving Sub Index -0.16
Gestation Length (days) 0.17 -0.919 -0.16
Beef Sub Index 0.30
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.35 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 3.03

* Based on an €80/tonne carbon price