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 13.21
Milk (kg) -206.00 -0.014 2.88
Fat (kg) -14.04 -0.375 5.26
Prot (kg) -11.47 -0.441 5.06
Fertility Sub Index 4.93
Calving Interval (days) -3.94 -1.459 5.75
Survival (%) -0.73 1.117 -0.82
Calving Sub Index -0.46
Gestation Length (days) 0.50 -0.919 -0.46
Beef Sub Index 1.07
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) -0.52 -0.432 0.22
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 22.08

* Based on an €80/tonne carbon price