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 4.36
Milk (kg) -176.00 -0.014 2.46
Fat (kg) 1.88 -0.375 -0.70
Prot (kg) -5.90 -0.441 2.60
Fertility Sub Index 1.08
Calving Interval (days) 0.48 -1.459 -0.70
Survival (%) 1.59 1.117 1.78
Calving Sub Index 1.44
Gestation Length (days) -1.57 -0.919 1.44
Beef Sub Index 1.82
Carcass Weight (kg) -7.10 -0.528 3.75
Age of Slaughter (days) 4.47 -0.432 -1.93
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 13.84

* Based on an €80/tonne carbon price