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 9.24
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -11.74 -0.375 4.40
Prot (kg) -9.07 -0.441 4.00
Fertility Sub Index 7.16
Calving Interval (days) -4.08 -1.459 5.95
Survival (%) 1.08 1.117 1.21
Calving Sub Index 0.64
Gestation Length (days) -0.70 -0.919 0.64
Beef Sub Index 0.05
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.36 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 3.74
Live WT (kg) -12.20 -0.307 3.74
Total Carbon Sub Index 20.83

* Based on an €80/tonne carbon price