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 0.68
Milk (kg) -34.00 -0.014 0.48
Fat (kg) 0.21 -0.375 -0.08
Prot (kg) -0.63 -0.441 0.28
Fertility Sub Index 0.63
Calving Interval (days) -0.36 -1.459 0.53
Survival (%) 0.09 1.117 0.10
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 0.23
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.90 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 6.77
Live WT (kg) -22.10 -0.307 6.77
Total Carbon Sub Index 9.02

* Based on an €80/tonne carbon price