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 6.38
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -5.47 -0.375 2.05
Prot (kg) -5.08 -0.441 2.24
Fertility Sub Index 6.81
Calving Interval (days) -4.16 -1.459 6.07
Survival (%) 0.66 1.117 0.74
Calving Sub Index 1.52
Gestation Length (days) -1.65 -0.919 1.52
Beef Sub Index 2.64
Carcass Weight (kg) -5.20 -0.528 2.74
Age of Slaughter (days) 0.23 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index 4.48
Live WT (kg) -14.60 -0.307 4.48
Total Carbon Sub Index 21.82

* Based on an €80/tonne carbon price