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 3.05
Milk (kg) 73.00 -0.014 -1.02
Fat (kg) -6.63 -0.375 2.48
Prot (kg) -3.59 -0.441 1.58
Fertility Sub Index 3.01
Calving Interval (days) -1.75 -1.459 2.55
Survival (%) 0.41 1.117 0.46
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.28
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.16 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 1.10
Live WT (kg) -3.60 -0.307 1.10
Total Carbon Sub Index 6.97

* Based on an €80/tonne carbon price