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 2.58
Milk (kg) -128.00 -0.014 1.79
Fat (kg) 1.02 -0.375 -0.38
Prot (kg) -2.64 -0.441 1.17
Fertility Sub Index -0.35
Calving Interval (days) 0.43 -1.459 -0.63
Survival (%) 0.25 1.117 0.28
Calving Sub Index 0.43
Gestation Length (days) -0.47 -0.919 0.43
Beef Sub Index 0.33
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.57 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 3.12

* Based on an €80/tonne carbon price