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 3.13
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -0.72 -0.375 0.27
Prot (kg) -2.10 -0.441 0.93
Fertility Sub Index 6.95
Calving Interval (days) -2.25 -1.459 3.28
Survival (%) 3.28 1.117 3.66
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.30
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.10 -0.432 -1.34
Maintenance Sub Index Maint. Sub Index 5.36
Live WT (kg) -17.50 -0.307 5.36
Total Carbon Sub Index 19.54

* Based on an €80/tonne carbon price