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 5.55
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -5.33 -0.375 2.00
Prot (kg) -4.52 -0.441 1.99
Fertility Sub Index 0.00
Calving Interval (days) -0.14 -1.459 0.20
Survival (%) -0.18 1.117 -0.20
Calving Sub Index 0.07
Gestation Length (days) -0.08 -0.919 0.07
Beef Sub Index 1.05
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 8.42

* Based on an €80/tonne carbon price