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 6.08
Milk (kg) -233.00 -0.014 3.26
Fat (kg) -4.26 -0.375 1.60
Prot (kg) -2.78 -0.441 1.23
Fertility Sub Index 4.63
Calving Interval (days) -2.30 -1.459 3.36
Survival (%) 1.14 1.117 1.27
Calving Sub Index 2.30
Gestation Length (days) -2.50 -0.919 2.30
Beef Sub Index -4.34
Carcass Weight (kg) 6.30 -0.528 -3.32
Age of Slaughter (days) 2.35 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 9.60

* Based on an €80/tonne carbon price