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 12.23
Milk (kg) -259.00 -0.014 3.63
Fat (kg) -12.08 -0.375 4.52
Prot (kg) -9.25 -0.441 4.08
Fertility Sub Index 9.10
Calving Interval (days) -4.96 -1.459 7.24
Survival (%) 1.67 1.117 1.87
Calving Sub Index 0.38
Gestation Length (days) -0.41 -0.919 0.38
Beef Sub Index 0.05
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 25.63

* Based on an €80/tonne carbon price