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) 1.00 -0.014 -0.01
Fat (kg) -6.32 -0.375 2.37
Prot (kg) -7.25 -0.441 3.20
Fertility Sub Index -5.13
Calving Interval (days) 2.49 -1.459 -3.63
Survival (%) -1.34 1.117 -1.50
Calving Sub Index 0.85
Gestation Length (days) -0.93 -0.919 0.85
Beef Sub Index -1.53
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 7.58 -0.432 -3.27
Maintenance Sub Index Maint. Sub Index -2.12
Live WT (kg) 6.90 -0.307 -2.12
Total Carbon Sub Index -2.37

* Based on an €80/tonne carbon price