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 4.20
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) -6.35 -0.375 2.38
Prot (kg) -4.15 -0.441 1.83
Fertility Sub Index 2.60
Calving Interval (days) -2.12 -1.459 3.09
Survival (%) -0.44 1.117 -0.49
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.65
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) -0.15 -0.432 0.06
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 9.03

* Based on an €80/tonne carbon price