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 1.14
Milk (kg) -1.00 -0.014 0.01
Fat (kg) -1.21 -0.375 0.45
Prot (kg) -1.52 -0.441 0.67
Fertility Sub Index 0.05
Calving Interval (days) -0.18 -1.459 0.26
Survival (%) -0.19 1.117 -0.21
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.04
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.51 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 3.02

* Based on an €80/tonne carbon price