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 7.40
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -7.22 -0.375 2.70
Prot (kg) -5.44 -0.441 2.40
Fertility Sub Index 10.23
Calving Interval (days) -5.81 -1.459 8.48
Survival (%) 1.57 1.117 1.75
Calving Sub Index -0.12
Gestation Length (days) 0.13 -0.919 -0.12
Beef Sub Index 1.64
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 2.18 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 22.78

* Based on an €80/tonne carbon price