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 5.01
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -3.21 -0.375 1.20
Prot (kg) -3.59 -0.441 1.58
Fertility Sub Index 9.04
Calving Interval (days) -4.54 -1.459 6.62
Survival (%) 2.16 1.117 2.41
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.12
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 26.18

* Based on an €80/tonne carbon price