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 7.18
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -5.75 -0.375 2.15
Prot (kg) -6.35 -0.441 2.80
Fertility Sub Index 7.94
Calving Interval (days) -3.73 -1.459 5.44
Survival (%) 2.24 1.117 2.50
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.11
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -0.61 -0.432 0.26
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 27.17

* Based on an €80/tonne carbon price