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 5.06
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -2.78 -0.375 1.04
Prot (kg) -4.54 -0.441 2.00
Fertility Sub Index 7.03
Calving Interval (days) -3.59 -1.459 5.24
Survival (%) 1.60 1.117 1.79
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 0.23
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.43 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 20.01

* Based on an €80/tonne carbon price