Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 7.08
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -6.13 -0.375 2.30
Prot (kg) -6.24 -0.441 2.75
Fertility Sub Index -5.45
Calving Interval (days) 2.63 -1.459 -3.84
Survival (%) -1.44 1.117 -1.61
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.09
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.75 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 2.25

* Based on an €80/tonne carbon price