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 25.04
Milk (kg) -457.00 -0.014 6.40
Fat (kg) -23.35 -0.375 8.75
Prot (kg) -22.42 -0.441 9.90
Fertility Sub Index -0.87
Calving Interval (days) 0.26 -1.459 -0.38
Survival (%) -0.44 1.117 -0.49
Calving Sub Index 0.51
Gestation Length (days) -0.55 -0.919 0.51
Beef Sub Index 0.90
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 3.05 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index 0.55
Live WT (kg) -1.80 -0.307 0.55
Total Carbon Sub Index 26.13

* Based on an €80/tonne carbon price