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 21.35
Milk (kg) -306.00 -0.014 4.28
Fat (kg) -23.68 -0.375 8.87
Prot (kg) -18.58 -0.441 8.20
Fertility Sub Index 5.24
Calving Interval (days) -3.23 -1.459 4.71
Survival (%) 0.47 1.117 0.53
Calving Sub Index -0.50
Gestation Length (days) 0.54 -0.919 -0.50
Beef Sub Index 2.17
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 0.97 -0.432 -0.42
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 31.50

* Based on an €80/tonne carbon price