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 2.96
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -1.50 -0.375 0.56
Prot (kg) -4.52 -0.441 1.99
Fertility Sub Index -9.02
Calving Interval (days) 4.25 -1.459 -6.20
Survival (%) -2.52 1.117 -2.82
Calving Sub Index 1.81
Gestation Length (days) -1.97 -0.919 1.81
Beef Sub Index -0.95
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 1.23 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index 1.56
Live WT (kg) -5.10 -0.307 1.56
Total Carbon Sub Index -3.63

* Based on an €80/tonne carbon price