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 -2.59
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) 5.40 -0.375 -2.02
Prot (kg) 1.22 -0.441 -0.54
Fertility Sub Index 7.35
Calving Interval (days) -7.24 -1.459 10.56
Survival (%) -2.88 1.117 -3.22
Calving Sub Index 3.51
Gestation Length (days) -3.82 -0.919 3.51
Beef Sub Index -1.37
Carcass Weight (kg) 2.10 -0.528 -1.11
Age of Slaughter (days) 0.61 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index -2.76
Live WT (kg) 9.00 -0.307 -2.76
Total Carbon Sub Index 4.14

* Based on an €80/tonne carbon price