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 5.62
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -6.14 -0.375 2.30
Prot (kg) -4.66 -0.441 2.06
Fertility Sub Index -7.90
Calving Interval (days) 4.46 -1.459 -6.51
Survival (%) -1.25 1.117 -1.40
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index -0.29
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.87 -0.432 -1.24
Maintenance Sub Index Maint. Sub Index 0.37
Live WT (kg) -1.20 -0.307 0.37
Total Carbon Sub Index -1.58

* Based on an €80/tonne carbon price