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 12.37
Milk (kg) -184.00 -0.014 2.58
Fat (kg) -10.99 -0.375 4.12
Prot (kg) -12.87 -0.441 5.68
Fertility Sub Index -3.02
Calving Interval (days) 1.33 -1.459 -1.94
Survival (%) -0.97 1.117 -1.08
Calving Sub Index -0.03
Gestation Length (days) 0.03 -0.919 -0.03
Beef Sub Index -1.58
Carcass Weight (kg) 1.20 -0.528 -0.63
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index 9.02

* Based on an €80/tonne carbon price