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 12.55
Milk (kg) -250.00 -0.014 3.50
Fat (kg) -11.90 -0.375 4.46
Prot (kg) -10.41 -0.441 4.59
Fertility Sub Index -3.45
Calving Interval (days) 2.47 -1.459 -3.60
Survival (%) 0.14 1.117 0.16
Calving Sub Index -1.31
Gestation Length (days) 1.42 -0.919 -1.31
Beef Sub Index -4.65
Carcass Weight (kg) 4.80 -0.528 -2.53
Age of Slaughter (days) 4.91 -0.432 -2.12
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index 4.12

* Based on an €80/tonne carbon price