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 9.54
Milk (kg) -195.00 -0.014 2.73
Fat (kg) -12.72 -0.375 4.76
Prot (kg) -4.63 -0.441 2.04
Fertility Sub Index -0.21
Calving Interval (days) 0.20 -1.459 -0.29
Survival (%) 0.07 1.117 0.08
Calving Sub Index -1.74
Gestation Length (days) 1.89 -0.919 -1.74
Beef Sub Index -2.06
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 5.75 -0.432 -2.48
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 9.48

* Based on an €80/tonne carbon price