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 9.00
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -6.87 -0.375 2.57
Prot (kg) -10.48 -0.441 4.63
Fertility Sub Index -3.35
Calving Interval (days) 1.75 -1.459 -2.55
Survival (%) -0.71 1.117 -0.79
Calving Sub Index 0.53
Gestation Length (days) -0.58 -0.919 0.53
Beef Sub Index 0.50
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 3.25 -0.432 -1.40
Maintenance Sub Index Maint. Sub Index 0.86
Live WT (kg) -2.80 -0.307 0.86
Total Carbon Sub Index 7.54

* Based on an €80/tonne carbon price