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 7.13
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -9.21 -0.375 3.45
Prot (kg) -5.93 -0.441 2.62
Fertility Sub Index -8.86
Calving Interval (days) 4.06 -1.459 -5.92
Survival (%) -2.63 1.117 -2.94
Calving Sub Index 0.12
Gestation Length (days) -0.13 -0.919 0.12
Beef Sub Index -0.66
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 2.75 -0.432 -1.19
Maintenance Sub Index Maint. Sub Index -1.44
Live WT (kg) 4.70 -0.307 -1.44
Total Carbon Sub Index -3.72

* Based on an €80/tonne carbon price