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 11.40
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -16.19 -0.375 6.06
Prot (kg) -7.93 -0.441 3.50
Fertility Sub Index 4.15
Calving Interval (days) -2.42 -1.459 3.53
Survival (%) 0.55 1.117 0.61
Calving Sub Index -0.10
Gestation Length (days) 0.11 -0.919 -0.10
Beef Sub Index 2.59
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -2.57 -0.432 1.11
Maintenance Sub Index Maint. Sub Index 11.43
Live WT (kg) -37.30 -0.307 11.43
Total Carbon Sub Index 29.47

* Based on an €80/tonne carbon price