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 21.13
Milk (kg) -503.00 -0.014 7.04
Fat (kg) -14.03 -0.375 5.26
Prot (kg) -20.01 -0.441 8.83
Fertility Sub Index -0.53
Calving Interval (days) 0.73 -1.459 -1.07
Survival (%) 0.48 1.117 0.54
Calving Sub Index 1.00
Gestation Length (days) -1.09 -0.919 1.00
Beef Sub Index 2.99
Carcass Weight (kg) -12.70 -0.528 6.70
Age of Slaughter (days) 8.59 -0.432 -3.71
Maintenance Sub Index Maint. Sub Index 12.97
Live WT (kg) -42.30 -0.307 12.97
Total Carbon Sub Index 37.56

* Based on an €80/tonne carbon price