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 11.09
Milk (kg) -220.00 -0.014 3.08
Fat (kg) -10.33 -0.375 3.87
Prot (kg) -9.38 -0.441 4.14
Fertility Sub Index 0.13
Calving Interval (days) 0.38 -1.459 -0.55
Survival (%) 0.61 1.117 0.68
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.65
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 0.94 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 21.13

* Based on an €80/tonne carbon price