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 13.22
Milk (kg) -234.00 -0.014 3.28
Fat (kg) -16.30 -0.375 6.11
Prot (kg) -8.69 -0.441 3.84
Fertility Sub Index 1.97
Calving Interval (days) -1.02 -1.459 1.49
Survival (%) 0.43 1.117 0.48
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.99
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 4.42 -0.432 -1.91
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 25.54

* Based on an €80/tonne carbon price