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 11.33
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -12.55 -0.375 4.70
Prot (kg) -10.45 -0.441 4.61
Fertility Sub Index 5.98
Calving Interval (days) -4.59 -1.459 6.70
Survival (%) -0.64 1.117 -0.72
Calving Sub Index -0.73
Gestation Length (days) 0.79 -0.919 -0.73
Beef Sub Index 3.00
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) -4.14 -0.432 1.79
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 21.58

* Based on an €80/tonne carbon price