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 12.22
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -12.72 -0.375 4.76
Prot (kg) -12.33 -0.441 5.44
Fertility Sub Index -11.97
Calving Interval (days) 6.21 -1.459 -9.06
Survival (%) -2.60 1.117 -2.90
Calving Sub Index 0.53
Gestation Length (days) -0.58 -0.919 0.53
Beef Sub Index 0.11
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.56 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index 0.74
Live WT (kg) -2.40 -0.307 0.74
Total Carbon Sub Index 1.64

* Based on an €80/tonne carbon price