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 8.13
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -22.28 -0.375 8.35
Prot (kg) 1.69 -0.441 -0.75
Fertility Sub Index -4.19
Calving Interval (days) 2.21 -1.459 -3.22
Survival (%) -0.86 1.117 -0.96
Calving Sub Index -0.38
Gestation Length (days) 0.41 -0.919 -0.38
Beef Sub Index 1.13
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) 3.87 -0.432 -1.67
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index 6.01

* Based on an €80/tonne carbon price