Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 8.82
Milk (kg) -196.00 -0.014 2.74
Fat (kg) -7.88 -0.375 2.95
Prot (kg) -7.08 -0.441 3.12
Fertility Sub Index 6.40
Calving Interval (days) -3.60 -1.459 5.25
Survival (%) 1.03 1.117 1.15
Calving Sub Index -1.04
Gestation Length (days) 1.13 -0.919 -1.04
Beef Sub Index -2.50
Carcass Weight (kg) 2.70 -0.528 -1.42
Age of Slaughter (days) 2.50 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 15.20

* Based on an €80/tonne carbon price