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 4.97
Milk (kg) -102.00 -0.014 1.43
Fat (kg) -3.01 -0.375 1.13
Prot (kg) -5.48 -0.441 2.42
Fertility Sub Index 1.27
Calving Interval (days) -0.74 -1.459 1.08
Survival (%) 0.17 1.117 0.19
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.25
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.36 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 7.92

* Based on an €80/tonne carbon price