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 8.64
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -8.38 -0.375 3.14
Prot (kg) -6.91 -0.441 3.05
Fertility Sub Index 7.02
Calving Interval (days) -4.96 -1.459 7.24
Survival (%) -0.19 1.117 -0.21
Calving Sub Index 1.39
Gestation Length (days) -1.51 -0.919 1.39
Beef Sub Index -0.49
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) 0.88 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 17.92

* Based on an €80/tonne carbon price