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 8.23
Milk (kg) -9.00 -0.014 0.13
Fat (kg) -10.47 -0.375 3.92
Prot (kg) -9.48 -0.441 4.18
Fertility Sub Index 4.01
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) -0.20 1.117 -0.22
Calving Sub Index -0.03
Gestation Length (days) 0.03 -0.919 -0.03
Beef Sub Index 2.05
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) -2.56 -0.432 1.11
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 17.30

* Based on an €80/tonne carbon price